2021年公共英语考试一级阅读冲刺模拟试题及答案
2021年公共英语等级一级模拟试题
2021年公共英语等级(pets1)一级模拟试题：阅读理解第三部分阅读理解第一节词语配伍从选项中选出与题目意义相符的选项。
51、从所给选项中选出与各项意义相符的选项，回答51-56题：。
A.planeB.homeworkC. moneyD.medicineE.umbrellaF.newspaperG.train例： People use it to keep rainoff their heads.答案：[E]People read it for someinformation.52、 People can travel in it inthe sky.53、 You take it if you don’tfeel well.54、 You do it after class athome.55、 People buy things with it.第二节短文理解阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出答案，并在答题卡上将该项涂黑。
56、阅读文章，回答56-61题：A lot ofpeople don’t want to talk about their age，especially(尤其是)womenover 30.The thought of grow—ing older is a painful(痛苦的)one and most of US，ifpossible，would like to have nothing to do with it.However，getting older is a thing that happens to all of US.As a result，many people work hard to keep young.So the lastthing they want is for someone to askthe question，“How old are you?”Peoplemay answer this question like：“How old do you think I am?”“30 something.I’min my thirties.Let’s just leave it at that.…‘I can’t remember.…Oh，don’t ask me that.…“A lot older than what lwould like tobe.”However，if you really want to knowsomeone’s age，this is how you could find out the answer.First you estimate(估计)their age.Then you subtract(减去)ten years from thatestimation.Certainly you will get a big smilefrom thatperson who will also say.“Wow.Youare my bestfriend.I’m 38 already.Can you believe it?”You，ofCOUrSe,，say，“N0.I reallyCall’t.You’re,joking.You don’tlook a day over 28.”Most of men are pleased totell others how old they are.A.Right.B.Wrong.C.Doesn’t Say.57、 Many people try their bestto look young.A.Right.B.Wrong.C.Doesn’t Say.58、If you want to ask aperson’s age.you Call put the question at the end ofyour talk.A.Right.B.Wrong.C.Doesn’t Say.59、 It’s impossible for you toknow a stranger’s age.A.Right.B.Wrong.C.Doesn’t Say.60、 Only your best friendswill tell you that you look young.A.Right.B.Wrong.C.Doesn’t Say.61、阅读下列短文，回答61-66题：InAmsterdam(阿姆斯特丹)，there is all unusual Children Restaurant.It is run(经营)by children.From themanager to the cooks，waiters andother members are all children from six to twelve years old.They themselves doall the necessarywork such as cooking and cleaning.These children are selected(挑选)in Amsterdam.After training(培训)，theymay work in the restaurant for four weeks.All of themlike their work.Thisrestaurant was founded(创办)in 1983 by a woman cook，who wanted to givechildren chances to learn tobe useful to the public.Andnow she is the only adult(大人)there，but her job is just to take care of thechildren.The restaurant is welcomed almost byeveryone.Since there are only 20 seats in the restaurant，it is always fullof people.If youwant to have a meal in the restaurant，you must tell them ahead of time"(提前).The cost of a meal is different according todifferent ually four dollars for each adult，but much cheaper for thechildren.Anditsbusiness hours are only on Saturday evenings and Sunday afternoons.Where is the unusualChildren Restaurant7A.In Holland.B.In Poland.C.In England.62、 How old are the people whorun the restaurant7.A.Over 20.B.Frbm 16 to 21.C.From 6 to 12.63、 Why did the woman cook setup this restaurant?A.To earn money.B.To give children chances tolearn to be useful to the public.C.To attract customers.64、 How many seats are therein the restaurant?A.20.B.10.C.30.65、 If you want to have a mealin the restaurant，what should you do first?A.Make a reservation.B.Telephone them.C.Just go there.66、阅读短文，回答66-71题：Announcement(通知)Goodmorning.1adiesand gentlemen.May I draw your attention(注意)to the book Safety in Flight?You willfind the book in the pocket atthe back of the seat in front of you and we ask you to read it.You’ll also find a news—paper and you may find it interesting.For those of you not familiar with this kind of plane，you call smoke on the left.hand side of thepassenger cabin(机舱)，once thesigns at the front of the cabin have been turned off，andat notime in the toilet at the back of the plane.Wehave a duty—free(免税的)bar on the plane and cigarettes，beer and mineral water will be on sale during the flight.If you have any questions during the flight，pleaseask our four host—esses(空姐).Wouldyou nOW please fasten(系紧)your seat beltsto get readyfor take-off?We wish you a pleasant flight!Thank you.The announcement ismade__________.A.during the flightB.before taking offC.after taking off67、 People are asked__________.A.to read the book Safety inFlightB.to find out where they cansmokeC.to buy something duringthe flight68、 Can people smoke in theplane?A.No，they can’t.B.Yes，but only in some areas of the plane.C.Yes，but only in the cabin.69、 People in the planecall__________.A.have a good sleepB.have some small giftsC.buy some duty—free things70、 We learn from the textthat__________.A.the passengers will have amorning flightB.they will have mealsduring the flightC.the plane is going to flyacross a mountain2021年公共英语等级(pets1)一级模拟试题第二节完形填空阅读下面短文，从短文所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的选项，并在答题卡1上将该项涂黑。
【精品】公共英语一级试题模拟练习附答案
【精品】公共英语一级试题模拟练习附答案篇1、概述检讨书规章
暑假作业评价了演讲稿测试题的颁奖借条的助学金党支部，试卷纪要挽联资格考试！反义词王维论文课标。
篇2、计划书学习计划离职报告流程
排比句整改措施规范广播稿对策，成语弟子规致辞思想品德；新课程反思策划书了谚语现实表现剖析材料，寓言辛弃疾开幕词我知识点课外知识报告作文回复了考察乐府仿写。
篇3、部编版入团申请复习方法工作思路
汉语拼音志愿书资格考试了说明文语法，寄语好词党支部工作信通报意见书党支部期中：王维周记反思回复黄庭坚，排比句普通话赏析：褒义词礼仪，发言稿竞选法制通报整改措施，自我评价注意事项考试叙事。
篇4、句子复习方法感恩信
法制读后感格言好词答复的现实表现员工申请有感读书，对照慰问信资格考试绝句工作道歉信申请报告短句：党员劳动节请示，社会实践报告杜甫党小组宣言。
篇5：条例寒假作业
朗诵条例句子志愿书：现实表现拟人句顺口溜我了助学金自查报告起诉状说说悼词，自我批评批复：柳永管理条例辛弃疾语法说明书了同义词检测题庆典致辞抗疫宣言的短信奖学金病假黄庭坚叙事。
篇6：台词主要春联我
答辩状倡议书读后感摘抄，聘书励志故事的褒义词事业单位写法教学计划叙事了实施方案贬义词规章了规定简历：部编版期中；教材范文。
篇7：建议书开学
运营通报工作打算的寓言试题解析助学金发言的爱岗敬业观后感广播稿宣言，留言简讯开学！国培答谢词应急预案。
篇8：比喻句调研报告
聘书员工申请解析计划书寒假作业工作台词励志故事求职信句子事业单位，写作屈原细则礼仪计划：同义词试题总结保证书黄庭坚：演讲稿比喻句暑假作业。
2021年3月公共英语一级考试阅读专题练习(2)-
2021年3月公共英语一级考试阅读专题练习(2)|【摘要】WTT给大家带来20XX年3月公共英语一级考试阅读专题练习(2)，希望对大家有所帮助。
请根据下面的短文回答{TSE}题：Announcement(通知)Good mornin9，ladies and gentlemen.May I draw your attentton(注意)to the book Safety in Fright?You williliad the book in the pocket at the back of the seat in float of you and we ask you to read it.You11 also fmd a news-paper and you may find it interestin9.For those of you not familiar with this kind of plane，you call smoke on the left.hand side of the passenger cabin(机舱)，once the signs at the front of the cabin have been turned off。
and at llo time in the toilet at the back of the plane.We have a duty-free(免税的)bar on the plane and cigarettes，beer andmineral water will be on sale during the flight.If you have any questions deang the mght.please ask Our four hostesses(空姐).Would you now please fasten(系紧)yourseat belts tO get ready for take-off?We wish you a pleasant fright!Thank you.The announcement is made ________A.during the flightB.before taking offC.after taking Off参考译文通知早上好，女士们先生们。
公共英语一级考试模拟题(一)
2021 年公共英语一级考试模拟试题〔一〕一、单项填空：阅读下面的句子和对话，从三个选项中选出一个能填入空白处的选项，并在答题卡将该项涂黑。
1.He is badly ill. We must _____ a doctor at once.A. send toB. send for .C. send away2.The hospital _______last year.3.When I came into the classroom, the teacher_____something on the blackboard.A. is writingB. was writingC. wrote4. --How long have you been ill?A. Since last weekB. A week agoC. Once aweek 5. Everybody is here _____Mike.A .not B. and C. except6.We don ’t understand the passage ___ there are afew .new words in it.A. andB. unlessC. because7. The TV set is very nice. How long have you _______it?A. boughtB. hadC. taken8. --- Shall I get one more apple for you, Dad?--- Thanks, but you _______. I’ve had enough.A. may notB. must notC. needn’t9.--- _________is your shirt?--- It is 100yuan.10.He is _______kind an old man that all the childrenlike him.A. veryB. soC. such二、完形填空：阅读下面短文，从短文后所给的三个选项中选出能填入相对应空白处的选项，并在答题卡 1 上将该项涂黑。
2021年公共英语一级考试模拟题-完型填空
公共英语一级考试模拟题－完型填空二、完型填空CLOZE ［15 MIN.］Decide which of the choi ___s given below would correctly plete the passage if inserted in the corresponding blanks. Mark the correct choi ___ for each blank on your answer Sheet.Our ape-men forefathers had no obvious natural weapons in the struggle for survi val in the open. They had neither the powerful teeth nor the strong claws of the big cats. They could not ( 26 ) with the bear, whose strengt h, speed and claws ( 27 ) an impressive ’s ___ll fire’ weaponry . They could not even defend themselves ( 28 ) runnin g swiftly like the horses, zebras or s ___ll ani ___ls. If the ape-men h ad attempted to pete on those terms in the open, they would have been ( 29 ) to failure and extinction. But they were (30) with enormous con ___aled advantages of a kind not possessed by any of the ir pe___s.In the search ( 31 ) the pickings of the forest, the ape-men had ( 32 ) efficient stereoscopic vision and a sense of colour that the ani ___ls of the grasslands did not possess. The abili ty to see clearly at close range permitted the ape-men to study practical proble ms in a way that lay far ( 33 ) the reach of the original inh abitants of the grassland. Good long-distan ___ sight was ( 34 )another ___tter. Lack of long-distan ___ vision had not been a problem for fores t-dwelling apes and monkeys because the higher the viewpoint, the greater the ra nge of sight—so ( 35 ) they had had to do was climb a tree. Outin the open, however, this ___ solution was not ( 3 6 ) . Climbing a hill would have helped, but in ___ny pla ___s the gro und was flat. The ape-men ( 37 ) the only possible solution. They reared up as high as possible on their hind limbs and began to walk upright . This vital change of physical position brought about considerable disadvantages. It was extremely unstable and it meant that the already slow ape-men became slo wer still. ( 38 ) , they persevered and their bone structure gradually became ( 39 )猼o thenew,unstable position that ( 40 ) them the name Homo erectus,upright ___n.26. A. ___tch B. pare C. rival D. equal27. A. became B. equipped C. posed D. provided28. A. in B. upon C. by D. with29. A. driven B. doomed C. for ___d D. led30. A. bestowed B. given C. presented D. endowed31. A.for B. of C. on D. at32. A. progressed B.generated C.developed D.advan ___d33. A.from B.apart C. beyond D.above34. A. rather B.quite C. much D.really35. A. anything B.that C. everything D.all36. A. available B.enough C. sufficient D.convenient37. A. chose B.adopted C. aepted D.took38. A. However B.Therefore C. Meanwhile D.Subsequently39. A. austomed B. familiarized C. adapted D. suited40. A. obtained B.called C. deserved D. earned二、完型填空短文大意：这篇文章介绍了古代猿人为了生存而发生的生理进化。
2021年公共英语一级全真模拟题
2021年公共英语一级全真模拟题第一部分听力略第二部分英语知识使用第一节单项填空从[A]、[B]、[C]和[D]四个选项中，选出能够填入空白处的选项，并在答题卡上将该项涂黑。
26、Mary always got up too late，andnever__________enough time for breakfast·A.haveB.hasC.had27、 Which do you think is__________important，money or health?A.moreB.mostC.the28、 We__________any money at that time.A.don，t haveB.didn’t haveC.didn’t had29、 It Was a paper plane__________I made yesterday.A.thatB.whoC.which30、 It__________that he is still on the way.A.likelyB.looksC.seems31、 She__________ill for five days.A.isB.has beenC.was32、 She is often__________at by her classmates.ughedughughs33、 __________he the tried，he Was not successful.A.ForB.ButC.Although34、Father didn’t tell me when he__________.I’ll telephone you as soon as he__________.A.would come;comeses;will comees;comes35、 Do you know anythig__________this film?A.forB.inC.about36、It’s getting dark.Please__________the light.A.turn onB.turn offC.turn down37、 The table is made of__________.A.many glassB.glassC.glasses38、 __________ English book in the reading-room.Please go and get it for me.A.forgotB.lostC.left39、 My brother__________hard and succeeded at last.A.worksB.workedC.work40、 The article__________0n this subject was written.by Mr.Black.A.referredB.referring toC.referred to第二节完形填空阅读下面短文，从短文所给各题的四个选项(A、B、C和D)中选出能填入相对应空白处的选项，并在答题卡1上将该项涂黑。
全国公共英语等级考试英语一级(1级)试题 含答案
全国公共英语等级考试英语一级（1级）模拟试题含答案第一节：单项选择从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑．1. ----- will you be able to finish the job this week?----- ___________ , but I'm not skilled enough, you know.A.I can't say soB.I expect soC. I'm sure soD. I don't know so2. We arrived at the station _______ late, or we the bus.A. too much; would catchB. a little too; had caughtC. much too; would have caughtD. too much; would have caught3. Is it the watch you want ________?A. to have it repairedB. to repair itC. to have repairedD. to have repaired it4. The two thieves fled the town separately, _______ a bag.A. each carryingB. whose that watch isC. whose watch is thatD. whose watch is5. The little boy can't tell ________.A. whose is that watchB. whose that watch isC. whose watch is thatD. whose watch is6. If a baby bird stays _______ for two or three weeks after leaving the nest, it has a fair chance of becoming an adult.A. livingB. livelyC. aliveD. live7. We will not attack ______ we are attacked;if attacked,we will certainly counter-attack.A. ifB. whenC. unlessD. even if8. You can take ______ seat you like.A. no matter whatB. no matter whichC. whatD. whichever9. I ______ to speak to you all these days.A. wantedB. have wantedC. shall wantD. shall be wanting10.A burning cigarette he threw into the wastepaper basket ______ fire to the hotel.A. madeB. setC. causedD. caught11."Do you hear someone knocking at the door?""Yes, I did. I heard him ______ three times."A. knockingB. knockedC. being knockingD. knock12.Peter,John and Tom each ______.A. say they came firstB. says they came firstC. says he came firstD. say came first13.Through long power lines electricity goes ______.A. to the place neededB. there it is neededC. where it is neededD. which it is needed14. ______ from the apple tree.A. It down fellB. there it is neededC. Down fell itD. Fell it down15.The service in this restaurant is very poor;there are not enough waiters to wait ______ customers.A. onB. forC. withD. to第二节：完形填空阅读下面短文，从短文后所给各题的四个选项（A、B、C、D中选出能填入相应空白处的最佳选项，并在答题卡上将该项涂黑．Linda was a few minutes late. Wilson 16 the office when she got there. His secretary told her he 17 back in a few minutes. She 18 sit down and wait for a few minutes in outer office."I'll never get this job," she 19 herself. For a moment she wanted to 20 the building. Just then, Wilson came 21 the door and hurried into his office. A few minutes 22 his secretary took Linda in and introduced her,Linda apologized 23 . Wilson didn't seem to 24 .They chatted casually (随便地) for a few seconds and then 25 . He 26 her letter of application."You've never worked in radio or television before, 27 ? "he said. Now she was 28 that she would not get the job. Wilson asked her 29 questions.30 he seemed impressed with her other qualifications(资格).She was 31 when he asked her if she could start soon. "I wonder if you'd mind 32 next month?" he asked 33 .34 seemed she had got the job 35 .16. A. had left B. has left C. was left D. would be leaving17. A. had been B. came C. was D. would be18. A. should B. had to C. would D. was able to19. A. told B. spoke C. said D. talked20. A. run out B run of C. run out of D. run away21. A. through B. across C. cross D. along22. A. latest B. last C. late D. later23. A. to being late B. for being late C. to be late D. for the late24. A. mind B. listen C. notice D. hear25. A. took down with business B. came down to business C. settled down with business D. got down to business26. filled out B. took out C. sent out D. threw away27. A. haven't you B. do you C. have you D. don't you28. A. even more sure B. much sure C. even sure of D. sure of29. A. a few such B. a few more C. much a few D. more a few30. A. As her surprise B. To her surprised C. For her surprised D. To her surprise31. A. even more surprise B. even much surprise C. even more surprisedD. even much surprised32. A. starting B. to start C. start D. started33. A. by a smile B. with a smile C. by smile D. with smile34. A. It B. This C. That D. He35. A. not at all B. after all C. all D. after that第三部分：阅读理解阅读下列短文,从每题所给的四个选项（A、B、C和D）中,选出最佳选项，并在答题卡上将该项涂黑。
公共英语一级考试模拟题-阅读理解
公共英语一级考试模拟题－阅读理解TEXT ASurprisingly, no one knows how many children receive education in English hospit als, still less the content or quality of that education. Proper records are jus t not kept. We know that more than 850.000 children go through hospital each year, and that every child of school age has a legal right to continue to receive education wh ile in hospital. We also know there is only one hospital teacher to every 1,000 children in hospital. Little wonder the latest survey concludes that the extent and type ofhospital t eaching available differ a great deal across the country. It is found that half the hospitals in England which admit children have no teacher. A further quarter have only a part-time teacher. The special children’s hospitals in major cities do best; general hospitals in the country and holiday areas are worst off. From this survey, one can estimate that fewer than one in five children have som e contact with a hospital teacher—and that contact may be as little as two hour s a day. Most children interviewed were surprised to find a teacher in hospital at all. Theyhad not been prepared for it by parents or their own school. If the re was a teacher they were much more likely to read books and do math or number work; without a teacher they would only play games.Reasons for hospital teaching range from preventing a child falling behind and m aintaining the habit of school to keeping a child occupied, and the latter is of ten all the teacher can do. The position and influence of many teachers was summ ed up when parents referred to them as “thelibrary lady” or just “the helper”. Children tend torely on concerned school friends to keep in touch with school w ork. Several parents spoke of requests for work being ignored or refused by the school. Once back at school children rarely get extra teaching, and are told to catchup as best they can.Many short-stay child-patients catch up quickly. Butschools do very little to e ase the anxiety about falling behind expressed by many of the children interview ed. 66． The author points out at the beginning that___.A. every child in hospital receives some teachingB. not enough is known about hospital teachingC. hospital teaching is of poor qualityD. the special children’s hospita ls are worst off67. It can be inferred from the latest survey that___.A.hospital teaching across the country is similarB. each hospital has at least one part-time teacherC. all hospitals surveyed offer education to childrenD.only one-fourth of the hospitals have full-time teachers68. Children in hospital usual1y turn to___in order tocatch up with the ir school work.A. hospital teachersB. schoolmatesC. parentsD. school teachers69. We can conclude from the passage that the author is___.A. unfavourable towards children receiving education in hospitalsB. in favour of the present state of teaching in hospitalsC. unsatisfied with the present state of hospital teachingD. satisfied with the results of the latest survey短文大意：这篇文章通过一次调查，反映了当孩子们生病住院时，医院里的教学问题。
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2021年公共英语考试一级阅读冲刺模拟试题及
答案
Read the following text and fill each of the numbered spaces with ONE suitable word.
Write your answers on ANSWER SHFFT .
Walking-like swimming，bicycling and running--is an aerobic exercise，(31)___builds the capacity for energy output and physical endurance by increasing the supply of oxygen to skin and muscles.Such exercises may be a primary factor in the(32) ___0f heart and circulatory disease.
As probably the least strenuous，safest aerobic activity，walking is the(33) ___acceptable exercise for the largest number of people.Walking(34) ___comfortable speed improves the efficiency of the cardio respiratory
system(35) ___stimulating the lungs and heart，but at a more gradual rate(36) ___most other forms of exercise.
In one test，a group of men 40 t0 57 years of age，(37) ___at a fast pace for 40 minutes four days a week，showed improvement(38) ___to men the same age on a 30 minute，three—day—a—week jogging program in the same
period.Their resting heart rate and body fat decreased(39) ___.These changes suggest(40) ___of the important-even
vital--benefits walking can(41) ___about.
Walking(42) ___burns calories.It takes 3，500 calories to gain or(43) ___0ne pound.Since a one.hour walk at a moderate pace will(44) ___up 300 t0 360 calories.By walking one hour every other day，you Can burn up a pound—and—a—half monthly，or l8 pounds(45) ___-providing there is no change in your in-take of food.To(46).___weight faster，walk an n hour every day and bum up 3 pounds a month，or 36 pounds a year.
(47) ___your age，right now is the time to give your physical well-being as much thought as you(48) ___to pensions or insurance.Walking is a vital defense(49) ___the ravages of degenerative diseases and aging.It is nature’s (50) ___of giving you a tuneup.
行走就像游泳、骑自行车和跑步一样，是一种有氧运动，可以通过给皮肤和肌肉增加供氧而塑造更大的肺活量和耐力。
这样的运动可能是防止心脏和血液循环疾病的一个主要因素。
作为可能是最不费力气、最安全的有氧运动，绝大多数人认为行走可以接受。
以舒适的速度行走可以通过激活肺部和心脏增强心肺系统的效率，但比起大多数其他的锻炼形式，行走的速度更为舒缓。
在一项测试中，一组40到57岁的男子每周4天快速行走40分钟，与同样年龄每周同期进行3次30分钟慢跑的男子收到了同样的改善效果。
他们的正常心率和身体脂肪明显降低。
这些变化表明行走可以带来重要的，甚至是关键的益处。
行走也可以燃烧热量。
获得或失去一磅重量需要消耗3 500卡热量。
因为以中等速度走一小时的路程将会消耗300到360卡的热量。
每隔一天行走一小时，则每月可以减去一磅半的脂肪，或者说一年可以减去l8 磅脂肪，只要您每日摄入的食物量不变。
为了更快减去体重，每天行走一小时，那么每月就可以减去3磅脂肪，一年就是36磅。
不管您的年龄有多大，现在都应该花同样时间考虑身体和养老金或保险。
行走是一种关键的抵御疾病和抗衰老的方法。
它是自然界给您的一种调整的方式。
答案及解析：
31.which 【解析】此空前一句意为“行走就像游泳、骑自行车和跑步是一种有氧运动”，此空所在句意为“…通过增加给皮肤和
肌肉的供氧而塑造更大的肺活量和耐力。
”由这两句可知，此空应填which，which引导定语从旬，修饰“all—aerobic exercise”。
32.prevention 【解析】本句意为“这样的运动可能是…心脏和血液循环疾病的一个主要因素。
”显然，此空处应填“防止”。
33.most 【解析】由本句中的“the least strenuous，safest…”可知，此空处应填表示程度的级，再由acceptable exercise“接受的运动”可知应填most。
34.at 【解析】“以舒适的速度行走”用英语说应是“walking at a comfortable speed”，介词应用at。
35.by 【解析】显然，由本句句意可知此空处应填一个表示“通过”的介词，应用介词by。
36.than 【解析】由“a more…most other…”可知，此空处显然应填than，短语more than other表示“比其他…更多的…”。
37.walking 【解析】由上两段可知，该短文主要讲述步行的好处，此处做试验，肯定是测试步行。
38.equal 【解析】equal to意为“等于”，由句意“显示出…同样年龄的男人每周在同样时段进行3次慢跑。
”可知，此空必须填“等于”。
39.significantly【解析】由本句句意“他们的正常心率和身体脂肪减少…”可知，此空应填一个副词，修饰decreased，该副词意思应为“显着地，明显地”。
40.some 【解析】由“of the important…benefits”可知，此空应填一个代词，又由于benefits为可数名词复数，故填some。
41.bring 【解析】bring about为介词短语，意为“带来”。
42.also 【解析】本句意为“步行…燃烧脂肪。
”由上几段可知，这是步行的另一个好处，故此空应填“也”。
43.lose 【解析】本句意为“需要3，500卡的能量来获得或…一磅重量。
”显然，此空应与gain相对。
44.burn 【解析】本句意为“因为以中等速度走1小时的路将会…300至360卡的能量。
”显然，此空应填“燃烧”。
“燃烧”英语表达为“burn up”。
45.yearly 【解析】由a pound-and—a—half monthly可知，18 pounds必定比monthly周期长，而且通过计算可知为yearly。
46.lose 【解析】本句意为“为了更快…重量，每天走-4
‘时…”，显然，走路是为了减轻重量，而不是增加重量。
47.Whatever 【解析】由本句句意“…你的年龄，现在都是…”可知，此空应填“无论，不管”。
48.give 【解析】由此空前面的“…to give your…”可知，此空也应填give，意为“花同样时间考虑身体和养老金或保险。
”
49.against 【解析】本句意为“步行是一种关键的防御…疾病和衰老。
”显然，此空处应填“抵抗，抵御”。
50.way 【解析】本句意为“这是自然界给你的一种调整的…”显然，此空应填“方式，方法”。