大学英语第二章习题
大学英语读写1 U2练习题
Unit 2 FriendshipI. VocabularyPart OneDirections: Match the words in column A with definitions in column B.1. postpone a. look closely or carefully2. destination b. take out things from a suitcase, etc.3. absolutely c. delay, put off4. peer d. material, matter5. stuff e. difficult; strong6. unpack f. have difficulty in breathing, swallowing or speaking7. choke g. definitely and completely8. tough h. the place to which one is going or directedPart TwoDirections: Choose the proper words and expressions and put the numbers in the blanks.1. awful2. reunion3. highlight4. might just as well5. keep in touch6. Every now and then7. let down8. heading for9. out of shape 10. on your mind 11. in his mind 12. come up13. not so much of a 14. not so much as1. The pilgrims were ________ the Canterbury Church to pay homage to the martyrs.2. If you leave your coat hanging on that nail it will get .3. I failed to with many of my old friends after I joined the army.4. It would be best to run away now, but she couldn’t Jamie: he needed help.5. The lighting of the Christmas tree was the of the evening.6. he went to the old woman whose husband was diseased, and took care of her lifeuntil her death.7. He left me abruptly, saying a word to thank me for the help I gave him all theseyears.8. Y esterday I had a(n) time at the office ―everything seemed to have gone wrong.9. What happened to you? It seems there’s something , or you wouldn’t be so restless.10. He is help as I thought he would be. We had to work all the way to the end withouthis assistance.Part ThreeDirections: Complete each of the following sentences with an appropriate form of the word given in the bracket.1.No doubt there was a slight in the classroom after the teacher came in. (uneasy)2.The witness’s account closely to the policema n’s observations. (correspondence)3.During these long summer visits he himself in the traditions and customs of theplace. (soak)4.That man is for this job. He has been assigned to other work. (available)5.The traveler to his guide book for details of his journey. (reference)6.The final cost was considerably higher than the builder’s original . (estimate)7.Malic ious gossip could his chances of success. (injury)8.The story was so that I was completely lost in it. (touch)9.There was no room in the hall: it was already full. (practical)10.His knowledge has left a deep impression on us. (extent)Part FourDirections: Choose the ONE that best completes the sentence from the four choices given under each sentence.1. If you do not know this word, in your dictionary.A. refer to itB. look it upC. consult itD. insult it2. Y ou ought to postpone here until next week, since the audience are so enthusiastic.A. leaveB. leftC. to leaveD. leaving3. The writer’s choice of words is simply a matter of style.A. personalB. privateC. personnelD. individual4. He took great to please his boss.A. painB. effortC. painsD. efforts5. These are the basic rules of grammar, which you should learn .A. by memoryB. by heartC. in mindD. for good6. I rely on you to remind me Jack for the books he bought me.A. of payingB. of being paidC. to payD. to be paid7. I didn’t mean anything, but those apples looked so good I couldn’t resist one.A. to eat…tryingB. to eat…to tryC. eating…to tryD. eating…trying8. Life is a candle to burn ever brighter.A. being meantB. meaningC. to meanD. meant9. Since you have come so far with your experiment, you carry it through to the end.A. mayB. mightC. may wellD. may as well10. The of his trip to Beijing was the visit to the Forbidden City.A. lightest partB. highest partC. highlightD. most highlight11. Although the family trusted her, she them down badly.A. putB. setC. letD. took12. They have given us a lot of help in up with what’s going on around us.A. puttingB. catchingC. takingD. keeping13. I doubt whether he can his efforts much longer as he looks very tired.A. hold upB. hold onC. keep onD. keep up14. At the head of the valley, the scouts turned left and headed the summit.A. toB. forC. onD. into15. When he writes, he always keeps a dictionary .A. on handsB. by handC. at handD. in hand16. Jack almost fell off the cliff, but managed to hang until help came.A. onB. aboutC. upD. back17. The letter was delivered hand early this morning.A. onB. inC. toD. by18. In his speech he to the great help the club received from supporters.A. referredB. mentionedC. commentedD. remarked19. Before he started work, I asked the builder to give me an of the cost of repairing theroof.A. assessmentB. estimateC. announcementD. evaluation20. I know that he is not much of a basketball player, but when it to math, he is the bestin the class.A. refersB. goesC. comesD. concernsII. StructurePart OneDirections: Choose the ONE that best completes the sentence from the four choices marked A, B, C and D.1. Nothing could live air and water.A. butB. but forC. exceptD. except for2. I’d just as soon rudely to her.A. that you won’t speakB. your not speakingC. you not speakD. you didn’t speak3. To me, music is a way of life just an interest.A. more…thanB. as…asC. not….asD. less…than4. There is no reason they should limit how much vitamin you take they can limit how much water you can drink.A. much more thanB. no more thanC. no less thanD. any more than5. It was urged that no smoking in the library.A. had been allowedB. be allowedC. was allowedD. should have been allowed6. Peter has just arrived, but he talks as if he everything here.A. will knowB. has knownC. knewD. know7. In no circumstances can more work be got out of a machine than .A. is put into itB. to put it into itC. to be put into itD. that puts into it8. to him if he went out in that weather?A. What was he afraid that would it happenB. What he is afraid that would happenC. What he was afraid that would happenD. What was he afraid would happen9. No one wants to stay here, ?A. do theyB. does itC. don’t theyD. doesn’t he10. There is a candle on the table and a man is lying on the floor.A. lighted…drunkenB. lighted…drunkC. lit…drunkenD. lit…drunk11. forever are the days when Shanghai was the “paradise of the adventurers”.A. To goB. Having goneC. WentD. Gone12. I have considered seeing Jane tomorrow, but I ha ven’t considered my hand.A. having offeredB. to offerC. how to offerD. offered13. A man escaped from the prison last night. It was a long time the guards discoveredwhat had happened.A. beforeB. sinceC. untilD. when14. I hope that the little I’ve been able to do has been of some use.A. whichB. whatC. thisD. that15. discussed, the problem remains unsolved.A. Not havingB. Not having beenC. Having notD. Having not been16. The young teacher complain about the poor working conditions in the school. Hedonated some money to improve them.A. didn’t more than justB. did much than justC. did more than justD. did much more to17. It was only after some progress in the use and development of electric current thatmen began to realize the importance and possibilities of magnetism.A. was madeB. has been madeC. would have been madeD. had been made18. We often advise him not to drink more wine is good for his health.A. asB. thanC. thatD. but19. It seems that the rain won’t stop in a few hours. We watch a DVD movie at homebefore we go out.A. might wellB. might justC. might just as wellD. might as well as20. I’m amazed that she married him so soon. She him very well.A. mustn’t have knownB. can’t have got to knowC. didn’t have to knowD. needn’t have knownPart TwoDirections: Identify the ONE that is not correct and write down the correct answer.1. The price of gold on the world market has been rising high each year.A B C D ( )2. I took offence because he was the first person to talk to me in the way how a boss orders hisA B C Demployee about. ( )3. He has reached a point which change is needed.A B C D ( )4. Great as is the energy of the sun, we have not found an effective way to make use of it inA B C Dindustry. ( )5. Faced with the possibility of a water shortage during the summer months, the city has asked itsA B Ccitizens to limit its use of water.D ( )6. I don’t see why I should look forward to sitting in an armchair and do nothing just because I amA B C Dover sixty. ( )7. They prefer to discipline themselves rather than are disciplined by others.A B C D ( )8. They had so fierce dogs that no one dare go near their house.A B C D ( )9. Why didn’t you tell me you were going in my direction? I would be able to give you a lift.A B C D( )10. I couldn’t see the point to let him have his own way.A B C D ( )III. ClozePart OneDirections: Fill in the gaps with any words you think fit.There are two types of people in the world. Although they have equal degrees of health and wealth and the other comforts of life, one becomes happy, the 1 becomes miserable. This arises 2 the different ways in which they consider things, persons and events, and the resulting effects 3 their minds. The people who are 4 be happy fix their attention on the conveniences of things, the pleasant parts of conversation, the well 5 dishes, the goodness of the wines, the fine weather. They enjoy all the cheerful things. Those who are to be unhappy think and 6 only of the contrary things. 7 they are constantly discontented. By their remarks, they sour the pleasures of society, offend many people, and make themselves 8 everywhere. If this turn of mind is founded in nature, such unhappy persons would be the 9 to be pitied. The tendency to criticize and be disgusted is perhaps taken up originally by imitation. It grows into a habit, unknown to its possessors. The habit may be strong, but it may be cured when those who have it are convinced 10 its bad effects on their interests and tastes.Part TwoDirections: Choose the ONE that best fits into the passage.1 a human being you have the choice of different basic attitudes2 life. Y ou may approach life with the philosophy of the vegetable,3 which case your life will consist4 being born, eating, drinking, sleeping, mating, growing old, and5 .The second basic attitude is to look at life as if it 6 a business. 7 great many so-called successful men and women believe that life is a business, and they arrange their conduct and behavior 8 . If you believe that life is a business your first 9 of life, naturally, is “what do I get out of it?” and your fir st reaction 10 any new experience is “how much is this worth to me?”. In a word 11 this attitude, happiness becomes a matter of successful competition.The great 12 of human beings today 13 at life as if it were a business. Their basi cphilosophy is one of competition and efficiency.The third attitude toward life is the 14 of the artist. Here the basic philosophy is “what can I put into it?”, and the basic relation of individual to his fellowmen is 15 of cooperation and common sense. This 16 of view has been proved by history; for history remembers best those who have 17 most richly to the interests of their fellowmen. The more we investigate and the more we learn about living 18 we become convinced that the 19 attitude is the only one which is consistent 20 human happiness.1. A. As B. Like C. To D. For2. A. of B. for C. towards D. about3. A. at B. under C. in D. on4. A. of B. in C. that D. which5. A. die B. died C. dying D. dies6. A. was B. is C. will be D. were7. A. V ery B. Too C. / D. A8. A. accordingly B. respectively C. excessively D. evidently9. A. question B. reaction C. attitude D. way10. A. to B. of C. about D. towards11. A. relied on B. depended on C. based on D. considering12. A. many B. major C. majority D. crowd13. A. look B. take C. see D. think14. A. point B. means C. approach D. view15. A. a B. one C. kind D. sort16. A. attitude B. philosophy C. way of life D. point17. A. done B. devoted C. succeeded D. developed18. A. and B. the more C. so that D. because19. A. vegetable B. second C. artistic D. best20. A. with B. to C. as to D. ofIV. Reading ComprehensionDirections: Choose the ONE best answer from the four choices marked A, B, C and D.Passage oneSince we are social beings, the quality of our lives depends in large measure on our interpersonal relationships. One strength of the human conditions is our tendency to give and receive support from one another under stressful circumstances. Social support consists of the exchange of resources among people based on their interpersonal ties. Those of us with strong support systems appear better able to cope with life changes and daily hassles. People with strong social ties live longer and have better health than those without such ties. Studies over a range of illnesses, from depression to heart disease, reveal that the presence of social support helps people fend off illness, and the absence of such support makes poor health likely.Social support cushions stress in a number of ways. First, friends, relatives, and co-workers may let us know that they value us. Our self-respect is strengthened when we feel accepted by others despite our faults and difficulties. Second, other people often provide us with informational support. They help us to define and understand our problems and find solutions to them. Third, wetypically find social companionship supportive. Engaging in leisure-time activities with others helps us to meet our social needs while at the same time distracting us from our worries and troubles. Finally, other people may give us instrumental support ―financial aid, material resources and needed services —that reduces stress by helping us resolve and cope with our problems.1. Interpersonal relationships are important because .A.they can cure a range of illnesses such as heart disease, etc.B.they help people to cope with life in the information eraC.they awaken people’s desire to exchange resourcesD.they are indispensable to people’s social well-being2. Research shows that people’s physical and mental health .A.depends on their ability to deal with daily worries and troublesB.relies on the social welfare systems which support themC.has much to do with the amount of support they get from othersD.is closely related to their strength for coping with major changes in their lives3. Which of the fol lowing is closest in meaning to the word “cushions” (Para. 2)?ys the foundation forB.lessens the effect ofC.adds up toD.does away with4. Helping a sick neighbor with some repair work is an example of .rmational supportB.social companionshipC.instrumental supportD.the strengthening of self-respect5. Social companionship is benefic ial in that .A.it helps strengthen our ties with relativesB.it makes our leisure-time activities more enjoyableC.it enables us to eliminate our faults and mistakesD.it draws our attention away from our worries and troublePassage T woBy the mid-nineteenth century, the term “icebox” had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ic e trade grew with the growth of cities. Ice was used in hotels and hospitals, and by some forward-looking city dealers in fresh meat, fresh fish, and butter. After the Civil War (1861 -1865), as ice was used to refrigerate freight cars, it also came into household use. Even before 1880, half the ice sold in New Y ork, Philadelphia, and Baltimore, and one-third of that sold in Boston and Chicago, went to families for their own use. This had become possible because a new household convenience, the icebox, a precursor (前身) of the modern refrigerator, had been invented.Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was underdeveloped. The commonsense notion that the best icebox was one that prevented the ice from melting was of course mistaken, for it was the melting of the ice that performed the cooling.Nevertheless, early efforts to economize ice included wrapping the ice in blankets, which kept the ice from doing its job. Not until near the end of the nineteenth century did inventors achieve the delicate balance of insulation and circulation needed for an efficient icebox.But as early as 1803, a Maryland farmer, Thomas Moore, had been on the right track. He owned a farm about twenty miles outside the city of Washington, for which the village of Georgetown was the market center. When he used an icebox of his own design to transport his butter to market, he found that customers would pass up the rapidly melting stuff of his competitors to pay a higher price for his butter, still fresh and hard in neat, one-pound bricks. One advantage of his icebox, Moore explained, was that farmers would no longer have to travel to market at night in order to keep their product cool.6. What does the passage mainly discuss?A.The influence of ice on the dietB.The development of refrigerationC.The transportation of goods to marketD.Sources of ice in the nineteenth century7. The phrase “forwar d-looking” in the first paragraph is closest in meaning to _________.A.progressiveB.popularC.thriftyD.well-established8. According to the passage, which of the following was an obstacle to the development of the icebox?petition among the owners of refrigerated freight carsB.The lack of a network for the distribution of iceC.The use of inefficient insulationD.Inadequate understanding of physics9. According to the information in the second paragraph, an ideal icebox would .pletely prevent ice from meltingB.stop air from circulatingC.allow ice to melt slowlye blankets to conserve ice10. The author describes Thomas Moore as having been “on the right track”, to indicate that_________.A.the road to the market passed close to Moore’s farmB.Moore was an honest merchantC.Moore was a prosperous farmerD.Moore’s design was fairly successfulPassage ThreeWhether the eyes are “the windows of the soul” is debatable; that they are intensely important in interpersonal communication is a fact. During the first tw o months of a baby’s life, the stimulus that produces a smile is a pair of eyes. The eyes need not be real: a mask with two dots will produce a smile. Significantly, a real human face with eyes covered will not motivate a smile, nor will the sight of only one eye when the face is presented in profile. This attraction to eyes asopposed to the nose or mouth continues as the baby matures. In one study, when American four-year-olds were asked to draw people, 75 percent of them drew people with mouths, but 99 percent of them drew people with eyes. In Japan, however, where babies are carried on their mother’s back, infants do not acquire as much attachment to eyes as they do in other cultures. As a result, Japanese adults make little use of the face either to encode (编码) or decode meaning. In fact, Argyle reveals that the “proper place to focus one’s gaze during a conversation in Japan is on the neck of one’s conversation partner. ”The role of eye contact in a conversational exchange between two Americans is well defined: speakers make contact with the eyes of their listener for about one second, then glance away and they talk; in a few moments they re-establish eye contact with the listener or reassure themselves that their audience is still attentive, then shift their gaze away once more. Listeners, meanwhile, keep their eyes on the face of the speaker, allowing themselves to glance away only briefly. It is important that they are looking at the speaker at the precise moment when the speaker assumes that they are disinterested and either will pause until eye contact is resumed or will terminate the conversation. Just how critical this eye maneuvering is to the maintenance of conversational flow becomes evident when two speakers are wearing dark glasses; there may be a sort of traffic jam of words caused by interruption, false starts, and unpredictable pauses.11. The author is convinced that the eyes are _________.A.something the value of which is largely a matter of long debateB.something through which one can s ee a person’s inner worldC.of considerable significance in making conversations interestingD.of extreme importance in expressing feelings and exchanging ideas12. Babies will not be stimulated to smile by a person _________.A.whose face is seen from the sideB.whose face is covered with a maskC.whose front view is fully perceivedD.whose face is free of any covering13. According to the passage, the Japanese fix their gaze on their conversation partners’ neckbecause _________.A.they don’t like to keep their eyes on the face of the speakerB.they need not communicate through eye contactC.they didn’t have much opportunity to communicate through eye contact in babyhoodD.they don’t think it polite lo have eye contact14. According to the passage, a conversation between two Americans may break down due to________.A.improperly-timed ceasing of eye contactB.eye contact of more than one secondC.one temporarily glancing away from the otherD.constant adjustment of eye contact15. To keep a conversation flowing smoothly, it is better for the participantsA.not to make any interruptionsB.not to glance away from each otherC.not to wear dark spectaclesD.not to make unpredictable pausesPassage FourIs language, like food, a basic human need without which a child at a critical period of life can be starved and damaged? Judging from the experiment of Frederick II in the thirteenth century, it may be so. Hoping to discover what language a child would speak if he heard no mother tongue, he told the nurses to keep silent.All the infants died before the first year. But clearly there was more than lack of language here. What was missing was good mothering. Without good mothering, in the first year of life especially, the capacity to survive is seriously affected.Today no such severe lack exists as described by Frederick. However, some children are still backward in speaking. Most often the reason for this is that the mother is insensitive to the signals of the infant, whose brain is programmed to learn language rapidly. If these sensitive periods are neglected, the ideal time for learning skills passes and they might never be taught so easily again.A bird learns to sing and to fly rapidly at the right time, but the process is slow and hard once the critical stage has passed.Experts suggest that speech stages are reached in a fixed sequence and at a constant age, but there are cases where speech has started late in a child who eventually turns out to be of high IQ. At twelve weeks a baby smiles and makes vowel-like sounds; at twelve months he can speak simple words and understand simple commands; at eighteen months he has a vocabulary of three to fifty words. At three he knows about 1,000 words which he can put into sentences, and at four his language differs from that of his parents in style rather than grammar.Recent evidence suggests that an infant is born with the capacity to speak. What is special about man’s brain compared with that of the monkey is the complex system which enables a child to connect the sight and feel of, say, a toy-bear with the sound pattern “toy-bear”. And even more incredible is the young brain’s ability to pick out an order in language from the mixture of sound around him to analyze, to combine and recombine the parts of a language in new ways.But speech has to be induced (诱导) and this depends on interaction between the mother and the child, where the mother recognizes the signals in the child’s babbling (咿呀学语), grasping and smiling, and responds to them. Insensitivity of the mother to these signals dulls the interaction bec ause the child gets discouraged and sends out only the obvious signals. Sensitivity to the child’s non-verbal signals is essential to the growth and development of language.16. The purpose of Frederick II’s experiment was _________.A.to prove that children are born with the ability to speakB.to discover what language a child would speak without hearing any human speakC.to find out what role careful nursing would play in teaching a child to speakD.to prove that a child could be damaged without learning a language17. The reason some children are backward in speaking is most probably that _____.A.they are incapable of learning language rapidlyB.they are exposed to too much language at onceC.their mothers respond inadequately to their attempts to speakD.their mothers are not intelligent enough to help them18. What is exceptionally remarkable about a child is that ______.A.he is born with the capacity to speakB.he has a brain more complex than an animal’sC.he can produce his own sentencesD.he owes his speech ability to good nursing19. Which of the following can NOT be inferred from the passage?A.The faculty of speech is inborn in man.B.Encouragement is anything but essential to a child in language learning.C.The child’s brain is highly selective.D.Most children learn their language in definite stages.20. If a child starts to speak later than others, he will in future.A.have a high IQB.be less intelligentC.be insensitive to verbal signalsD.not necessarily be backwardV. T ranslationPart One昨天我们在上海举办了一次老同学聚会。
大学英语精读 第二单元课后习题
__
Turn to page 33
1) experience, inexperience, experienced, inexperienced A). Everyone learns best from his ownexperience ___________.
B). You’re bound to make a few mistake through
2) doubt, doubtful, doubtfully, undoubtedly doubtful look on his face. A). He had a _____________ doubts about the wisdom of B). I have serious ____________
1. Though she is nearly 65, Mary doesn’t want to retire _____ . device 2. Tom invented a _______ to make the door contac shut by itself. t 3. I’ll ________ you by telephone when I hear conquere anything new. d 4. The boy __________ his fear of the dark and walked alone in the woods at gave up night. nearby 5. He _________ his seat on the bus to and old woman standing ________.
inexperience ___________. experiencing so many defeats, I found C). After _______________ the final victory doubly sweet. inexperienced D). She is young and __________________, but she is good at learning. experienced in E). We need someone more ________________ teaching beginners. experienced F). That night she __________________ hunger for the first time.
Unit2 课后习题及答案 董亚芬 大学英语2(精读)
3. Fill in each of the blanks in the following sentences with a word or phrase. Change the forms whee necessary.
hesitate threaten owe...to judgment go out of her way
in the morning. ③ What other things were invented in ancient China ___b_e_s_id_e_s___ the compass
(指南针）？
2）accept /receive ① So far the gardener __h_a_s__re_c_e_i_v_ed___ no instructions as to what to do next. ② Mrs. Brown asked me to go to her daughter's concert and I __a_c_ce_p_t_e_d_ her
hesitate threaten owe...to judgment go out of her way
humble leave...behind origin be...appointed in existence
act on criticize
④ Once he realized that it is his mistake, Jim never ___h_es_i_ta_t_e_d___ to admit and correct it.
Fill in the blanks with the adjectives given above. ① The two brother are only _a_l_ik_e___ in appearance. ② Mother found Mike still _a_s_le_e_p_ when she came into his room at eight in the morning. ③ In spite of the hard winter, the roses in our garden are still ___a_l_iv_e___. ④ I got a splitting headache( 剧烈的头疼). It kept me __a_w_a_k_e__ all night. ⑤ Mrs. Stone was really quite __a_l_o_n_e__ in the world except an aged aunt in Philadelphia. ⑥ The whole nation was ___as_t_ir____ when news came that China's Shenzhou-6 aircraft had
[汇总]大学英语2考试练习题(附答案)unit2.doc
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L Complete the following sentences1.It was early December 2003 when I was ______ the question.（被问到/面对）2.His mother ___ h im __ the social no-no.（斥责）3.1feel nothing more than __ to attain the material things so many other people have. （转瞬即逝的念头）4.___ Fve been illness-free,_I feel vigorous an spirited・（不彳旦…而且.. ）5.In a society that spends so much emotional energy _____ p ossessions, I feel out of place.（追求）6.Shor什y after her visit, our relationship __ .（急转〕直下）7.__ relationships, stuff just doesn't mean that much to me.（与…相比）8.In fact, ____ m aterial goods feels quite natural to me.（不注重）9.Instead of feeling out of place economically, I begin to feel __ .（真正的归属感）10.My minimal computer needs _____ a t the library.（得到满足）11.Write out the correct words according to their meaningsgiven for a good cause2.n. a state of uncertainty about what sth. means, etc.3.n. a strong desire to know about sth.4.vt. say that （sth.） is not true; refuse to admit or accept5.a. very important, necessary, or essential6.a. richer having enough money to live well7.a. sudden and unexpected, often in an unpleasant way8.n. a result of sth. That has happened9.n. an advertisement on TV or radio10..n. person considered separately from their societyIII. Translate the following sentences into Chinese.1.1was standing just outside the doorway of a Wal-Mart, offering a "thank yoiT and asmile to each person who dropped a donation into my red kettle.2.1have more than some people, but not as much as others.3.Every time I fill out my 1040 form, I fall into one of the lowest income brackets.4.In spite of what I don^t have, I don't feel poor.5.1love the "can do" attitude that follows.6.When I write a beautiful line of poetry, or fabricate a joke that tickles someone, Ifeel rich inside・7.Fm continually surprised at the insights that come through my writing process.8.At that time, I lived in a basement efficiency with a few pieces of dated furniture.9.The seemingly abrupt change in her priorities was jolting.10.1think most people feel the same way一-except when there are social consequencesto not having particular items.11.It may be true that everybody wants a high-end TV. After all, nobody wants to be a nobody.12.There are many people throughout the world who would consider my lifestyle to be affluent.13.People stop to share their personal stories of how much it meant to be helped whenthey were going through a rough time・14.People helping people is something I feel deeply connected to.15.As Pve examined what it means to be poor, it has become clear to me what I am mostthankful for: both my tangible and my intangible good fortune.IV. Reading comprehensionPassage1There are a lot of online dating sites where you can meet a variety of people・ In deciding who you would like to date, it is important that you establish a connection and a comfort level before meeting them in person. This process should be gradual.One of the first things you could find oul about a potential date are their likes and dislikes. Sometimes knowing those can weed someone out fast before you go on to the next step of meeting them in person. For example、if you have children and they dislike children, you would probably be wasting your time in pursuing them・ What if they are allergic to cats? Would you be willing to get rid of your cat so you could date them? Finding out likes and dislikes can mean more than what is on the surface・You may find people online who are playing games ・ Some are very nice and genuine people .If you'd really like to get in touch with the right person, analyze each prospectK "J能的对象)profile first. Then 、ask relevant queslions that will show them you were interested enough to actually read their profile and ere interested in getting to know (hem better・ If you get responses from those you arc interested in, that definitely is a good thing. But, if not、you have to think why. Remember, the people you meet may be single, but they all hnve a different purpose as to what they are seeking on a dating site・Never be aggressive with your questions early on. Thai can scare many prospects away. Start with the basics like "what's your favorite sport, movie" or other interests. Never ask personal questions about finances or other personal things and one thing that especially drives women away is asking sexual questions・Depending on how you have established the relationship online, you may decide it's time to meet in person. Getting to know (he olher person should continue to be gradual process just like it was online・You should take your time and not rush into a deeper relationship, even if things seem right.Too many people meet someone online、then meet them in person and arc overly anxious to get into a relationship. This can backfire （适得英反）in many ways・ The relationshiD may or may not move forward from a friendship into a meaningful relationship. You need to get a good feel of the other person and find out specifically what they are seeking and if it is compatible with what you are seeking. You may be wanting a serious relationship while someone else may simply want someone to hang out with. You have to respect what they arc seeking even 讦it doesn't line up with what you “re seeking・ You have to be realistic about not only what you want, but what other people are wanting as well. Being aware of this can help you weed out those who you aren't compatible with.Save yourself some heartache and proceed slowly and lei getting io know someone be a gradual process. You just may have found your perfect match!16.The main idea of this passage is thatA. you need to know to ask right questions when dating onlineB・ you need to go slow about dating onlineC・ you need to find out （he likes and dislikes of a potential dateD. you need to rush into a relationship so that you don't scare a prospect away17.Children and cats arc mentioned in the passage toA. illustrate the imporUmce of children and cats in family lifeB・ show that they are no good for a relationshipC.show that it is important to find out what people like or dislike before starting a relationshipD・ prove that likes and dislikes are only about things on the surface・18.People on a dating siteA. are always nice and genuineB・ are all singleC・ don，t bcnher with profilesD.may have different purposes as to what they arc seeking19.The “uthoFs attitude towards online dating can be described as A. doubtful B・ disapproving C. critical D・ cautiously optimistic20・ Sometimes knowing those can weed someone out fast before you go on to the next step of meeting them in person. Here "weed ouL means A・ eliminate B・ consider C. favor D. selectPassage TwoThere are so many huge benefits running your business on the web that I'm amazed by the number of people who still risk so much by setting up physical stores or offices・There's a new business in the city where I live which is selling a niche（非大众化的）product via a shop in the main shopping area・ I look at the costs involved——stock, premises, advertising, electricity, gas■一and wonder what on earth made her go down this route・ If she had set up her business online first without all those dreadful upfront costs, she'd have had a good idea whether it was even worth starting her shop・There are five great reasons for starting an easy ecommerce website・ First of all, there is the low sUnt-uD capital （启动资金）.You can run your business from your kitchen table for the cost of a laptop and a broadband connection. If it doesrTt work out, or if you choose the wrong niche, or if you change your mind、or if something else comes up, you can walk away with only very minimallosses. However、if you come up with the best business idea since sliced bread, you can expand and buy a yacht(游艇)to work from if you want to.Second, online business offers you convenient hours and flexible location. You can be open 24/7 because an order can be submitted at any time of the day OF night. You can literally make money online while you sleep・ In terms of location, you can Sian (he business from your kitchen (able or your study. If you decide to move house、your business moves with you. If you move abroad, you can still run your business and maybe even expand it into a new iruuket. For example, my brother started his online business in the UK. Then he lived in Spain for a few years running it there, and will shortly move it back to the UK again. He's moved、but the business stayed in the same place all the (ime——on the web・Third, online business has great growth potential (增长潜力).Open a shop in a village and your customers will be villagers and passers・by・ Open a shop in a city centre and you'll get much more business and meantime increase your costs. Start an online venture and potentially the whole woiid becomes your customer base・ Of course it's not quite as simple as that —- people have to want your product and be able to find your website, but if you get it right, like eBay and Amazon have, the sky is your limit.In addition, the web is a very effective marketing tool. If you come up with a great idea, a new angle or a great way of selling, soon the online community will discover it and pass it round. Think of the way jokes or funny YouTube videos get passed around between friends and colleagues・ It"s (he equivalciH (等于)of advertising to millions of people withoiH (he staff or (he costs. What a great (ool for markeling (he web is!Last bu( not least, online business has the advantage of Tow costs. Everything is cheap on the web, if not free.Given all the advantages、there's a tendency to believe that all ecommerce websites will lead to instant online riches・ That is not the case. For the majority of new online businesses、itTl take 6 months to a year to get established in the search engines, listed in direclories and generate enough content to be found on the net. So get ready for slow and steady growth・ Remember you're building a business here, and you should get the foundations right. Research your niche、develop a con tent-rich website and wait for your customers to come to you.21. The cost of running a business in the physical world does NOT necessarily includeA・ premises B・ advertising C・ electricity and gas D. broadband connection22・ Your online business can expand and you can make a lot of money to buy a yacht if youA. come up with a great business ideaB. work 24/7C. choose the best location D・ can get established in the search engines23.Online business's great growth potential mainly lies in itsA. flexible working hoursB. unlimited customer baseC・ permanent presence online D. low cost24.The web itself helps online ventures in (hatA・ it is always there B・ it has YouTube on it25.For the majority of new online businesses, it'll take to get established in the search engines, listed in directories and generate enough content to be found on the net.A. next to no time B・ a few days C・ at least six months D. infinitely longV・ Writing: The Value I Cherish the Mostplete the following sentences1.It was early December 2003 when I was confronted with the question.（被问到/面对）2.His mother scolded him for the social no-no.（斥责）3.1feel nothing more than a passing whim to attain the material things so many other people have.（转瞬即逝的念头）4.IFs not just that I，ve been illness-free, it's that I feel vigorous an spirited.（不但…而且.... ）5.In a society that spends so much emotional energy on （he pursuit of possessions, I feel out of place.（追求）6.Shortly after her visit, our relationship went south ・（急转直下）7・ In contrast to relationships, stuff just doesn't mean that much to me.（与…木冃比）8.In fact, not being focused on material goods feels quite natural to me.（彳P主重）9.Instead of feeling out of place economically, 1 begin to feel a genuine sense of belonging ・（真正的归属感）1（）. My minimal computer needs can be met at the library•（得至lj满足）II.Write out the correct words according to their meanings1.n. money or goods given for a good cause donation2.n. a state of uncertainty about what sth. means, etc, confusion3.n. a strong desire to know about sth, curiosity4.vt. say that （sth.） is not true; refuse to admit or accept deny5.a. very important, necessary, or essential vital6.a. rich,or having enough money to live well well off7.a. sudden and unexpected, often in an unpleasant way abrupt8.n. a result of sth・[hat has happened consequenee9.n. an advertisement on TV or radio commercial1（）..n. person considered separately from their society individualIII.Translate the following sentences into Chinese・1.1was standing just outside the doorway of a Wal-Mart, offering a "thank you" and a sniile toeach person who dropped a donation into my red kettle・当吋我就站在沃尔吗商场入口门外，对每•位向我的红花里投入描款的人都报以•声“谢谢”和一个微笑。
大学英语2习题2.doc
Unit 2I.Write the English words or expressions according to the following deflnitions.1.keep for a special use; book2.of a particular place3.far away in space or time4.likely (to do sth.)5.being true and faithful (to)6.improve by care; develop7.be worthy of8.amount of money which may be taken off the full price9.mix harmoniously10.keep away fromII.Fill in the gaps with the words and expressions from the following :blend in; deserve; steer clear of; cultivate; local; loyalty;remote; reserve; liable; executive1.Following the national news we have the news and weather.2.She is an in a computer company.3.The new office block doesn't with its surroundings.4.We all have a to our country.5.He punishment for his behavior.6.Your comments are rather from the subject we are discussing.7.All the front seats are for foreign guests.8.I prefer to town during the rush-hour.9.We are all to make mistakes when we are tired.10.She read the best authors in an attempt to her mind.III.Choose the best answer.1.Since he is so arrogant and conceited, I will _____ my remarks for another occasion.A. reserveB. discountC. continueD. carry out2.For months they plotted to overthrow the government, though they knew that their would yield nothing but discontent, disorder, disobedience.A. schemeB. mayorC. rallyD. schemers3.He has no difficulty ____ his two writing careers: novels and films. He is really versatile.A. rankingB. cultivatingC. deservingD. blending4.My brother has never been before, so he is finding this trip very exciting.A. rewarded B, rallied C. abroad D. carried on5.The old model worker's rich experience is not to be. We can learn a lot from him.A. overestimated B, reserved C. discounted D. achieved6.1 shall my decision no matter what happens.A. hold up B, hold to C. hold with D. hold out7.The government has two, to reduce spending or to increase taxes.A. treatments B, options C. executives D. handouts8.She to learn that her favorite dancer used drugs.A. is qualified B stunned C. was dismayed D. liable9.The host was quite annoyed when he found out that his things on the bookshelves had been.A. blendedB. got away withC. laid downD. disturbed10.By all accounts, he's friendly, cheerful, a fine neighbor who does his best to blend in, never , never throwing his weight around.A. flashyB. show offC. stingyD. generous11.He made a decision to speak out about injustice.A. consciousB. shrewdC. conscientiousD. concise12.We must till success in spite of the extremely difficult conditions.A. carry outB. carry onC. carry throughD. carry off13.One tennis guest managed to him his game by asking why a can of balls costmore in one Wal-Mart than another.A. put...offB. put...awayC. distract...offD. distract ...away14.Though he lived a solitary life as a hermit in mountains, he could not keep himself fromhuman passions.A. indifferentB. remoteC. folksyD. liable15.Never forget these martyrs. They have their lives for the cause of independence and reunification of our motherland.A. laid offB. laid downC. laid awayD. lay out16.As the Election Day drew close, the polls still him far behind the Republican candidate.A. deservedB. reservedC. rankedD. treated17.The expert the picture to be a forgery, but no one believed him.A. consideredB. pronouncedC. qualifiedD. claimed on18.The cook the lobsters, head first, into a large pot of rapidly boiling salted water.A. plungedB. cookedC. friedD. baked19.The matter is serious because it your reputation. Anyway, take it easy.A. relatesB. opens upC. concerns aboutD. involves20.The modern opera was a disappointment; we expected it to be much better.A. not a bit ofB. not a bitC. a bitD. a bit ofplete the sentences with the words given in their proper forms.1.The of a hobby and new forms of interest is therefore a policy of first importance to apublic man, (cultivate)2.There is no for government but virtue and wisdom, actual or presumptive.. .(qualify)3.She dreamt of a career as an air hostess to travel round the world,(reward)4. A government will not be efficient unless the people as a whole accept leadership . (loyalty)5.The moment I saw him, my gloomy soul up. (cheerful)6.The idea of having enough money to retire at fifty is very.(appeal)7. A society is based upon the principles of democracy or social equality, (democrat)8.His intention was good, but his of the plan was unsatisfactory, (executive)9.The criminal received his richly punishment, (deserve)10.Many students do not think that courses are important, (option)V.ClozeIn one Hong Kong secondary school every candidate for a teaching post is asked the question, "What are your views on discipline in and ] the classroom?1'The answer may be, "I believe 2 great freedom in the classroom, pretty much allowing the students to do their own thing in the subject I'm teaching." That man will not be 3 .4 not? Because, even though he may arouse the interests of the students---and _5 is good---he, nevertheless, is guilty6 not leading the students' interests7 the necessary and useful way of8 comprehension of their subject.9 a singing or boxing student who practiced 10 his own and merely came to an instructor 11 for encouragement: Good instruction 12 specific details on the best methods to 13 and the dangers to guard against. And, so 14 permissiveness (放手，允许) in the classroom may benefit a few brilliant students, it can hardly benefit the majority.A syllabus (大纲)and a workbook are necessary tools. And 15 used intelligently and imaginatively,16 will help all students. 17 teacher may neglect the whole training procedure and 18 every teacher worth his salt (称职)must encourage the better students to advance beyond the limits of an assigned course.Will today's young person accept 19 ? He will if he sees examples of the 20 results of it.l.A) of B) outside C)for D) to2. A) with B) of C) h D) f)r3. A) employed B) pleased C) agreed D) attracted4. A) So B) What C) But D) Why5. A) it B) that C) which D) he6. A) of B) at C) in D) by7. A) along B) n®rby C) fom D) beyond8. A) close B) detailed C) full D) reasonable9. A) Watch B) Bbcome C) She D) Imagine10. A) in B)by C)for D) on11. A)often B) ne/er C) fequently D)occasionally12. A) asks B) demands C) causes D) becomes13. A) teach B) check C) fellow D) come14. A) since B) vhile C) ba:ause D) when15. A) although B)if C) since D) for16. A) it B) that C) hey D) he17. A) Each B) One C) None D) No18. A) yet B) though C) since D) after19. A) education B)卯abus C)permissiveness D) discipline20. A) good B) bad C) same D) various。
大学英语2含答案
1.Don,t have him for a friend. He’s a criminal.A) anything but B) but for C) rather than D) nothing but2.There are several characteristics of the book special attention.A) worthy BLworthy of C) worth of D) worthless3.What one wears does not always what one does but gives clues to one,s taste for life.A) go on B) go with C) go by D) go after4.I am very much to hear that Mr. Smith is so seriously ill.A) frightened B) frustrated C) disappointed Didistressed5.We should make a clear between the two scientific terms for the purpose of our discussion.A) separation B) selection ddistinction D) division6.It is highly desirable that every effort to reduce pollution in Beijing.A) was made B) be made C) will be made D) would be made7.I would appreciate it a secret.A) your keeping B) you to keep C) that you keep D) that you will keep8.He came to the meeting her serious illness.A) in case of B) in spite of C) instead of D) on account of9.The long drought caused a(n)shortage of water in this region.A. urgent B, acute C. dense D. rigid10.The annual income of one school teacher in this place was at $900 on average.A. budgetedB. predictedC. assessedD. accounted11.He is an artist, so these economic terms are not familiar him.A. withB. ofC. toD. on1.The president, together with his wife , coming to the small town next week. A. are B. will C.is D. would be2.We took from the storm in a barn.A. shade _B. shelterC. shadowD. sheath3.This class is only with English language.A. relatedB. have doC. concernedD. dealt4.Charles is shy and does not take the in making acquaintances.A. presentationB. initiativeC. strategyD. introduction5.It’s quite necessary for a qualified teacher to have a good manner and knowledge.A. intensiveB. expansiveC. extensiveD. expensive6.We don,t accept cheques; you have to pay in.A. cashB. coinC. moneyD. dollar7.The older generation have always on some of the ideas of the young.A. frownedB. criticizedC. disapprovedD. objected8.Happiness does not necessarily wealth.A. go afterB. go withC. go onD. go out9.Teenage mothers often have no but to live with their parents.A. optionB. chanceC. selectionD. scope10.Of course the farmer,s house is not with yours. His is just a small cottage whereasyours is like a palace.A. competentB. competitiveC. comparative D, comparable11.He thought he could talk Mr. Robinson buying some expensive equipment.A. toB. AboutC. intoD. on12.This boy is able to repeat from memory 200 short poems.A. up toB. up tillC. asD. as far1. A parent may his child to do his lessons by threatening to suspend his allowance.A. compelB.promoteC. exertD. impose2.of all the staff, I would like to wish you a happy retirement.A. In honorB. In placeC. On behalfD. On account3.The factory strike was settled when the union and management reached a on thequestion of wages.A. bargainB. harmonyC. compromiseD. comprehension4.This new printer is with all leading software.A. compatibleB. competitiveC. cooperativeD. comparable5.When he tried to make a, he found that the hotel he wanted was completely filled because of a convention.A. complaintB. claimC. reservationD. decision6.Don′t to contact me if you need any more information.A. pauseB. postponeC.hesitateD. frighten7.She from the report to support her point.A. derivedB. repeatedC. soughtD._quoted8.The football match had to be owing to the bad weather.A. cancelledB. advancedC. arrangedD. held9.The manager lost his just because his secretary was ten minutes late.A. moodB. temperC. mindD. passion10.When I caught him I stopped buying things there and started dealing with anothershop.A. cheatingB. cheatC. to cheatD. to be cheating11.You see the lightning it happens, but you hear the thunder later.A. the instantB. for an instantC. on the instantD. in an instant12.He made a to build a successful business on his own in this district.A. disposalB. hintC. perspectiveD. resolve1.I am to sleeping late.A. goodB. accustomedC. fondD. like2.In the of the project not being a success, the investors stand to lose up to $30 millions.A. faceB. timeC. eventD. course3.She is not a competent driver and can,t with driving in heavy traffic.A. tackleB. handleC_cope D. do4.He himself to the cold weather.A. adaptedB. usedC. adoptedD. rejected5.The doctor him to smoke.A. asksB. suggestsC. forbidsD. bans6.The general public to the use of drugs.A. rejectB. objectC. againstD. oppose7.An application to join this scheme places you under no obligation.A. indeedB.eventuallyC. whatsoeverD. apart8.Not having seen each other for a long time, the two sisters warmly.A. embracedB. enclosedC. engagedD. exchanged9.Switzerland is well-known for its impressive mountainous. A. views B. scenesC. sightsD. scenery10.You simply can,t a phone if you’re in business.A. do away withB. do withoutC. give awayD. give out11.Children and old people do not like having their daily upset.A. habitB. routineC. practiceD. custom12.students often find it difficult to live in America at first.A. ChineseB. AbroadC. OverseasD. Domestic1.I want to give up because I can,t see a chance of success.A. slipB. slimC. tinyD. few2.You should be very to your teachers for their generous help.A. satisfactoryB. thankingC. considerateD. grateful3.We’ll you for any damage done to your house while we are in it.A. compensateB. RemedyC. supplementD. return4.We did not send you an invitation, as we took it for that you would be coming.A. obligedB. grantedC. awardedD. consented5.Children who are over-protected by their parents may become.A. hurtB. damaged _Cijspoiled D. harmed6.Children are to have some accidents as they grow up.A. obviousB. indispensable _C. boundD. doubtless7.In your days at school you’ll be given a test to help the teacher to you to a class atyour level.A. locateB. assignC. deliverD. place8.This country is desert land.A. largeB. at largeC. by and largeD. 1argely9.Failures him in his determination to succeed.A. hardB. hardenedC. harderD. Hardly10.We were pleased to note that the early morning delivery didn,t to the traffic jam ofthe busy city.A. aidB. amountC. addD. attribute1.what extent can we trust him?A. ForB. AtC. ToD. By2.What you said yesterday is not with what you said just now.A. constantB. insistentC. persistentD. consistent3.Jack and Bill are twins, but the is taller than the former.A. laterB. lateC. firstD. latter4.The lady dressed in the latest Paris fashion is in her appearance but rude in her speech.A. elaborateB. excessiveC. elegantD. exaggerated5.It is very of you to make all the necessary arrangement for me.A. considerableB. considerateC. thoughtfullyD. thankful6.He was Nobel Prize for his achievement in literature.A. rewardedB. PaidC. awardedD. devoted7.The children in remote parts of the country still have no to internet.'access B. Way C. use D. approach8.It seems that young children have less prejudice each other than adultsdo.A. forB. WithC. againstD. on9.In production cheaper materials are being for the better, more expensive kind.A. discardedB. replacedC. convertedD. substituted10.These small white houses are of the Greek islands.A. peculiarB. specialC. characteristicD. exclusive11.Fluency in three languages her for work in the European Parliament.A.4ualifiesB. enablesC. creditsD. deserves12.The man in the corner to having told a lie to the manager of the company.A. declinedB. refusedC. admittedD. confessed13.High interest rates people from borrowing money from the bank.A. discourageB. dismissC. disappointD. disgust14.The house was from the road by a small wood.A. locatedB. constructedC. concealedD. emerged1.Hard work together with perseverance to his success.A. attributedB. Distributed C_contributed D. devoted2.You can,t get there by swimming.A. more thanB. asC. less thanD. other than3.The committee recommends he the new financial manger.A. will beB. isC. shall beD. be4.There are always some parts of your life which you can have little or nocontrol.A. throughB. overC. forD. by5.He knowing anything about the corruption.A. refusedB. rejectedC. desiredD. denied6. A good boss always responsibility to his assistants.A. removesB. delegatesC. refersD. leases7.Allen placed too much on sports and paid little attention to his studies.A. concernB. interestC. hobby D^^mphasis8.You cannot imagine how I feel with my duties sometimes.A. overflowed Ba_Qverwhelmed C. overthrown D. overturned9.Sport provides a(n)fOr a teenager,s feelings of aggression or frustration. A. exit B. exhaust C.outlet D. leak10.The for making application is tomorrow, so you’d better send in your form today.A. dateB. agendaC. terminalD. deadline11.Our taxi was caught in a traffic, so we were late for the show.A. knotB. blockC. lock DiJam12.Books are to scholars.Arindispensable B. Bound C. accustomed D. indifferent1.It has been rather costly to install the machinery, but it will prove to be worth the moneyA. in the long runB. in conclusionC. at long lastD. at the end2.We prefer to discuss the plan fully it in practice hurriedly.A. than putB. to putC. rather than putD. to putting3.After she became a lawyer, she decided to in contract law.A. study Ba-specialize C. learn D. contribute4.This expert will his remarks to e-business this time.A. coordinateB. renderC. confineD. depict5.Can we ever hunger from the world?A^eliminate B. throw C. stop D. prevent6.The profit-sharing plan is designed to the staff to work hard.A. mountB. mouldC. motivateD. motion7.Many university courses are not really to the needs of students or their futureemployers.A. associatedB. related C^geared D. qualified8.The store had to a number of clerks because sales were down.A. lay outB. lay offC. lay asideD. lay down9.At yesterday’s party, Elizabeth,s boyfriend amused us by Charlie Chajlin.A. modelingB. followingC.imitatingD. copying10.Your usual teacher has lost his voice and I am taking his place today.A. neverthelessB. however ^accordingly D. moreover11.energy under the earth must be released in one form or another, for example, an earthquake.A. AccumulatedB. AssembledC. GatheredD. Collected12. A of robbers broke into the bank and took away all the money.A. bunchB. schoolC. rankD. gang13.There was a good deal of to the introduction of foreign cultures.A. obstacleB. ChallengeC. blockD. resistance14.Did the people approve of the government,s policy?A. in allB. in publicC. at largeD. at best15.It has always me why you believe the Earth is flat.A. confusedB. misledC._puzzledD. wondered16.The Prime Minister will give details of the plan at a press today.A. reportB. discussionC. conventionD. conference17.There is still a (an)post available. You can apply for it.A. emptyB. bareC. vacantD. open18. is estimated that China,s export this year will exceed that of the last year.A. ThisB. ThatC. WhatD. It19.“Don’t to contact us if you need our help,” said the receptionist.A. dreadB. afraid C_hesitate D. object20.what you intended, I should not have wasted my time trying to explain mattersto you.A. I had realizedB.Had I realizedC. Realized had ID. Had realized I21. It’s my advice that she right now, or she might be late for the plane.Ai_start B) starts C. would start D) will start。
新视野大学英语2册(第三版)unit2-课后习题答案
• MOOCs can encourage communication among participants who bring a variety of viewpoints, knowledge, and skills to the course;慕课能够促进参与者之 间的交流，使得多种观点、知 识和技能涌现到课堂上来；
• When you were sweating and
out of breath, did you ever wish that you could only stop taking a P.E. class in college? However, taking P.E. courses can be advantageous to all college students.
6. Banked Cloze
1.insight 3. boost 5. prospect 7. invest 9. affected 2. education 4. mystery 6. promote 8. appreciation 10. speculate
7. Expressions in use
• In recent years, with the development of Internet technology, the construction of digital education resources of our country has made great achievements.
Word Building -ify
intense ➝ intensify
identify ➝ identity
Word Building 5. 1.excess 2. bearing 3. objective 4. intensify 5. execute 6. promising 7. exclude 8. identity 9. offend 10. housing
大学英语2练习题库（附答案）
大学英语2练习题库（附答案）大学英语2题库（附答案）1.We are interested in the weather because it ______ us so directly – what we wear, what we do, and even how we feel.A. benefitsB. affectsC. guidesD. effects正确:【B】2、A lot of _______ must be made to the economic system.A. formsB. formationC. reformsD. transforms正确:【C】3、This type of university course is no longer ___________ today's problems.A. relevantB. relevant toC. relevant withD. relevant on正确:【B】4、It was in 2001_________ this type of car began to be popular with the teenagers.A. whichB. thenC. whenD. that正确:【D】5、He didn’t ________ and so he failed the examination.A. work enough hardB. work hard enoughC. hard work enoughD. hard enough work正确:【B】6、Yesterday was _______ beautiful day ________ we decided togo swimming.A. such …thatB. so …thatC. such a…thatD. a so …that正确:【B】7、The actual cost of the building was much higher than our original _____A. considerationB. judgmentC. estimateD. plan正确:【C】8、The new order means _______ overtime.A. worksB. workedC. to workD. working正确:【D】9、Strict ______ measures have been taken during the President’s visit.A. secureB. securityC. safeD. save正确:【B】10、Recently the newspapers have reported several ____- on the boundaries of Israel and JordanA. accidentsB. incidentsC. eventsD. happenings 正确:【B】11、What’s his mother like? ______.A. She’s very happyB. She’s at homeC. She likes watching TVD. She ’s tall and thin12、As you _________ the town the first building you see is the church.A. approachB. approachingC. approachedD. approaches正确:【A】13、There are two new hotels under ______.A. ovenB. builtC. shapeD. construction正确:【D】14、I cannot tell the ______ difference between the twins.A. slightB. singleC. simpleD. slender正确:【A】15、I know Jonathan quite well and never doubt he can do a good job of it.A. whetherB. whatC. whenD. what正确:【B】16、We ______ thrifty and simple life.A. call forB. call inC. call onD. call to正确:【A】17、The manager flew into ______ when he heard that his secretary had disobeyed his instructions.A. a rangeB. disappointmentC. a penaltyD. a rage18、Some of the students in this class seem ______ to help those who have difficulties in their studies.A. willingB. reluctantC. reliableD. responsible 正确:【B】19、He never ________ being looked on as a stupid student.A. brainsC. mindsD. wits正确:【C】20、How close parents are to their children a strong influence on the development of the children's character. A. have B. has C. having D. had正确:【B】21、The buildings and the landscape are well __________ .A. combinedB. alternatedC. gatheredD. integrated 正确:【D】22、_______ it is you’ve found, you must give it bac k to the person it belongs toA. ThatB. WhatC. WhateverD. However正确:【C】23、May I see your tickets, please? _____________.A. No, they are mine.B. No, you can’tC. Sure.D. Yes, you can.24、Please ____ in mind that you should hand in homework this Wednesday.A. placeB. keepC. control正确:【B】25、Many people have the ______ that wealth is the chief source of happinessA. illusionB. imaginationC. visionD. impression 正确:【A】26、The baby is hungry, but there's ________________ milk in the bottle.A. littleB. a littleC. fewD. a few正确:【A】27、I believe you have ______ some important points in the report.A. left aloneB. left behindC. left offD. left out 正确:【D】28、Many people _______ their income.A. budgetB. is budgetingC. to budgetD. is to budget 正确:【A】29、--How often do you go dancing? --_________________________A. I will go dancing tomorrow.B. Yesterday.C. Every other day.D. I've been dancing for a year. 正确:【C】30、For a successful business, friendly and ______ staff are essential.A. lovelyB. hardC. efficientD. respective正确:【C】31、Could I borrow your car for a few days? _____________.A. Yes, you may borrow.B. Yes, go on.C. Sure, here your are. Enjoy your journey.D. It doesn’t matter.正确:【C】32、A great number of colleges and factories ____since 1949.A. has been establishB. have been establishedC. have establishedD. had been established正确:【B】33、He interrupted the _________ discussion and announceda notice.A. going onB. goingC. ongoingD. ingoing正确:【C】34、—I’m going to America for a holiday next week. — .A. GoodbyeB. Wish you successC. For sureD. That’s great正确:【D】35、Mike is better than Peter _______________ swimming.A. forB. atC. onD. in正确:【B】36、---Did you have a good time in Thailand last week?--- ______, it was too hot.A. Not reallyB. Yeah, why notC. Oh, greatD. You’re right正确:【A】37、You can, the sky is clear, see as far as the old temple on top of the mountain, but not today.A. whenB. whereC. thoughD. because正确:【A】38、---Excuse me, but can you tell me the way to the airport? --- ___________.A. Don't ask thatB. Sorry, I'm a stranger hereC. No, you're driving too fastD. No, I can’t say that.正确:【B】39、There’s no need to be frightened of the dog. He’s quite ______.A. happyB. weakC. cheerfulD. harmless正确:【D】40、Excuse me for _____ you with such a small matter.A. questioningB. troublingC. interruptingD. keeping正确:【B】41、China has emphasized on raising personal income and consumption recently.A. personB. personalC. personnelD. personally正确:【B】42、---Did you have a good time in Thailand last week?--- ______, it was too hot.A. Not reallyB. Yeah, why notC. Oh, greatD. You’re right正确:【A】43、For a successful business, friendly and ______ staff are essential.A. lovelyB. hardC. efficientD. respective正确:【C】44、It was in 2001_________ this type of car began to be popular with the teenagers.A. whichB. thenC. whenD. that正确:【D】45、---Excuse me, sir, could you tell me the way to People's Square?--- ____ .A. Don't bother me.B. Sorry, I'm a stranger here, too.C. I don't understand youD. Why don't you take a taxi? 正确:【B】46、Many ______ large and big business ______ been built up from small ones.A. a, hasB. /, hasC. a, haveD. a, has正确:【A】47、There are two new hotels under ______.A. ovenB. builtC. shapeD. construction 正确:【D】48、____ girl dressed _____ black is her sister Rose.A. A;InB. A;OnC. The;onD.The;in正确:【D】49、--How often do you go dancing?--_________________________A. I will go dancing tomorrow.B. Yesterday.C. Every other day.D. I've been dancing for a year. 正确:【C】50、The buildings and the landscape are well __________ .A. combinedB. alternatedC. gatheredD. integrated正确:【D】51、Let's play cards _________ watching television.A. insteadB. againstC. instead ofD. and正确:【C】52、You have caught a bad cold so you _______ stay in bed now.A. mustB. needC. haveD. shall正确:【A】53、The new order means _______ overtime.A. worksB. workedC. to workD. working正确:【D】54、A great number of colleges and factories ____since 1949.A. has been establishB. have been establishedC. have establishedD. had been established正确:【B】55、How close parents are to their children a stronginfluence on the development of the children's character. A. have B. has C. having D. had正确:【B】56、Having taken our seats, ．A. the professor began the lectureB. the lecture began in no timeC. we were attracted by the lecturer immediatelyD. the bell announced the beginning of the lecture正确:【C】57、No one has yet succeeded in explaining the _________ of how life beganA. logicB. puzzleC. causeD. problem 正确:【B】58、He never ________ being looked on as a stupid student.A. brainsB. headsC. mindsD. wits正确:【C】59、Please ____ in mind that you should hand in homework this Wednesday.A. placeB. keepC. controlD. restrict 正确:【B】60、They had so ______ in common that they soon became good friendsA. littleB. fewC. manyD. much正确:【D】61、There’s no need to be frightened of the dog. He’s quite ______.A. happyB. weakC. cheerfulD. harmless 正确:【D】62、I believe you have ______ some important points in the report.A. left aloneB. left behindC. left offD. left out正确:【D】63、With everything she needed ,she went out of the shop,with her hands full of shopping bags.A. boughtB. to buyC. buyingD. buy正确:【A】64、_______ it is you’ve found, you must give it back to the person it belongs toA. ThatB. WhatC. WhateverD. However正确:【C】65、Excuse me for _____ you with such a small matter.A. questioningB. troublingC. interruptingD. keeping66、We ______ thrifty and simple life.A. call forB. call inC. call onD. call to正确:【A】67、What’s his mother like? ______.A. She’s very happyB. She’s at homeC. She likes watching TVD. She ’s tall and thin正确:【D】68、You can, the sky is clear, see as far as the old temple on top of the mountain, but not today.A. whenB. whereC. thoughD. because 正确:【A】69、Don't open the door, no matter ________ comes.A. whoB. whomC. whatD. which正确:【A】70、The baby is hungry, but there's ________________ milk in the bottle.A. littleB. a littleC. fewD. a few正确:【A】71、We are interested in the weather because it ______ us so directly – what we wear, what we do, and even how we feel.A. benefitsB. affectsC. guidesD. effects72、The manager flew into ______ when he heard that his secretary had disobeyed his instructions.A. a rangeB. disappointmentC. a penaltyD. a rage 正确:【D】73、His manner was so bright and pleasant that Arthur felt ___- with him at onceA. easyB. confidentC. comfortableD. at rest正确:【C】74、—I’m going to America for a holiday next week. — .A.GoodbyeB.Wish you successC.For sureD.That’s great正确:【D】75、The city is developing _______ and property in the center is becoming more expensive.A. rapidB. rapidlyC. quickD. gradual正确:【B】76、---I think you’d better type this letter again before Mr. Smith see it.--- Oh, dear! ___________.A. Who cares?B. No problemC. I don’t mind at allD. Is it as bad as that?正确:【D】77、I know Jonathan quite well and never doubt____he can do a good job of it.A. whetherB. whatC. whenD. what正确:【B】78、Mike is better than Peter _______________ swimming.A. forB. atC. onD. in正确:【B】79、As you _________ the town the first building you see is the church.A. approachB. approachingC. approachedD. approaches正确:【A】80、I cannot tell the ______ difference between the twins.A. slightB. singleC. simpleD. slender正确:【A】81、Charles Babbage is generally considered ______ the first computers.A. to inventB. inventingC. to have inventedD. having invented正确:【C】82、Like ____ other language skills, reading requires practice.A. the most ofB. most of theC. much of theD. more of the正确:【B】83、I did not expect him to _________ his intentions.A. tellB. indicateC. revealD. expose正确:【C】84、Winning or losing is temporary, but friendship ______.A. expectsB. livesC. remainsD. lasts正确:【D】85、—This is the worst film ever produced. Do you think so? — .A. You’re wrongB. I don’t think so, I’m afraidC. Not at allD. No, that’s not real正确:【B】86、The self-important manager didn’t seem to ____ much importance to my advice.A. applyB. attachC. judgeD. consider 正确:【B】87、The red rose is her ______.A. favorB. favoriteC. likeD. best 正确:【B】88、__________ speaking, I would say that about100 people attended the exhibit.A. RoughlyB. RoughC. AboutD. On正确:【A】89、She ______ come yesterday.A. doB. haveC. didD. does正确:【C】90、That is the present ___________ of government thinking.A. directionB. managementC. supervisionD. guidance正确:【A】91、---Why don’t you go home?---Because the work _______.A. hasn’t finished yetB. can’t finish yetC. would not finish yetD. isn’t finished yet正确:【D】92、I don't know how to deal _______ such matter.A. withB. toC. inD. out正确:【A】93、Today’s weather is _____worse than yesterday’s.A. veryB. muchC. very muchD. much too正确:【B】94、Some of the students in this class seem ______ to help those who have difficulties in their studies.A. willingB. reluctantC. reliableD. responsible正确:【B】95、—Can I borrow your camera for a week?— .A. Sure, here you areB. Yes, you can borrowC. Yes, bring it with youD. It doesn’t matter 正确:【A】96、—Would you like a cup of coffee?— .A. It’s very kind of youB. No, I wouldn’tC. Yes, pleaseD. Here you are正确:【C】97、In the modern technological world the sea offers many ______ to help mankind survive.A. resourcesB. resourceC. aidsD. resourcefulness正确:【A】98、In the modern technological world the sea offers many ______ to help mankind survive.A. resourcesB. resourceC. aidsD. resourcefulness正确:【A】99、---Did you have a good time in Thailand last week?--- ______, it was too hot.A. Not reallyB. Yeah, why notC. Oh, greatD. You’re right正确:【A】100、Winning or losing is temporary, but friendship ______.A. expectsB. livesC. remainsD. lasts正确:【D】101、It was in 2001_________ this type of car began to be popular with the teenagers.A. whichB. thenC. whenD. that正确:【D】102、He has been ______ for nearly three weeks after the death of his dear pet.A. sadB. satisfiedC. evilD. joyful正确:【A】103、Many ______ large and big business ______ been built up from small ones.A. a, hasB. /, hasC. a, haveD. a, has。
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第二章习题
一、 选择题
1、小信号谐振放大器一般工作于 状态。
①甲类 ②乙类 ③丙类 ④甲、乙类
2、对小信号谐振放大器，其通频带越宽，对特定频率的选择性 。
①越好 ②不变 ③越差 ④与通频带无关
3、并联谐振回路的阻抗在谐振时，回路呈 。
①纯阻，阻抗最小 ②纯阻，阻抗最大 ③容性，阻抗最大 ④、感性，阻抗最小
4、串联谐振回路的阻抗在谐振时，回路呈 。
①纯阻，阻抗最小 ②纯阻，阻抗最大 ③容性，阻抗最小 ④感性，阻抗最大
5、LC 并联谐振回路的品质因数Qe 为： 。
（其中Re 为谐振电阻） ①L R Q o e e ω= ②C R Q o e e ω= ③L
R Q o e e ω1= ④L R Q o e e ω= 6、LC 并联谐振回路的特征阻抗ρ的表达式中哪个不对 。
①C o ωρ1= ②L o ωρ= ③C L =ρ ④L
C =ρ 7、小信号谐振放大器谐振曲线直观反映了放大器通频带的宽窄。
品质因数Qe 越小，则：
①谐振曲线尖锐，通频带越窄 ②谐振曲线平坦，通频带宽
③谐振曲线尖锐，通频带越宽 ④谐振曲线越平坦，通频带越窄
8、小信号谐振放大器的负载为： 负载。
①具有谐振性质 ②纯阻 ③感性 ④容性
9、单调谐回路谐振放大器中采用中和（或失配）的目的是为了： 。
①提高选择性 ②提高稳定性 ③提高增益 ④扩展通频带
10、单级单调谐回路谐振放大器增益A vo 与回路有载品质因数Q e 的关系是：当Q e 增大 。
①A vo 减小 ②A vo 增大 ③A vo 不确定 ④A vo 不变
11、将两级电路参数相同的单回路的谐振放大器级联，若单级的通频带为BW 0.7，两级级联后
的通频带BW 0.7(2)= 。
①BW 0.7 ②7.02
112BW - ③7.02BW ④7.0BW >
12、若单级谐振放大器的通频带为BW 0.7，则双参差调谐放大器的通频带为： 。
①BW 0.7 ②7.02
112BW - ③7.02BW ④7.0BW <
二、简答题
1、小信号谐振放大器的主要性能指标有哪些？
答：小信号谐振放大器的主要性能指标是：谐振增益、通频带、选择性、稳定性等。
2、小信号谐振放大器的作用是什么？其中的选频作用由什么来实现？
答：其作用是：既选频又放大。
其选频作用由谐振回路来实现。
3、小信号谐振放大器不稳定的内部原因是什么？提高稳定性的措施有哪些？
答：①谐振放大器不稳定的原因为：由于y re 不等于零，晶体管存在着内反馈。
所以它
是一个“双向器件”。
作为放大器工作时，y re 的反馈作用是有害的，其有害作用
是可能引起放大器自激至使其工作不稳定。
②提高稳定性的措施有：减小y re 内反馈作用（可采用中和法）；增大y L （可采用失配法）。
4、什么叫双参差调谐放大器？它是如何提高选择性和展宽频带的？
答：所谓双参差调谐，就是将两级单调谐回路放大器的谐振频率分别调整到略高于（11f f f o ∆+=）和略低于（12f f f o ∆-=）中心谐振频率f o 上。
具有双参差调谐的放大器就为双参差调谐放大器。
如图1-17（a ）所示，由于放大器总增益等于各级电压增益的乘积，因此只要f 1和f 2取值适当，让一级频率特性的上升段与另一级频率特性的下降段刚好相互补偿，则合成的频率特性曲线在通带内可以相对平坦，且通频带较宽，而通频带以外信号的增益则迅速衰减。
使其幅频特性曲线更接近于矩形，如图1-17（b ）所示。
5、多级级联之后谐振放大器的通频带和选择性（和单级谐振放大器相比）的总变化趋势是什么？
答：多级级联之后，总的选择性变好了，通频带变窄了。
6、小信号谐振放大器中的晶体管为何要用Y 参数等效电路？
答：因为在小信号谐振放大器中，放大器件、谐振系统和负载之间一般为并联形式，采用导纳可直接进行相加，运算简便，所以采用Y 参数等效电路。
（Y 参数虽与频率有关，但小信号谐振放大器属窄带系统，Y 参数变化不大，可近似认为不变。
）
三、计算题
1、 如下图所示电路是单调谐放大器的交流通路：
当谐振频率Z o MH f 10=时，测得晶体管Y 的参数为：
)(5.02ms j y ie += )(520ms j y fe += )(4020s j y oe μ+= 0≈re y 放大器的通频带为Z kH BW 3007.0=，谐振电压增益为A vo =50，试求电路元件参数C 、L 和R L 的值。
解：该单调谐放大器的Y 的参数等效电路为：
∵e
o Q f BW =7.0 ∴3101030010102367.0=⨯⨯==BW f Q o e 又∵5021==e
fe
uo g y n n A (其中n 1=n 2=1) ∴有：ms A y g vo fe
e 41.050005.002.022≈+==
又∵L oe e g g g +=（其中oe g 根据oe oe oe C j g s j y ωμ+=+=)(4020得s g oe μ20=）
∴ms g g g oe e L 39.0=+= ∴Ω≈=k g R L
L 56.21 又∵e o e o e e C R L R Q ωω==
∴7
2310210311041.011⨯⨯⨯⨯⨯===-πωωo e e o e e Q g Q R L
H H μ17.11017.16=⨯≈-
327
10.4110103217.6210e e e e o e o Q g Q C PF R ωωπ-⨯⨯⨯===≈⨯ 又∵C C C oe e +=（其中oe C 根据oe oe oe C j g s j y ωμ+=+=)(4020得
F C C o oe o oe 1376
1037.610
21040--⨯≈⨯⨯==πωω） ∴217e oe C C C PF =-≈。