必修一 Unit 3 Looking good, feeling good 单元检测(A卷——全员必做)
牛津译林版高考英语必修1同步试题Unit 3 Looking good,feeling good 单元检测卷(三)
单元检测卷(三)第一部分听力(共两节，满分30分)第一节(共5小题；每小题1.5分，满分7.5分)听下面5段对话。
每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1．Whenisthemathtest?A．Today.B．Tomorrow.C．Nextweek.2．Whatdoesthemanwanttobuy?A．Ashirt.B．Asuit.C．Atie.3．WhatdoesthewomanthinkofLinda’sbrother?A．Heisfriendly.B．Hedoesn’tliketotalk.C．Heisnotapleasantperson.4．Whattimeisitnow?A．6：30p．m.B．7：00p．m.C．7：30p．m.5．Whatkindofmoviedidthespeakerswatch?A．Ahorrormovie.B．Aromanticmovie.C．Anactionmovie.第二节(共15小题；每小题1.5分，满分22.5分)听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。
每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6．Howlongiseachclassperiod?A．Onehour.B．Twohours.C．Threehours.7．Whatistherelationshipbetweenthespeakers? A．Classmates.B．Motherandson. C．Teacherandstudent.听第7段材料，回答第8、9题。
8．Whatisthewomanworriedabout? A．Theradioisexpensive. B．Theradiowon’tbeloudenough. C．Theradiomightbreakunderthewater. 9．Whencanthewomanreturntheradio? A．Within3days.B．Within7days.C．Within30days.听第8段材料，回答第10至12题。
2016-2017学年 译林版 必修1 unit3 looking good , feeling good 单元测试 (22)
Unit 3 Looking good，feel good 单元测试Class: Name: Marks: 满分（120）第一部分阅读理解(共两节, 满分40分)第一节(共15小题; 每小题2分, 满分30分)ABruce had me up to three miles a day, really at a good pace. We’d run the three miles in twenty-one or twenty-two minutes. Just under eight minutes a mile.So this morning he said to me, 揥e抮e going to go five.?I said, 揃ruce, I can抰go five. I抦a lot older than you, and I can抰do five.?He said, 揥hen we get to three, we抣l shift clothes and it抯only two more and you抣l do it.?u抣l do it.??I said, 揙K. I抣l go for it.?So we got to three. We went into the fourth mile and I was okay for three or four minutes, and then I really began to give out. I was tired. My heart was pounding. I couldn抰go any more and so I said, 揃ruce, if I run any more, I抦liable to have a heart attack and die.?He said, 揟hen die.?It made me so mad that I went the full five miles. e miles.Afterward I went to a shower and I wanted to talk to him about it. I said, 揥hy did you say that??He said, 揃ecause you might be dead as well. Seriously, if you always put limits on what you can do, physical or anything else, it抣l spread over into the rest of your life. It抣l spread into your work, into your morality, into your entire being. There are no limits. There are are plateaus (停滞期), but you must not stay there. You must go beyond them. If it kills you, it kills you. A man must constantly exceed his level.”1. Which of the following words can best describe Bruce?A. Strong-willed.B. Childish.C. Cruel.D. Rude.2. Why did the author can finish the last two miles at last?A. Because Bruce抯words excited him.B. Because the author had full confidence.C. Because the author wanted to exceed himself.D. Because the author was afraid of being laughed at.3. The author mainly tells us .A. bad habits spread quicklyB. people always don抰know their real levelssC. a man must continually go beyond his levelD. Bruce has been the pride of the whole worldBElizabeth Barrett was born at Coxhoe Hall, Durham, England in 1806. She was educated at home, and spent much of her childhood in the countryside. It was a very happy childhood until she became seriously ill at the age of 15.In 1832, Elizabeth moved with her family to Sidmouth, Devon and then to London. After moving to London, Elizabeth began publishing her own writings. In 1833, Elizabeth抯translation of Prometheus Bound (《被缚的普罗米修斯》) received high praise.In 1845, Elizabeth received a telegram from the poet Robert Browning. It says “I love your works wit h all my heart, dear Miss Barrett —and I love you, too.” The two met several months later and fell in love. He continued to write to her and they were engaged in 1845.Elizabeth’s father disapproved of the courtship (求婚) and engagement. In 1846, Elizabeth and Robert were secretly wed. Soon the couple ran off to Italy, where Elizabeth’s health improved. She continued to livein the villa (别墅) of Casa Guidi for the rest of her life.In 1850, Elizabeth’s best-known book of poems Sonnets(十四行诗) from the Portuguese was published, recording the growth of her love for Robert. Besides, many of her poems protest (抗议) what she considered unjust social conditions. She also wrote poems asking for political freedom for Italy and other countries controlled by foreign nations.In 1861, Elizabeth Barrett Browning died at the age of 55. Her son was born in 1849 and her husband returned to England after her death.4. Elizabeth began publishing her own writings when .A. she was in LondonB. she was living in the countrysideC. she met Robert BrowningD. she translated Prometheus Bound5. Robert Browning sent a telegram to Elizabeth Barrett to .A. ask her to marry himB. ask to meet her face to faceC. give her some suggestions on writingD. express his love for her and her works6. We can infer from the passage that .A. Elizabeth抯Sonnets protests many unjust social conditionsB. Elizabeth married Robert against her father抯willC. Elizabeth抯marriage was a failureD. Elizabeth stopped her writing after she got married7. Which of the following shows the correct order of events?a. Elizabeth got seriously ill.b. Elizabeth gave birth to her son.c. Elizabeth and Robert Browning got engaged.d. Elizabeth and Robert Browning married.e. Elizabeth had her best-know poems published.A. edacbB. aecdbC. acdbeD. cdebaCThere once was a farmer who grew award-winning corn. This year he entered his corn in the state fair where it won a blue ribbon (缎带).A newspaper reporter interviewed him and learned something interesting about how he grew it. The reporter discovered that the farmer shared his seed corn with his neighbors.“How can you afford to share your best seed corn with your neighbors when they are entering the corn c ompetition with yours each year?” the reporter asked.“Why sir,” said the farmer, “didn’t you know the wind picks up pollen (花粉) from the ripening (成熟的) corn and takes it from field to field? If my neighbors grow inferior (低劣的) corn, cross-pollination will steadily reduce the quality of my corn. If I am to grow good corn, I must help my neighbors to grow good corn.”He is very much aware of the connectedness (连通性) of life. His corn cannot improve unless his neighbors’ corn also improves.So it is with our lives. Those who choose to live in peace must help their neighbors to live in peace. Those who choose to live well must help others to live well, for the value of a life is measured by the lives it touches. And those who choose to be happy must help others to find happiness, for the welfare (幸福) of each is bound up with the welfare of all.The lesson for each of us is this: if we are to grow good corn, we must help our neighbors to grow good corn.8. How did the reporter feel when he learned the farmer shared his seed corn with others?A. Worried.B. Puzzled.C. Disappointed.D. Excited.9. The farmer shared his seed corn in order to .A. earn more moneyB. help others improve their cornC. make pollination easierD. keep the quality of his corn10. The author would probably agree that .A. people should help each other in lifeB. people should treat each other equallyC. people should choose to be happyD. people should depend on themselves11. What would be the best title for the passage?A. The best way to grow cornB. Neighbors?friendshipC. Everything is connectedD. Live in peaceDWhen you move to a new place, you will face a lot of challenges. Your accent might be different from everybody else抯. Your clothes may also be very different from those around you. Sometimes it can be really difficult being different. But some people at your school will want to get to know you because your differences seem really cool. Other people, though, might try to give you a hard time..Some of the people who may try to tease (戏弄) you might do so because of stereotypes (固有观念). Stereotypes are simplified ideas, and often changes in a negative way, that one group of people holds about another. An example of a stereotype would be people who are overweight are lazy. Like this example, stereotypes are often wrong, and they can be hurtful.If someone bothers you, walk away. Don’t give the person the satisfaction (满足感) of seeing that his or her comments bother you. If you can’t shake off the comm ents, talk about that with your friends or parents. The people who love you and know that you’re a great person can often help you understand that the bully (凌霸) has no idea. It also helps to find people at school to hang out with who are cool enough not to care what the bully says.As much as you would hate to be boxed into a certain type, try and get away from doing the same to others. These characterizations (界定法) are just as unfair as the ones people might use to describe you. And beliefs in these can get in the way of making some good friends.12. Some people may give you a hard time because .A. you are different from othersB. you seem really coolC. you are excellentD. you are hard to get along with13. If you have a stereotype of a person, you will .A. like to get close to himB. help him to know himself betterC. look down upon himD. think of him in a positive way14. What should you do when someone bothers you?A. Fight back firmly.B. Change your usual manners.C. Teach him a good lesson.D. Try to avoid him as much as possible.15. The passage mainly tells us .A. how to beat a bullyB. how to deal with teasingC. who to stay with at schoolD. the harmful effects of stereotypes第二节(共5小题; 每小题2分, 满分10分)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。
高中英语必修1《Unit 3 Looking good, feeling good Englisn Test For Unit 1II》(译林版)【含答案】
I、单项选择：从A、B、C、D四个选项中，选出最佳选项。
1、He wanted to know the reason ___ I was late.A. asB. forC. whyD. because2、The sun heats the earth, ___ is very important to living things.A. thatB. whatC. whichD. where3、I shall remember the days ____ we studied together.A. thatB. whichC. whereD. when4、There isn’t so much noise in the country ___ in big cities.A. thatB. whichC. asD. what5、Do you know who lives in the building ____ there is a well?A. in front of itB. in front of whoseC. in front of whichD. in front which6、It is known that if a man ______ achieve much, he must try as hard as he can.A. is toB. is about toC. willD. should7、If the truck drivers need any help, they will only ______ Whites to help them.A. turn toB. depend onC. ask forD. look for8、She _____ us if we asked her, but we didn’t.A. could helpB. helpedC. would have helpedD. should have helped9、The naughty boy is considered ______ the wallet.A. stealingB. to stealC. to be stealingD. to have stolen10、I regret _____ the truth that I don’t know the answer, either.A. to tellB. having toldC. toldD. to be telling11、Why don’t you put the meat in the fridge? It will _____ fresh for several days.A. be stayedB. stayC. be stayingD. have stayed12、We can’t figure out ____ quite a number of insects, birds and animals are dying out.A. thatB. asC. whyD. when13、I am ______ of what you have said just now.A. shamefulB. shameC. shamedD. ashamed14、The girls enjoy taking some ______ after school. They often do gymnastics ____ on mat.A. exercises…exercisesB. exercise…exerciseC. exercises …exerciseD. exercise …exercises15、—What ’s the matter with your car?—It just _______ .A. doesn’t startB. didn’t startC. won’t startD. hasn’t started16、By studying hard, he finally _____ .A. recovered losing timeB. recovered lost timeC. make missed timeD. get missed time17、This dictionary _____ all the words we use every day.A. containsB. holdsC. includesD. owns18、Only Jack can _____ me in playing tennis. Which answer is wrong?A. matchB. beatC. defeatD. win19、Seldom ______ to the cinema.A. he has goneB. has he goneC. he goesD. goes he20、The pocket radio was ____ by my little son, and I have to have it repaired.A. hurtB. damagedC. woundedD. destroyed21、Mr. Smith, ____ of the ____ speech, started to read a novel.A. tired … boringB. tiring …boredC. tired … boredD. tiring … boring22、The new law will come into ______ on the day it is passed.A. effectB. useC. serviceD. exercise23、What! _____ to go there with _____? No!A. I ; himB. I ; heC. Me ; himD. Me ; himself24、Loulan City is not at all _____ a traveler who has never seen the desert before can expect.A. thatB. whatC. whichD. where25、—How is everything, Betty?—______ .A. Not too well, I’m afraidB. Not too badC. Very well, thank youD. It’s all right, I’m afraid26、—I put him down for a well educated man.—______ ?—I mean that he is a well-educated man.A. I beg your pardonB. Speak louder, will youC. What’s thatD. Will you repeat word for word27、—How long do you think it is ____ he arrived here?—No more than half a year.A. whenB. thatC. beforeD. since28、—What a hot day! Have you taken a bath?—Yes, but I’d like to take _____ after finishing my homework.A. itB. thatC. oneD. another29、—I took salt for sugar this morning.—______ .A. Does it taste good?B. WonderfulC. Oh, my goodnessD. It doesn’t matter30、—Is your father still in bed?—No, he ____ and _____ for you in the dining-room now.A. is already up ; waitingB. has got up ; waitingC. got up ; waitedD. is already up ; waitsII、完型填空：阅读下列短文，掌握其大意，然后从3—50各题所给的四个选项(A、B、C 和D)中，选出最佳选项。
(教参)必修1Unit3LookinggoodfeelinggoodWord版含解析
□slim adj.□ashamed adj.□weight-loss n．□pill n.□kilogram n. □work v i. □energetic adj. □recover v i.& v t.□liver n. □failure n. □chemical n．& adj. □painful adj.□pressure n. □overweight adj. □waist n. □athlete n.□achievement n. □post n. □membership n. □branch n.□downtown ad v. □freeway n. □midnight n. □marathon n.□expert n. □chip n．(通常用复数chips) □sadness n. □comfort n.□useless adj. □approximately ad v. □skip v t.& v i. □properly ad v.□mostly ad v. □system n. □skin n. □peaceful adj.□amount n.1．(2020·天津卷)Making a full-length clay(粘土) figure would not exhaust my strength—and that is what I intend to do！n.雕像2．(2019·全国卷Ⅱ) “I figured whoever lost the dog was probably just as close to it as I am to my dogs，” says Ehlers.v t.推测，判断，认为3．(2018·江苏卷) It's vital that new compulsory age-appropriate relationship and sex education lessons in England should help equip children to deal with the growing demands of social media.v t.使有能力，使能够胜任4．(2018·江苏卷)The youngsters admitted planning trips around potential photo-opportunities and then messaging friends—and friends of friends—to demand “likes” for their online posts.n. 帖子5．(2017·天津卷)What would she think if she knew that her figure is captured (捕捉) and frozen on some stranger's bedroom wall? n．影像[单词拼写·运用]核心单词语境运用1．figure n．体形；数字；人物2．suffer v t.& v i.受苦；遭受(磨难) 3．count v i.认为，算作；重要v t.数数用所给词的适当形式填空。
高中英语 Unit 3 Looking good,feeling good综合检测 牛津译林版必修1
Unit 3 Looking good，feeling good(时间：100分钟；满分：100分)Ⅰ.单项填空(共15小题；每小题1分，满分15分)从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．(2012·安徽高考)Carl is studying ________ food science at college and hopes to open up ________ meat processing factory of his own one day.A．/；a B．/；the C．the；a Ds．the；the 2．It doesn't matter where charities get their money from; what________is what they do with it.A．counts B．considersC．cares D．functions3．My grandfather is as________as a young man and hates sitting around doing nothing all day.A．enthusiastic B．energeticC．talkative D．sensitive4．With the belief that tobacco________something bad for health, she________a project to help people stop smoking.A．contains; works on B．contains; works outC．includes; works on D．includes; works out5．The gate will close________two minutes before the train leaves.A．actually B．approximatelyC．relatively D．reliably6．I must have been a great________to my parents in those hard days, for I never failed to live up to their expectations.A．achievement B．comfortC．disappointment D．support7．(2013·黄石高一调研)________improve her English, Jenny bought a lot of tapes for herself.A．So as to B．In order thatC．So that D．In order to8．The chance should be made________， since you have got it.A．up of B．the most ofC．best of D．a good use of9．For the reason________，I can't finish it________.A．of my own；with my ownB．on my own；of my ownC．of my own；on my ownD．of my own；to my own10．—________in such a hurry?—I don't know.She might have been running to catch the train.A．Why do you think was JaneB．Why do you think Jane wasC．Do you think why Jane wasD．Do you think why was Jane11．None of them could understand your meaning，________？A．could they B．didn't heC．do they D．could it12．He used to________cards, but now he is used to________a walk after supper.A．play; taking B．playing; takeC．play; take D．playing; taking13．—You forgot your purse when you went out.—Good heavens，________.A．so did I B．so I didC．I did so D．I so did14．—Most of my classmates failed in the first exam. It seems there is no hope for us to make any progress.—Cheer up.________.A．Great minds think alikeB．Failure is the mother of successC．Good beginning, half doneD．Many hands make light work15．Rose couldn't concentrate________what she was doing________her family were watching TV.A．to；when B．on；whileC．for；when D．in；whileⅡ.完形填空(共20小题；每小题1分，满分20分)阅读下面短文，掌握其大意，然后从16—35各题所给的四个选项(A、B、C、D)中，选出最佳选项。
2019届一轮复习译林版必修一Unit 3 Looking good, feeling good单元测试 (1)
必修一Unit 3 Looking good, feeling good单元测试Ⅰ品句填词1．Use your good ____________(判断) before you decide.答案：judgement2．The ____________ (多数) of students find it hard to accept the new theory.答案：majority3．From his ____________(害怕的) look，I guess he must have found something horrible.答案：frightened4．No one is to leave the building without my ____________(允许)．答案：permission5．Please reenter your password to____________(确认) it is correct.答案：confirm6．He envies her the position she has achieved in her ____________(职业)．答案：professionⅡ单句改错1．I’d say she is pretty rich, judge from her clothes.____________________答案：judge→judging2．The project，conducting by our headmaster，has won the students’support.____________________答案：conducting→conducted3．There was frost on the ground，confirmed that fall had arrived in Canada.____________________答案：confirmed→confirming4．This frighten boy whose mother was lost in the disaster is looking for her now.____________________答案：frighten→frightened5．We view the holiday for a time for recreation，but she has a different idea.____________________答案：第一个for→asⅢ完成句子1．就我个人而言，这部电影糟糕透顶。
江苏省靖江高级中学高中英语牛津版必修1《Module1 Unit3 Looking good,feeling good》单元试卷含答案
Module1Unit3Unit3 Looking good,feeling good测试一、单项选择。
（共15分，每小题1分）1. –What _____ it is to play with computer games！--Oh no！It’s a waste of time.A. a funB. a great funC. funD. funny2. –How do you keep_____？--I keep _____ every day.A. fit; working hardB. fit; working outC. fitting; working outD. fitting; working hard3. Our school volleyball team has _____ their training to prepare for the coming match.A. stepped upB. stepped toC. stepped intoD. stepped on4. I’ll never forget the days _____ I spent on the farm during my childhood.A. whenB. thatC. in whichD. on which5. There is no light in the dormitory. They must have gone to the lecture,________？A. didn’t theyB. don’t theyC. mustn’t theyD. haven’t they6. Not only food and clothing but also medical treatment has been ______ the people who need it in the flooded areas.A. supplied withB. provided forC. set out toD. turned in7. It was the way _____ he walk _____ makes people laugh.A. which; thatB. that; whichC. which; whichD. that; that8. –Shall we go out for a walk after supper?--__________. Walking after meals does a lot of good to health.A.I couldn’t agree more.B. I’m afraid not.C.I believe not.D.I don’t think so.9. I ________ to give you a birthday present, but I was short of money then.A. intendedB. have intendedC. had intendedD. was intending10. The old lady has two daughters, _______ are famous actress.A. both of themB. both of whomC. each of themD. none of whom11. The ______ bodies _______ the world ______ mummies.A.preserving; are known to; asB.preserved; are known as; toC.preserving; are known as; toD.preserved; are known to; as12. With a lot of difficult problems _______, the newly-elected president is having a hard time.A. settledB. settlingC. to settleD. being settled13. I’m considering ______ a washing machine, which is considered ______ a great help to my wife.A. buying; to beB. buying; beingC. to buy; beingD. to buy; to be14. We _____ the problem for quiet some time, but we _____ any conclusion yet.A. had discussed; haven’t reachedB. discussed; haven’t reachedC. have been discussing; haven’t reachedD. have discussed; haven’t been reaching15. The conference has been held to discuss the effects of tourism ______ the wild life in the area.A. inB. onC. atD. with二、单词拼写。
牛津译林版高中英语必修一Unit3+Looking+good,+feeling+good+Section+A同步练测(译林版必修1).docx
高中英语学习材料***鼎尚图文理制作***Unit 3 Looking good, feeling good Section A Welcome to the unit , Reading & Word powerⅠ.单词拼写（共10小题；每小题1分，满分10分）1.They _______(维持)friends for years.2. How do you manage to stay so s______ ?3.The lady does exercise every morning toimprove her f .4.The old man is always full of e .5.After several days of fever, the old woman beganto （恢复）.6. He was a f from start to finish.7.What does that box （包括）?8.Nowhere other than in the UK can youe_______ such different weather in a day!9.The patient is receiving a t for cancer.10.The storybook is well ________（值得）reading. Ⅱ.用方框中所给短语的适当形式填空（共5小题；每小题1分，满分5分）1.You should ________have a try.2.The young woman is on a diet in order to__________.3.Whatever the weather is like, my friends__________in the gym every weekend.4.The boss ___________meet you.5. I ________my friend Tom last week.Ⅲ.句子翻译（共5小题；每小题1分，满分5分）1. 你没有必要为了你的外表而羞愧。
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Looking good, feeling good 单元检测(A卷——全员必做) Ⅰ.单项填空 1．(2013·南京四校联考)She doesn't think she is ______ failure; it is said that ________ failure is the mother of success. A．a; a B．/; a C．a; / D．the; / 2．(2012·江苏安宜中学模拟)—Must you play the guitar so loudly? I can hardly ________ my book. —I'm sorry.I didn't know you were reading. A．pay attention to B．concentrate on C．rely on D．catch sight of 3．It should be emphasized that improving the country through technology has great potentials ________ food development in China. A．in spite of B．in favor of C．in terms of D．in place of 4．(2013·江西八校联考)Simon is a(n) ________ person, so he will come here on time as he promised. A．diligent B．attractive C．punctual D．energetic 5．—My room gets very cold at night. — ________. A．So is mine B．So mine is C．So does mine D．So mine does 6．They use computers to keep the traffic ________ smoothly. A．being run B．run C．to run D．running 7．The doctor told her that it would not take her long to ________ from her illness, which made her relieved. A．suffer B．separate C．escape D．recover 8．(2012·安徽模拟)After decades of effort, the city is still trying to ________ how to ban smoking in public places. A．look through B．get through C．figure out D．take out 9．(2013·岳阳质检)He can't have been to your home; he doesn't know your address, ________？ A．doesn't he B．does he C．can he D．can't he 10．(2013·南师大附中模拟)Mo Yan won the Nobel Prize for Literature, ________ encouraged all of us. A．that B．what C．it D．which 11．(2013·西安质检)No wonder he knows so much.Large amounts of his pocket money ________ spent on books. A．is B．are C．were D．was 12．I'm not satisfied with my fatness so I ________ regularly to keep fit. A．get off B．speed up C．turn on D．work out 13．(2012·龙岩质检)During the war his house was ________ by a bomb and he lost almost ________. A．damaged; anything B．destroyed; everything C．injured; something D．hurt; anything 14．________ WeChat's popularity grows, it will inevitably cut into the amount of time users are putting into Weibo. A．Unless B．With C．Though D．As 15．(2013·福州模拟)—Do you know if Linda is willing to take charge of the program? — ________， does it? A．It takes no time B．It counts for nothing C．It doesn't make sense D．It doesn't hurt to ask Ⅱ.阅读理解 A (2013·江苏丹阳中学模拟)Bad teeth can be painful and worse.They can even be deadly.Infections (感染) of the gums (牙龈) and the teeth can cause bacteria (细菌) to go into the blood system.Those bacteria can increase the chance of a heart attack and worsen the effects of other diseases.And adults are not the only ones at risk. For example, in 2007, doctors in the Washington area said a boy died when a tooth infection spread to his brain.They said it might have been prevented, had he received the dental care (牙齿保健) he needed.He was twelve years old. Experts at the National Institutes of Health say good dental care starts at birth.Breast milk, they say, is the best food for the healthy development of teeth.Breast milk can help slow the growth of bacteria and acid production in the mouth. But dentists say a baby's gums and early teeth should be cleaned after each feeding.Use a cloth with a little warm water.Do the same if a baby is fed with a bottle.Experts say if you decide to put your baby to sleep with a bottle, only give the child water. When baby teeth begin to appear, you can clean them with a wet toothbrush.Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently. The use of fluoride (氟化物) to protect teeth is common in many parts of the world.For example, it is often added to drinking water supplies.The fluoride mixes with enamel (珐琅质), the hard surface on teeth, to help prevent holes from forming. 1．Which of the following can be used as the title of the passage? A．Concerns for Healthy Teeth of the Young B．Importance of Healthy Teeth C．Causes of the Teeth Problem D．Solutions to the Teeth Problem 2．What's the main idea of Paragraph 4 and 5? A．How to develop babies' teeth. B．Why to protect babies' teeth. C．How to keep babies' teeth clean. D．Why to keep babies' teeth clean. 3．The passage indicates that ________. A．enamel is most widely used to protect teeth in the world B．bad teeth may affect the health of adults and the young C．breast milk can cure babies' bad teeth D．babies' teeth should be brushed once per day 4．The writer uses the boy's death as an example to show that ________. A．not only adults but the young may suffer from the teeth problem B．babies with bad teeth can easily die C．the doctors should be responsible for the case D．the boy was not fed with his breast milk B (2013·南京十三中质量检测)Looking for a new weight loss plan? Try living on the top of a mountain.Mountain air contains less oxygen than air at lower altitudes, so breathing it causes the