九年级下册英语Module 3
外研版九年级英语下册Module 3 Life now and then Unit 3
________ life than before. It makes the earth a better place to
live in. (2020云南昆明)
A. a greener
B. the greenest
C. a wilder
D. the wildest
8. Compared with a 1-day weekend, a 2-day weekend is ____ as
了解了二者的句法功能后，我们来学习二者的比较级和最高级。
形容词与副词的比较级和最高级
常见比较级句型： 1) 比较级+than 比……更……
e.g. Health is more important than wealth. He got up earlier than I did this morning.
e.g. Jim is the tallest of the three. He is the most diligent student in his class.
2) 选择疑问句 e.g. Who is the tallest, Tom, Jack or Bill?
3) the+最高级+定语从句 e.g. It is the most interesting book I have ever read.
People’s lives seem busy now. 现在人们的生活似乎很忙碌。(表语) We must keep our classroom clean and tidy. 我们必须保持教室干净整洁。(宾语补足语) 【注意】形容词作定语一般放在名词之前，但如果修饰的是不 定代词something, anything, nothing, somebody, anybody, nobody 等，就要放在后面。
外研版英语九年级下册Module3 more than 用法归纳
more than 用法归纳(1) 多于(其通常后接数词，也可接其他词)。
如：I’ve known him for more than twenty years.我已认识他20多年了。
Mary bas been ill for more than a week.玛丽已病了一个多星期了。
He spends more than he earns.他花的比挣的多。
He paid more than the usual rate.他比通常的价格付得多。
It was more than flesh and blood could bear.这是血肉之躯无法忍受的。
The accounts show we have spent more than we received.账目显示我们支出大于收入。
The series has attracted an audience of more than 10 million.这个系列片吸引了1 000多万观众收看。
(2) 不只是，不仅仅是(通常后接名词、动词、从句等)。
如：He is more than a father to her.他待她胜过父亲。
He more than smiled, but laughed.他不只是微笑，而是放声大笑。
The result was much more than I imagined.结果远远超过我的想象。
Her work involved more than administration of first aid to the wounded.她的工作不仅仅是对伤者的急救。
(3) 极其，非常(通常后接形容词、副词或分词等)。
如：She was more than kind to us.她对我们很友好。
He was more than upset by the accident.这个意外事故使他非常心烦意乱。
(4) 难以，完全不能(其后通常连用情态动词can)。
外研版九年级英语下册 Module 3 Life now and then测试题
Module 3 Life now and thenⅠ.单项选择(20分)( )1.You can find out ________ in the past by reading the book.A．what is life likeB．how life was likeC．what life was likeD．how was life( )2.Some pet animals play an important ________ in some Western families.A．role B．dreamC．way D．idea( )3.People today should try to do as much exercise as they ________.A．are used to B．used toC．are used D．used as( )4.The population of China is________ than________ of any other country in the world. A．larger; the one B．more; thatC．larger; that D．more; the one( )5.Nowadays, people regard drinking tea as a culture ________ a habit.A．less than B．more thanC．at least D．because of( )6.—Do you often go to concerts?—No. I ________ go there because the tickets are too expensive.A．seldom B．alwaysC．usually D．almost( )7.It's quite noisy. Please ________ , or I can't hear you clearly.A．stand up B．speak upC．look up D．put up( )8.I don't like pubs. They're noisy, smelly, and ________ , expensive.A．what's more B．in factC．on the other hand D．by the way( )9.They ________ for nearly two months.A．marriedB．have marriedC．have been marriedD．have got married( )10.—Which is the safest, by bus, by train or by plane?—________ , taking a train is the safest of the three ways.A．In other wordsB．At the same timeC．Generally speakingD．In another wayⅡ.完形填空(20分)One place that is very important in my life is my grandmother's house.She __11__ in a small village in the south of the country.I go there every summer, to visit my grandmother, __12__ the city and relax. The village is just a group of white houses on a hillside with some shops, and it's __13__ peaceful. One reason why I like it is because it's a beautiful place.My grandmother has a lovely garden andwe always sit __14__ the trees, drinking sweet tea and chatting. It's so pleasant.But the main reason why this place is so important to me is __15__. She is so kind to me, and wonderful to talk to.Also ,she's a great cook and the meals she prepares are simple __16__ so fresh and…rich? No, no, I mean tasty.And she's always giving me eh…What do you call __17__？—small plates of food during the day, so I always return home feeling calm and refreshed…and __18__！I wouldn't like __19__ there, though.I prefer living in the city.I'm a city person.I __20__ live in a small village where everybody knows each other.I'd rather live in a busy, exciting place.But I really love visiting the villages for holiday.( )11.A.lived B．will liveC．lives D．was living( )12.A.get up B．get away fromC．get to D．get ready for( )13.A.really B．quietlyC．only D．hardly( )14.A.in B．overC．on D．under( )15.A.local people B．my friendC．my grandmother D．the teacher( )16.A.or B．andC．so D．but( )17.A.him B．meC．them D．us( )18.A.fat B．uglyC．big D．lazy( )19.A.living B．to liveC．loving D．to love( )20.A.don't have to B．couldn'tC．would D．shouldⅢ.阅读理解(15分)( )21.What is the topic ofA．Travel around China.B．Improve our pubic manners.C．Leftbehind children need parents' care.D．Life in China.( )22.The thing that the kid did on the subway was ________．A．talking loudly on the phoneB．smoking everywhereC．eating noodlesD．crying( )23.When did Mike travel in Hong Kong?A．Last year.B．This year.C．When he was 14 years old.D．We don't know.( )24.Now Wu Peigen lives ________．A．with his grandparentsB．with his parentsC．with his grandmotherD．alone( )25.Wu Peigen's mother went to Shanghai to ________．A．make moneyB．look after his fatherC．find a jobD．travelⅣ.用方框中所给单词的适当形式完成短文(10分)come, word, talk, subject, shy,try, one, because, such, readHello, my name is Amy. I am a middle school student. I am good at English and English is my favourite 26.________. I began to learn English when I was five years old. When I talked with foreigners, I was very 27.________．When I was nine years old, I 28.________ to Bacui School. I studied English very hard. I think the most important thing about learning English is to learn new 29.________. If you want to learn Englishwell, you must remember a lot of words. And we should 30.________ to foreigners to practise our oral English. Another good way to learn English is to go to foreign countries, 31.________ as Britain, America and Australia. People there speak English as their 32.________ language. We can also watch English programmes or 33.________ English books.I love English 34.________ it's useful and interesting. I will 35.________ my best to speak English and learn English well in the future.Ⅴ.任务型阅读(15分)Last month, heads of state from 29 foreign countries came to Beijing to attend the Belt and Road Forum(论坛) for International Cooperation(合作). The main goal of it is to make the countries work together in more areas. It has won the support of more than 130 countries and international groups. As a Chinese student, you must know something about the Silk Road.Long ago, traders brought treasures from the East to the West. Trips to the East became more favourable when traders found silks and spices(香料). These treasures were not ordinary goods that were easy to get. Many people wanted them and it was a good way to become wealthy.The Silk Road was not a real road. It was a route(路线) between the East and the West. It went through China, Turkey, and Greece. Some traders travelled over land and others sailed across the sea. There was danger along both routes.Traders who went over the land used camels and horses. First, the traders crossed the desert. Then, they climbed over mountains. After that, the traders still had hundreds of miles to go. Bad weather was often a problem. Robbers who stole the silks and spices also caused trouble.Traders who crossed the sea faced some of the same problems. There were storms on the sea. Water and winds could push the boats in the wrong direction. Pirates(海盗) also chased the ships and they stole the goods and took control of the ships.Over time, the Silk Road changed people in both the East and the West. Traders shared stories about faraway lands. They brought back drawings of the places and things they had seen, which helped people learn about new cultures. As a result of the Silk Road, the world seemed much smaller.根据短文内容 ,答复以下问题。
2022九年级英语下册Module3SportandhealthUnit6Caringforyour
22. When you play sports, you’d better protect yourself from accidents. When you play sports, you’d better __g_u_a_r_d_ yourself _a_g_a_in_s_t_ accidents.
5.【 2020·连云港改编】 Many people had to __c_a_n_c_e_l__ (取消) their trips in February because of the disaster.
二、用所给词的适当形式填空。 6. His joke is__f_u_n_n_y__ (fun) enough to make all of us
19. 戴尔在歌唱比赛中失败了。我们来使他振作起来吧。 Dale failed in the singing competition. Let’s go and ___c_h_e_e_r_h_i_m__u_p____.
20. 我们应该每天乐观地生活。 We should_l_o_o_k_o_n__t_h_e_b_r_i_g_h_t_s_id__e_ of life every day.
六、完形填空。
Everyone wants to have healthy teeth. When you
laugh, you will _________26 your mouth and show your
teeth. The healthier those teeth are, the happier you look.
10. The sense of humor and _l_a_u_g_h_t_er_ (laugh) play an important part in helping you keep healthy.
外研版九年级英语下册Module 3 学情评估含答案
外研版九年级英语下册Module 3 学情评估英语九年级·下（WY版）时间：45分钟满分：100分一、单项选择。
(每小题2分, 共20分)1. Andy doesn't like ice cream at all, so he ____ eats it.A. oftenB. sometimesC. usuallyD. seldom2. The old man is quite ____. Please speak to him loudly.A. wealthyB. deafC. cleverD. kind3. He ____ look at the stars every night, but now he does not.A. had betterB. used toC. ought toD. would like to4. [易错题]— Bruce ____ so much in the past two years.— Yeah, he ____ be shy, but now he is confident and active.A. has changed; used toB. changed; is used toC. changed; used toD. has changed; is used to5. —You have made great progress on your study.—Thank you. I believe ____ you work, the better grades you will get.A. the more carelessB. the more carefulC. the worseD. the harder6. —What do you think of life now?— ____.A. I don't think soB. It's better than beforeC. The same to youD. I don't agree with you7. The Apple Watch is very beautiful, but it's too expensive. So I can't ____ it.A. saveB. supportC. offerD. afford8. [易错题]The number of people invited to the party ____ fifty, but a number of them ____ absent for different reasons.A. were; wasB. was; wasC. was; wereD. were; were9. —Does the old man have to ____ his wife?—Yes. They have no children to depend on.A. look afterB. look forC. look upD. look like10. —What should I do to keep healthy?—You should have a good eating habit. ____ , you should take some exercise.A. As a resultB. For exampleC. What's moreD. By the way二、完形填空。
外研版九年级下册英语精品教学课件 Module 3 Unit 2
postman 邮递员
Presentation
full-time 专职的; 全日制的 full- time mother 全职妈妈
role 职责; 角色
Presentation
transport
Presentation
1. Look at the woman in the photo. How do you think she feels? Think about what she will talk about:
课文解读
Read the part – What was your life like in the past? Then answer the following questions.
1. What did Mrs Li’s parents do? Mrs Li’s father was a postman and her mother was a housewife.
Presentation
☺ education
received low education or no education
Presentation
备注：见视频 Module 3 Unit 2 Activity 2
Presentation
2. Read the passage and take notes on what Mrs Li says about the points in Activity 1.
Presentation
2. Was Mrs Li’s father’s work hard? How do you know that?
Yes, it was. Her father often worked twelve hours a day outside in the winter cold or in the summer heat.
外研版九年级下册英语背记手册 Module 3 Unit 1附答案
Module 3 Life now and thenUnit 1 They sometimes work harder.重点单词1. seldom adv. 很少地；不常2. spare adj. 空余的；备用的3. deaf adj. 聋的单词变形1. wealth—wealthy （形容词）富有的2. fear—fearful （形容词）害怕的3. double—single （对应词）单个的重点短语1. nearly finished 几乎完成了2. of course 当然3. in the past 在过去4. fear of doing sth. 对做某事恐惧5. get ill 得病6. deal with 处理7. ordinary disease 普通疾病8. take euch as 和……一样多10. used to 过去常常11. the number of ……的数量12. spare time 业余时间；闲暇13. speak up 大点声说重点句型1. How is your homework?你的家庭作业怎么样了？2. Nearly finished .就要完成了。
3. Do you think that life is better today than in the past?你认为今天的生活比过去的好吗？4. People are wealthier today, and they live longer than they did in the past.现在人们更富有，并且比过去更长寿。
5. That's true .确实如此。
6. I suppose that's because more people have cars.我想这是因为更多的人拥有了汽车。
7. Some people think life in the past was simpler and healthier than today.有人认为过去的生活比现在的生活更简单、更健康。
九年级英语下册 Module 3 测试卷-外研版(含答案)
九年级英语下册 Module 3 测试卷-外研版（含答案）一、单项填空(共10小题,计10分)( )1. —Nowadays more and more foreigners are becoming interested in kung fu.—. It's an important part of Chinese culture.A. I don't agreeB. Sounds terribleC. That's trueD. Don't worry( )2.You must speak to Mr. Green in a louder voice because he is alittle .A. deafB. hungryC. blindD. thirsty( )3.—A study shows that good habits play a very important part in children's .—I think so.A. newsB. knowledgeC. informationD. education( )4.Mary is busy with her schoolwork, so she goes to visit her grandparents.A. alwaysB. usuallyC. oftenD. seldom( )5.I write letters, but now I like to talk online to my friends.A. usedB. used toC. am used toD. was used to( )6.—I can't afford the white dress.—What about the orange one? The price is a little .A. cheaperB. lowerC. worseD. higher( )7.The earth, our only home, is now in danger. Everyone in the world should play a in saving it.A. gameB. trickC. tradeD. role( )8.There will be more work to do, so the boss decides to the workers.A. influenceB. hideC. doubleD. reduce( )9.John ran of all in the sports meeting. We are proud of him.A. fastB. fasterC. fastestD. slowest( )10.I think we should protect the environment, so I'm really those people who drop litter everywhere.A. afraid ofB. angry withC. proud ofD. pleased with二、完形填空(共10小题,计10分)Children today have many things to play with. They can watch television, 11 what they like on the Internet, or play video games. But what do you think children did for 12 long ago? They read books.Some of you might ask, "Are books really fun? " Believe it or not, books can 13 many things that television or computers cannot. Most books use 14 to tell a story, and they can improve your imagination(想象力). You can 15 the characters(人物)and background in your mind and you can also imagine 16 the characters feel.The words and sentences that are used in storytelling are also very interesting and usually cannot be 17 on television. They are sometimes so beautiful and 18 that they can bring tears to your eyes.Books also help us to think harder and 19 . As we continue to read, we ask ourselves questions and try to find answers.These are some of the 20 why books are so fun to read and why people always look forward to good books. Remember: the more you read, the faster you grow.( )11.A. look into B. look after C. look through D. look out( )12.A. fun B. work C. meaning D. exercise( )13.A. afford B. explain C. translate D. provide( )14.A. words B. drawings C. letters D. signs( )15.A. study B. picture C. visit D. remember( )16.A. where B. how C. why D. when( )17.A. found B. kept C. realized D. avoided( )18.A. relaxing B. smiling C. moving D. frightening( )19.A. earlier B. deeper C. longer D. louder( )20.A. examples B. problems C. subjects D. reasons三、阅读理解(共18小题,计36分)AWith the development of information technology, an increasing number of e-books are available. More and more people, especially the young, prefer to read e-books online. They think e-books are much cheaper than paper books, and sometimes they are even free. What's more, it is more convenient to read e-books. People can read them whenever or wherever they want. However, some people enjoy reading paper books while relaxing in the sunshine. Here are some people's likes and dislikes about them.Julia, a writer I've been using an e-reader for nearly four years. It brings me lotsof convenience. I can save much space with it. I don't need to lookfor information from piles of books as I used to. Clicking the mouse or screen to read makes it easier. It also helps to save time. I can go on with my writing even on the subway while reading.Sam, amanager Nothing is better than the feel and smell of a real book. If Ihad a chance to make a choice, I'd choose a real book — somethingI can give as a gift. However, since I often go to different placeson business, having real books is difficult. That's why I've bought an e-reader.Emma, a nurseWith an e-reader, I am able to read books anywhere and anytime.My cell phone can hold more than 120 books. But there is one problem— I don't value them because it's so easy to download(下载) them.So I think if you really like a book, you'd better buy a paper version of it and spend your time enjoying it.Larry, astudent I like reading e-books far more than paper books. On the one hand,I can go online to buy an e-book and read it immediately in my spare time. On the other hand, there's no need to cut trees down to produce an e-book. ( )21.Julia used to look for information by .A. reading many paper booksB. clicking the screen of her computerC. reading on the subwayD. asking others for help( )22.The prevents Sam from reading real books.A. work situationB. smell of real booksC. business partner's giftD. health condition( )23.Emma's problem with the e-reader is that .A. she can't read many booksB. she doesn't value the e-booksC. it's difficult to download a bookD. she has no time to read e-books( )24.In opinion, reading e-books can help protect the environment.A. Sam'sB. Emma'sC. Julia'sD. Larry's( )25.We can know that from the passage.A. e-books are always freeB. people can read e-books at any timeC. e-books bring people sunshineD. e-books are popular with all the peopleBWhen we are children, the holidays seem to last forever. But later, we may find that time just seems to fly by. Why does time seem to pass faster as we get older?According to the Daily Mail, our brains degrade as we get older. That decreases the amount of information we can deal with in a single day. "The human mind senses time changing when the perceived(感知到的) images change," Adrian Bejan from Duke University, the US, told the Daily Mail. "The present is different from the past because the mental viewing has changed, not because somebody's clock rings."Infants(幼儿), for example, move their eyes much more often than adults because they're processing(处理) images at a faster rate. They deal with a large amount of information and do many things in a single day.This makes them feellike a single day lasts for a long time. However, as people get older, fewer images are processed in the same amount of time. Therefore, older people receive less information during a day than younger people. This causes things to seem as though they were happening more quickly.Apart from the degradation of our brains, some psychological reasons also make us experience time differently.People may measure time by the number of memorable events that can be recalled(回忆) within a certain period. When we think about our youth, we may remember a life packed with first-time activities, for example, our first-time traveling without our parents, or our first date. We experienced these events so vividly that time then seemed to have passed very slowly. According to David Eagleman of the Baylor College of Medicine in the US, recalling these memories makes us feel like they took forever.Many adults find life is routine and sometimes dull. For this reason, when they look back, they might feel like there are not many exciting things to remember. Therefore, time seems to be moving faster to them.( )26.What does the underlined word "degrade" mean?A. Become better.B. Become worse.C. Remain the same.D. Become smaller.( )27.How do people sense time changing according to Adrian Bejan?A. It depends on how their clocks change.B. It depends on how the views around them change.C. It depends on how often they move their eyes.D. It depends on how the images they perceived change.( )28.What is the purpose of the fifth paragraph?A. To tell us that first-time activities are vivid and memorable.B. To tell us that first-time events can make time pass slowly.C. To tell us that psychological reasons make people sense time differently.D. To tell us that people should measure time by the number of memorable events. ( )29.Why does time seem to pass faster as we get older?A. Because our life will become routine and dull when we grow older.B. Because the degradation of our brains will make it slower to recall memories.C. Because we'll deal with less information in the same amount of time.D. Because we won't have first-time activities when we grow older.( )30.In which part of a magazine can you probably read the text?A. News.B. Sports.C. Health.D. Science.CIt's the end of class. When the bell rings, lots of students quickly take out their cell phones to log on to(登录) their WeChat.Recent surveys show that most students in middle schools have WeChat and some even update the Moments(更新朋友圈) over five times per day."We can learn many new and interesting things on WeChat and then they become popular topics in class," said Andy Liang, 14. "If you do not know about them, you are out of the loop."It is also a great way for students to reduce stress. "When I share these feelings on WeChat, I get many replies from friends in the same situation, which makes me feel better," said Simon Zhang.But parents are worried that WeChat may be a waste of time. "Some messages may even cause danger to kids," they said.Mr. Shen, a professor of education, suggests parents shouldn't worry too much as long as kids are not crazy about WeChat. Maybe it can become a window for parents to understand their children. "If parents can read their children's Moments, they'll know their thoughts, thus having better communication and solutions to some problems,"he said. He also gives some tips to kids.—Never use WeChat in class.—Don't stay on WeChat for more than one hour a day.—Try to talk face to face with people from time to time.—Don't trust all the messages on WeChat.( )31.The underlined part "out of the loop" probably means " ".A. not popularB. not excitedC. unhealthyD. unlucky( )32.WeChat made Simon when he shared his feelings with some friends.A. feel sadB. feel relaxedC. have stressD. become more friendly( )33.According to Mr. Shen, WeChat can .A. make kids get into troubleB. help parents understand their kids betterC. bring trouble to both kids and parentsD. lead to worse communication between parents and kids( )34.How long does Mr. Shen think children should spend on WeChat?A. About two hours a day.B. Five hours a day.C. Less than one hour a day.D. More than one hour a day.( )35.What is the writer's purpose in writing the passage?A. To introduce WeChat to parents.B. To tell parents not to worry about their kids.C. To improve the relationship between parents and kids.D. To show that WeChat can be helpful if it's used properly.阅读下列短文,并用英语回答问题(请注意每小题后面的词数要求)。
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Module 3
1、第二大题27；29；33；35；38；43；45替换成：
( ) 27. ----I heard that Mr Brown died last year. ----Yes, he _______ for a year, but we still missed him.
A. has died
B. has death
C. was died
D. has been dead
( ) 29. useful book it is! A. What an B. What a C. How D. How a
( ) 33. ----Must I finish my work now? ----No, you ______ do it tomorrow.
A. can
B. have to
C. need
D. must
( ) 35. She has few interesting story-book, ?
A. hasn’t she
B. doesn’t she
C. did she
D. does she
( ) 38. The International Horticultural Exposition（园艺博览会）_________in Shenyang in May，2006.Thousands of people have visited it.
A. held
B. holds
C. is held
D. was held
( ) 43. Could you tell me _________?
A. how old is your son
B. that he will come here soon.
C. whether is it fine tomorrow.
D. who is going to speak at the meeting
( ) 45. -- Bob, would you like to come to our dinner party? --__________
A. Yes, I would
B. Yes, I' d love to
C. No, I wouldn’t
D. No, I don't go
答案：27. D 29. B 33. A 35. D 38. D 43. D 45. B
2、第三大题替换成：
I don’t have much money, but I am happy, because I have a happy family.
Christmas was coming. My son __46___ me to buy him a storybook. However, I didn’t have enough money to buy him any presents, so I ___47___ some money from a friend. Then I __48___ my son one dollar. He was very happy and went __49___. But when he came back, I was __50___, because my little son had no money left, “ What did you do __51___ the money I gave you？” I asked him. This is what he told me:
“I was looking around, thinking of __52__ to buy, and I stopped to read the little cards on the wishing tree. One of the cards was for a little boy. He was about as __53___ as me. He had no home and no parents. He wanted to buy a toy car, but he had no money. So I ___54___ a toy car for him. I have a good ___55___ and toys, but he doesn’t have anything.”
I never felt so rich as I did that day.
( ) 46. A. allowed B. asked C. sent D. found
( ) 47. A. lent B. stole C. begged D. borrowed
( ) 48. A. returned B. gave C. mailed D. paid
( ) 49. A. up B. down C. around D. out
( ) 50. A. glad B. angry C. sad D. afraid
( ) 51. A. with B. in C. at D. for
( ) 52. A. who B. where C. which D. what
( ) 53. A. young B. fat C. thin D. poor
( ) 54. A. sold B. sent C. found D. bought
( ) 55. A. family B. car C. card D. tree
答案：46-50BDBDB 51-55ADADA
3、第四大题A篇阅读理解替换成：
China's Manned Space Program
A. Yang Liwei
B. Fei Junlong
C. Nie Haisheng
D. Zhai Zhigang
( )57
A. Only one.
B. Two.
C. Three.
D. We don't know.
( )58
A. once
B. four times
C. five times
D. fourteen times
( )59. During the second stage, Chinese
A. one day
B. four days
C. five days
D. fourteen days
( )60
A. 2007
B. 2008
C. 2010
D. 2017
答案：56-60 ABDCD
4、第四大题C 篇配对阅读替换成：
C
配对阅读，左栏是5个人的情况简介，右栏是六位著名的作家、学者。
请将这五个人与适合他们的作家、学者配对。
答案：DAFCB
5、第五大题替换成：
五、根据图意及首字母提示完成短文填空。
Teenagers are very busy at school now and often forget to think about their diets（饮食）and sports. The truth is that healthy eating and regular exercise are 71.t_____ ways to keep fit.
During your teenage years, it is important to give your body enough energy it needs. Young 72.g_______need about 2,200 calories a day. Usually boys need a bit more, many doctors suggest, 2,800 calories for teenage
73.b_______. 50% of your calories should 74.c_________from rice, bread, vegetables and fruit. You also need to drink
a lot of 75.w________, 6 to 8 glasses a day. Drinking enough water will improve your dry skin 76.a______ give you healthy body.
Physical activities, such 77.a_____ playing basketball and swimming, are something that can help to make you look good, feel good and be healthy. Experts (专家) suggest that teenagers spend at 78. l________30 minutes exercising a day, five times a week.
After you exercise a bit, your body produces something that makes you feel relaxed and comfortable. It can even help you 79.s________better at night and let you 80.p_____ more attention when you study.
答案: 71. two 72. girls 73. boys 74. come 75. water 76. and 77. as 78. least 79. sleep 80. pay。