1、2014-2015学年度第二学期八县（市）一中期中联考高中 二 年 英语 科试卷 第卷（共90分）第一部分 听力（共两节20小题，每小题1.5分，满分30分）第一节 (共5小题；每小题1.5分，满分7.5分)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. What will the man probably do?A. Keep the woman company
2、.B. Listen to more music. C.Download songs.2. Why didnt the man sleep well? A. He had a fight with the couple next door. B. The walls couldnt keep the sound out. C. He had a throat problem all night.3. Who will make the final decision about going abroad? A. David.B. Teachers. C. Ms. Simon.4. What do
3、es the man mean? A. There is no ladys room here. B. The ladys room is being built. C. The ladys room is not available now. 5. What does the woman suggest the man do? A. Go to the doctors.B. Have a good rest. C. Take more medicine.第二节 （共15小题；每题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
4、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，每小题将给出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至7题。6. Whats the weather been like these days?A. Sunny. B. Windy. C. Snowy.7. What will the temperature be tomorrow? A. 1. B. 4 . C. 7 .听第7段材料, 回答第8至10题。8. How did the man know about the film?A. His friend told him
5、. B. He read about it in a magazine.C. He has watched the film already.9. When will they meet to watch the film? A. At 7:35.B. At 7:40. C. At 7:55.10. Why does the woman agree to see the film? A. The story is funny. B. Its good for her English.C. The actors are famous.听第8段材料, 回答第11至13题。11. What are
6、the two speakers mainly talking about? A. The way to get help from friends. B. The relations between friends. C. Asking their friends for help.12. What does the woman think of their friends? A. Indifferent.B. Friendly. C. Generous.13. What can we infer from the conversation? A. Theyll get help from
7、their friends this time. B. The man looks at things from the bright side. C. The woman expects much of her friends.听第9段材料, 回答第14至16题。14. What present will the man give his wife? A. A new dress. B. A birthday cake. C. Purple roses.15. Who will cook the special dinner? A. The womans mother. B. The wom
8、ans father.C. A Spanish friend.16. Where does the conversation probably take place? A. At home. B. At a supermarket. C. At a restaurant.听第10段材料, 回答第17至20题。17. Who is the speaker? A. A scientist. B. A doctor.C. A reporter.18. Who will suffer more from a cold? A. Children with weak lungs. B. Children
9、with smoking parents. C. Children with bad living conditions. 19. How do the researchers feel about the way air pollution affects lung development? A. Positive. B. Uncertain. C. Negative.20. What does the speaker mainly talk about? A. The reasons for dirty air. B. Children with lung problems. C. Air
10、 pollution and childrens health.第二部分 阅读理解（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑。 AIf it really is whats on the inside that counts, then a lot of thin people might be in trouble. Some doctors now think that the internal(内部的) fat surrounding important organs like the heart o
11、r liver could be as dangerous as the external fat which can be noticed more easily. “Being thin doesnt surely mean you are not fat,” said Dr Jimmy Bell at Imperial College. Since 1994, Bell and his team have scanned nearly 800 people with MRI machines to create “fat maps” showing where people store
12、fat. According to the result, people who keep their weight through diet rather than exercise are likely to have major deposits(储蓄, 沉淀物)of internal fat, even if they are slim. Even people with normal Body Mass Index scores can have surprising levels of fat deposits inside. Of the women, as many as 45
13、 percent of those with normal BMI scores (20 to 25) actually had too high levels of internal fat. Among men, the percentage was nearly 60 percent. According to Bell, people who are fat on the inside are actually on the edge of being fat. They eat too many fatty and sugary foods, but they are not eat
14、ing enough to be fat. Scientists believe we naturally store fat around the belly first, but at some point, the body may start storing it elsewhere. Doctors are unsure about the exact dangers of internal fat, but some think it has something to do with heart disease and diabetes(糖尿病). They want to pro
15、ve that internal fat damages the bodys communication systems. The good news is that internal fat can be easily burned off through exercise or even by improving your diet. “If you want to be healthy, there is no shortcut. Exercise has to be an important part of your lifestyle.” Bell said.21. What is
16、the passage mainly about? A. Internal fat leads to many diseases. B. Internal fat is of no importance. C. Thin people may be fat inside. D. Thin people dont have diabetes.22. According to the passage, which of the following is WRONG? AExercise can help to reduce the internal fat. BPeople with heart
17、disease all have internal fat. CMen are more likely to have too much internal fat. DPeople can get rid of internal fat by improving diet. 23. From the last paragraph, we can find that _. Ainternal fat leading to disease has been proved Bit is easier to burn off internal fat than external fat Cthin p
18、eople usually have internal fat even if they are slim Dexercise plays an important role in peoples life for keeping healthy24. The underlined part in the last paragraph means _. A. long road B. clear differenceC.short distance D. easy way BIt was already dark when an old man arrived at a small town.
19、 He found an inn and wanted to stay there for the night. After he had entered his room, the owner said to his wife, “Look at his luggage, dear. Its heavy and the old man is so careful about it that he takes it wherever he goes. Im sure there are lots of valuable things in it. I want to steal some wh
20、en he is asleep.” “No, no,” said the woman. “He must search for what was gone tomorrow morning. Then hell take you before the judge.” They thought and at last the woman had an idea. “We have forgetful grass,” said the woman, “Why not put some into his food? If he has the food, he will forget to take
21、 his luggage away.” “How clever you are! My dear.” said the owner, “Dont forget it when you prepare supper for him.” The old man had the food with the forgetful grass and went to bed. The next morning, when the owner got up and hurried to the room that the old man lived in, he found the door was ope
22、n and the old man had left with his bags. He woke his wife up and said angrily, “What a fool! Your forgetful grass isnt useful at all.” “No, no,” said the woman. “I dont think so. The forgetful grass does always work. He must have forgot something.” “Oh, Ive remembered!” The owner cried out suddenly
23、, “He forgot”25. The owner and his wife put the forgetful grass into the food because _. Athe old man always forgot somethingBthey wanted to make the food betterCthey hoped the old man would leave the bags in the innDthey wanted to know if the grass was useful26. According to the passage the old man
24、 forgot _. Ato take his bags awayBto tell the owner when he leftCto close the door when he went to sleepDto pay them the inn money27. Which of the following statements is TRUE according to the passage?ABoth the owner and his wife were clever.BThe owner of the inn got nothing from the old man.CThe ol
25、d man left the inn without his bags.DThe woman forgot to put the grass into the food. CThanksgiving time came and all the relatives were gathered around the long table, or seated behind TV traysThe television was on and some folks were watching it while talking with one anotherSomething on televisio
26、n got their attention and one of the adults said, Listen at it! Someone else repliedWell, if that dont beat all Simple phrases were spoken by folks whose language was simple and briefThey had several idioms that were just as colorful phrases and words that brightened the room and warmed the conversa
27、tionIn school we were taught to speak differentlyThe way our relatives spoke was discouragedSometimes our parents would say things we werent taught in schoolTheyd often correct themselves, as if getting rid of a mistakeOf course we learned some of their phrases and used themThey were comfortable wor
28、ds to pronounce, familiar Our fathers side of the family was from Arkansas and Oklahoma and they spoke with the accents native to their birth statesTheir voices musical and often high , it was easy to pick up that effect in our own speech and at school my brother and I were often teased for the way
29、we spokeOur mothers side of the family came from Illinois and they had a tendency to talk fastThey had an accent, too, and my brother and I added that to our own speech, confusing the kids at school all the moreOur fathers side of the family loved to laugh and have a good timeOur mothers side of the
30、 family was more serious about how they took life in; their joys more silently experienced and enjoyedIt was a rich picture of culture and it gave my brother and me a colorful view in life Thanksgiving holiday was always an easy comfortable going dayIt was the first real holiday of the season when e
31、veryone came together in one place, and a good time was spent happily together by all28From the text we can know that _ Aparents were worried that their relatives might affect their kids language Bparents tried to avoid affecting their kids with their dialects Cparents didnt allow their children to
32、speak dialects Dparents thought the language taught in school was the best29It can be inferred from the text that _ Athe language used by his fathers side of the family was fastBhis mothers side of the family spoke in a high voiceCEnglish taught in school is different from that used in daily life Dt
33、he writer and brother were laughed at at school because of their poor English30Why did the writer and his brother puzzle other kids at school by their speeches? AThey had relatives from different parts of Europe BThere were many mistakes in their language CThey added some dialects in their speechesD
34、Their speeches were lively and colorful31Whats the writers attitude towards dialects? AHe liked them very much BThey should be used everywhere CThey should be taught in school D They were not accepted by others D Homestay provides English language students with the opportunity to speak English outsi
35、de the classroom and the experience of being part of a British home.What to ExpectThe host will provide accommodation and meals. Rooms will be cleaned and bedcovers changed at least once a week. You will be given the house key and the host is there to offer help and advice as well as to take an inte
36、rest in your physical and mental health.Accommodation ZonesHomestays are located in London mainly in Zones2, 3 and 4 of the transport system. Most hosts do not live in the town centre as much of central London is commercial and not residential(居住的). Zones 3 and 4 often offer larger accommodation in
37、a less crowded area. It is very convenient to travel in London by Underground.Meal Plans Available Continental Breakfast Breakfast and Dinner Breakfast, Packed Lunch and DinnerIts important to note that few English families still provide a traditional cooked breakfast. Your accommodation includes Co
38、ntinental Breakfast which normally consists of fruit juice, cereal（谷物类食品），bread and tea or coffee. Cheese, fruit and cold meat are not normally part of a Continental Breakfast in England. Dinners usually consist of meat or fish with vegetables followed by dessert, fruit and coffee.FriendsIf you wish
39、 to invite a friend over to visit, you must first ask your hosts permission. You have no right to entertain friends in a family home as some families feel it is an invasion of their privacy.Self-Catering Accommodation in Private HomesAccommodation on a room-only basis includes shared kitchen and bat
40、hroom facilities and often a main living room. This kind of accommodation offers an independent lifestyle and is more suitable for the long-stay student. However, it does not provide the same family atmosphere as an ordinary homestay and may not benefit those who need to practise English at home qui
41、te as much.32.The passage is probably written for_.A. hosts willing to receive foreign studentsB. English learners applying to live in English homes C. travellers planning to visit families in LondonD. foreigners hoping to build British culture33.Which of the following will the host provide?A. Physi
42、cal training. B. Medical care. C. Free transport. D. Rooming cleaning 34.What can be inferred from Paragraph3?A. The business centre of London is in Zone 1B. Zone 4 is more crowded than Zone 2.C. Hosts dislike travelling to the city centre.D. Accommodation in the city centre is not provided.35.Why d
43、o some people choose self-catering accommodation?A. To experience a warmer family atmosphere.B. To enrich their knowledge of English.C. To enjoy much more freedom. D. To entertain friends as they like第三部分 : 完形填空 (共20小题 , 每小题1. 5分, 满分30分)阅读下面短文 , 掌握其大意 , 然后从每题所给的 A , B , C , D四个选项中选出最佳答案 .I hate spid
44、ers, flies, ants and heightsBut one of my greatest 36 was riding a bike due to my deformed (畸形的)feet. The good news is that I can 37 even though my parents were told at my birth that walking was impossible. In spite of this, my dad was still 38 to get me on a bike. Unfortunately, on the first 39 I f
45、ell, breaking a bone. I became 40 . Eight years later I had a strong 41 to ride. So I went for bicycle riding lessons and by my second hour I could ride. I could not 42 that I , Hannah, was riding a bike without falling!I knew that I would 43 let fear win and not try to ride, or try again and potent
46、ially fall. I wasnt going to allow fear to 44 from doing something 45 is so easy for others to learn.Just a few days later, I really was on top of the world. 46 , I was 15,000 feet in the air and ready to jump out of an airplane. I 47 my parents to let me go skydiving as an 18th birthday present. My
47、 48 , Alex, named me the “Rule Breaker” after I told him about my physical 49 . As we boarded the plane, he whispered, “All right Hannah, lets 50 some rules together.” When we reached 15,000 feet, Alex and I were the first people 51 the airplane.No matter what disability, disorder or other 52 tries
48、to rob you, it is not for them to determine what you can and cannot do; it is up to YOU to 53 your future. So take a healthy 54 and be your own rule breaker. I am no longer Hannah who is 55 ; I am Hannah who jumped out of a plane and can ride a bike. I can and so can you!36. A. hobbiesB. dreams C. f
49、ears D. regrets37. A. skate B. walk C. speak D. run38. A. preparedB. honored C. interested D. determined39. A. attempt B. plan C. flightD. driving40. A. availableB. lucky C. smartD. desperate41. A. strength B. idea C. talentD. desire42. A. believeB. suppose C. hope D. think43. A. neither B. either C
50、. bothD. all44. A. protectB. separateC. preventD. tell45. A. which B. that C. / D. who46. A. In return B. In particularC. In time D. In fact47. A. promised B. permitted C. convinced D. allowed48. A. instructor B. pilot C. driver D. waiter49. A. abilityB. disability C. memory D. labor50. A. make B. o
51、bey C. keep D. break51. A. beyondB. above C. off D. below52. A. difficulty B. benefit C. reason D. cause53. A. designB. predictC. destroy D. decide54. A. turn B. rest C. riskD. walk55. A. healthy B. carefreeC. thrilled D. disabled第II卷（共60分）第一节 (阅读七选五：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。选项中
52、有两项为多余选项。I teach economics at UNLV. Last Monday, at the beginning of class, I cheerfullyasked my students how their weekend had been. _56_He then asked me why I always seemed to be so cheerful.His question reminded me of something Id read somewhere before: “Every morning when you get up, you have a
53、choice about how you want to approach life that day,” I said.“_57_” “Let me give you an example,” I continued. This university is 17 miles down the freeway from where I live. One day I only had to drive another quarter mile down the road to the college. _58_I tried to start it again, but the engine
54、wouldnt turn over. So I put my flashers on and marched down the road to the college.” “As soon as I got there .I arranged for a tow truck to meet me at my car after class. A teacher asked me what had happened. This is my lucky day, I replied, smiling at her. _59_What do you mean? She continued to as
55、k. I live 17 miles from here. My car could have broken down anywhere along the freeway. It didnt. Instead, it broke down off the freeway, within walking distance of here. Im still able to teach my class and arrange for the tow truck to meet me after class. I explained to her. ”“Her eyes opened wide,
56、 and then she smiled. _60_” So ended my story. I scanned the sixty faces. Despite the early hour, no one seemed to be asleep. Somehow, my story had touched them. In fact, it had all started with a students observation that I was cheerful. A. I choose to be cheerful.B. Youre your own master.C. But ju
57、st then my car died.D. I smiled back and headed for class.E. Ones life depends on ones attitude.F. Your car breaks down and today is your lucky day?G. One young man said that his weekend had not been so good.第二节：语法填空（共10小题；每小题1.5分，满分15分）阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。 Last week, it was on du
58、ty 61 our class was in cafeteria for self-management. On the first day, I 62 (shock) to see so much leftover food thrown away by students. What a waste! Concerned about it, my classmates and I had a 63 discussion on how 64 (solve) the problem. Lots of good ideas came up, such as holding class meetin
59、gs, putting up wall newspapers and charging a fine for wasting food. Finally we all agreed that wall newspapers would be 65 (good ) choice. The next day, we put our idea into reality. Towards lunch time, we put up a wall newspaper outside the school cafeteria, 66 (call) on students not to waste food
60、. Many students gathered around to read and expressed their support. To my great delight, there were changes soon. In the cafeteria, I found the trays 67 (return) after lunch all empty 68 any leftover. Food was saved and the dining hall was cleaner. 69 ( see )this, I felt relieved and took pride in
61、70 we had done.第三节： 短文改错（共10小题；每小题1分，满分10分）：假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏词符号()，并在其下面写出该加的词。删除：把多余的词用斜线()划掉。修改：在错的词下划一横线()，并在该词下面写出修改后的词。注意：1. 每处错误及修改均仅限一词；2. 只允许修改10处，多者(从第11处起)不计分。 My brother, he would do some paperwork in a company, went to a
62、 remote village to participate the voluntary activity last month. So my mother was worried about that he could adjust himself to living there. She was dying to hearing from him. Later he told my mother he had fitted in well with the villagers there. However, he told them that a terrible accident had
63、 happened. The other day he, who was scared to dead, was about to attend a party while he witnessed it. Worse still, the car fled from the scene. Firstly he called, urged the doctors to rush to the spot and then he gave first aid to the injured. Eventually the injured man was lucky helped out of dan
64、ger. I am proud of him, who is occupying himself with his work and devotes himself to helping those in the need. 第四节： 书面表达：（满分25分） 高三第一次考试成绩单科目语文数学英语理综满分150150150300李强10114395279 假设你是李华，以上是你的朋友李强上次考试成绩单。请根据其成绩单给他写一封回信。信的开头与结尾已经给出。内容要求：1. 简单叙述他的学习情况；2. 对于今后复习备考，提出你的建议和意见。3. 字数约120词。参考词汇：成绩单examinatio
65、n result list; 理综science subjects; Dear Li Qiang, Your letter reached me yesterday. It can be seen obviously from the above examination result list Yours truly, Li Hua 学校： 高二年 班 号 姓名： 准考证号 密 封 装 订 线 20142015学年度第二学期八县（市）一中期中联考高中 二 年 英语 科答题卷 完卷时间： 120 分钟 满分： 150 分 第II卷（共60分） 第一节：阅读七选五 (共5小题；每小题2分，满分10
66、分) 56 _57._58._59._60._ 第二节 ：语法填空（共10小题；每小题1.5分，满分15分）61 _ 62._63._64._ 65._ 66._ 67._68._69._70._ 第三节：短文改错（共10小题；每小题1分，满分10分）： My brother, he would do some paperwork in a company, went to a remote village to participate the voluntary activity last month. So my mother was worried about that he could
67、 adjust himself to living there. She was dying to hearing from him. Later he told my mother he had fitted in well with the villagers there. However, he told them that a terrible accident had happened. The other day he, who was scared to dead, was about to attend a party while he witnessed it. Worse
68、still, the car fled from the scene. Firstly he called, urged the doctors to rush to the spot and then he gave first aid to the injured. Eventually the injured man was lucky helped out of danger. I am proud of him, who is occupying himself with his work and devotes himself to helping those in the nee
69、d. 第四节： 书面表达：（满分25分） Dear Li Qiang, Your letter reached me yesterday. It can be seen obviously from the above examination result list _ _Yours truly, Li Hua2014-2015学年度第二学期八县（市）一中期中联考高中 二 年 英语 科参考答案听力：15 CBACA 610 CABAB 1115 CABCB 1620 ACABC阅读：21-24 CBDD 25-27 CDB 28-31 BCCA 32-35 BDAC完形：3640 CBDAD
70、4145 DABCB 4650 DCABD 5155 CADCD阅读七选五：56-60 GACFD 语法填空：61. that 62. was shocked 63. heated 64. to solve 65. (the ) best66. calling 67. returned 68. without 69.Seeing 70. what 短文改错：luckilyusinwhetherurgingdeathwhenhearwho My brother , he would do some paperwork in a company , went to a remote village
71、 to participate the voluntary last month .So my mother was worried about that he could adjust himself to living there. She was dying to hearing from him. Later he told my mother he had fitted in well with the villagers there. However, he told them that a terrible accident had happened. The other day
72、 he, who was scared to dead, was about to attend a party while he witnessed it. Worse still, the car fled from the scene. Firstly he called , urged the doctors to rush to the spot and then he gave first aid to the injured. Eventually the injured man was lucky helped out of danger. I am proud of him,
73、who is occupying himself with his work and devotes himself to helping those in the need. 书面表达Dear Li Qiang, Your letter reached me yesterday. It can be seen obviously from the above examination result list that you are excellent at maths and science subjects while your Chinese and English are compar
74、atively weak.Your maths and science subjects are already good enough, so your aim should be keeping them at present level, making sure they will not drop. It is not worthwhile spending too much time on these subjects.As for English and Chinese, You must try your best to find out why the marks always
75、 stay so low, and then you had better go to the teachers and classmates for advice, so that you can take effective measures to improve your English and Chinese.There are several months left for you to prepare for the university entrance examinations. I hope you can keep balance all of the subjects a
76、nd keep up spirits, and at the meantime balance between study and rest. Only in this way can you enter an ideal university. Wish you success! Yours truly, Li Hua (text 1)W: Im tired of staying in hospital. What if I didnt have music to listen to?M: Well, if it help, Ill go back to download more song
77、s for you.W: Thanks a lot, Charles.(text 2)W: Wow, what happened? You have huge bags under your eyes.M: Oh, I cant sleep with my apartments thin walls. The couple next door were at each others throat all night, and the stupid wall isnt sound proof at all.W: On, no wonder.(text 3)M: Ms. Simon, your s
78、on speaks Russian so well that we are considering sending him to Russia for further study. We just need your approval.W: Wow, thats really a good chance. Im glad that the teachers are helping him so much, but I cannot make that decision either. David himself has he final say.(text 4)W: Excuse me.M:
79、Yes?W: Is there a ladys room around here?M: Yes, there is one. But unluckily for you, it is under repair.(text 5)W: Whats wrong with you?M: Ive got a bad headache.W: Have you taken any medicine and had a good rest?M: Yes.W: But youll be better if you see a doctor in no time.(text 6)M: Im fed up with
80、 the terrible weather. I hope it will be sunny soon.W: So do I.M: What did you hear the weatherwoman said just now?W: She said it would remain snowy and cold but no wind these days. The temperature would be 4, and tomorrow it would be 3 degrees lower.M: Good heaven. Wed better not go outside.(text 7
81、)M: Hey, would you like to see a movie?W: A movie? Im pretty busy. Which one do you have in mind now?M: Well, how about The English Teacher? I read a great review of the new movie. I comes on Friday.W: Where is it showing?M: Its at the Grand Theater, near the school.W: Thats pretty close. Who are th
82、e leading actors?M: Johnny Handsome and Rose Flower play the main characters, two teachers.W: Whats the movie about?M: Well, at first they hate each other but in the end they fall in love. Its not very original, but the story is really funny and its very well-done.W: Okay. I can practice my English.
83、 Which show would you like to go to?M: Well, it starts at 7:55 and 8:30. Lets get the early show and maybe we can have dinner afterwards. Shall we meet at the main door at 7:40?W: Ok, but we should be five minutes earlier.M: No problem. See you then. (text 8)W: Theyll never help us. You know that ol
84、d saying. “You cant get blood out of a stone.”M: I know. I know. But thats no reason not to ask them.W: We asked them last year and what did they say?M: Actually, they didnt say anything.W: Yeah. They didnt say anything and they didnt do anything.M: I think they might do something this year. I talke
85、d to Tony last week and I thought I adopted a more friendly attitude.W: There you go with your optimism! Dont get your hopes too high!M: I wont, but it doesnt hurt to expect the best. Sometimes you get it.(text 9)M: Annie, March 22 is your moms birthday, do you remember?W: Of course. So, how shall w
86、e celebrate it for mom, Dad?M: Hmm, a birthday gift is a must. Have you prepared it?W: Yes. Ive bought a new dress and booked a birthday cake for her. I believe she will like them. How about you?M: Prepare a special dinner, invite your grandparents and her close friends and buy some purple roses.W:
87、Wonderful! But what is the special dinner?M: I want to throw a birthday party for her at home. Ive been learning cooking from my Spanish friend and I will do it myself on that day. I hope your mom will enjoy it.W: Good idea! A great surprise for mom. By the way, Ill go shopping with you to buy some
88、other things.M: OK. Lets make good preparations.(text 10)M/W: Ladies and Gentlemen,May I have your attention? The following is a study report. Please listen to me carefully and take some necessary notes. A study suggests that dirty air can reduce lung development. About one thousand and seven hundre
89、d children from different communities in Southern California took part in the study. The scientists tested the children every year for eight years, starting at age ten. They said this was the longest study ever done on air pollution and the health of children. And they found that children who lived
90、in areas with the dirtiest air were five times more likely to grow up with weak lungs. The damage from dirty air was as bad as that found in children with parents who smoke. Children with reduced lung power may suffer more severe effects from a common cold, for example. The doctor notes that weak lu
91、ng activities is the second leading cause of early deaths among adults. The first is smoking. By the time people are eighteen, their lungs are fully developed, or close to it. The doctors say it is impossible to recover from any damage.Researchers say that they are still not sure how air pollution affects lung development. They believe that pollution affects the tiny air spaces where oxygen and carbon dioxide are exchanged.版权所有：高考资源网()