2018高考英语（北师大版）一轮复习构想检测 必修三 课时作业9 WORD版含答案.DOC

1、课时作业9Unit 9Wheels一、单元跟踪过关.单句语法填空1I want you to live and learn for the benefit of mankind.2We argued her out of going on such a dangerous journey.3Helen was fully occupied with business matters yesterday.4She has been addicting herself to drinking (drink) since she broke up with her boyfriend.5You ma

2、y rely on it that hell pay back all your money.6He was injured in the accident and was admitted to the hospital.7I appreciate your ringing (ring) back to me so timely.8She spends a large amount of money on clothes every year.9People have_been_receiving (receive) financial aid since they lost their h

3、omes, jobs and businesses in the storm last month.10By the time he realizes he has_walked (walk) into a trap, itll be too late for him to do anything about it.单句改错1Who breaks the law shall be punished.WhoWhoever2The windows have not cleaned for weeks, so they are very dirty.在cleaned前加上been3My brothe

4、r is a soldier and he had been serving in the army for 3 years.hadhas4One reason for the failure was because none of us had previous experience.becausethat5Youll find it hard to give it up once you are addicted to play online games.playplaying6There is no difference in the quality of these shirts so

5、 you can choose whatever you like.whateverwhichever7It is widely believed that the reform will benefit from millions of people in the countryside.将from删除8Three cars were seriously damaged in the traffic accident and this will cost at least 2,000 dollars to get them repaired.thisit9Our share of the m

6、arket has gone up by at least 20% when comparing with the same period in paringcompared10You mustnt take along too much baggages with you when hiking in the valleyit will tire you out.baggagesbaggage.完成句子1过去的三年中工业生产上升了五分之二。Industrial production went_up_by nearly twofifths in the past three years.2不论

7、你怎么做，结果都一样。It has the same result, whichever_way you do_it.3他决定将天花板涂成淡蓝色。He decided_to_paint the ceiling light blue.4您怎么才能说服他们相信太阳能汽车的长处呢？How can you persuade_them_of_the_advantages of solar cars?5你可以相信他会帮助你的。You can rely_on_him_to_help you.二、高考模拟写作(2017河北模拟)假定你是李华。近日收到美国朋友Nancy的邮件，说她下周六晚上7点在市图书馆报告厅

8、作题为“美国风俗与文化”的讲座，邀请你来观摩。请给她写封回信，要点如下：1婉拒邀请；2陈述理由；3表达感谢。注意：1.词数100左右；2可以适当增加细节，以使行文连贯。Dear Nancy，Im so glad to receive your invitation_Yours，Li Hua答案：范文赏读Dear_Nancy,_Im_so_glad_to_receive_your_invitation to your lecture in the city library. Id very much like to learn something about American customs a

9、nd culture, but a friend of mine is coming to pay me a visit, and since this is the first time he has come here, I will have to meet him at the railway station at 7 pm. next Saturday. Its really a pity that I cant make it to communicate with you face to face, and Im sorry for that.Anyway, Im fairly

10、grateful to you for the kind invitation. If there is another chance in future, I will try every possible means to learn from you.Yours,_Li_Hua大题巧练9Unit 9WheelsA卷一、阅读理解A(2016全国卷)Bad news sells. If it bleeds, it leads. No news is good news, and good news is no news. Those are the classic rules for the

11、 evening broadcasts and the morning papers. But now that information is being spread and monitored(监控) in different ways, researchers are discovering new rules. By tracking peoples emails and online posts, scientists have found that good news can spread faster and farther than disasters and sob stor

12、ies.“The if it bleeds rule works for mass media，” says Jonah Berger, a scholar at the University of Pennsylvania. “They want your eyeballs and dont care how youre feeling. But when you share a story with your friends, you care a lot more how they react. You dont want them to think of you as a Debbie

13、 Downer.”Researchers analyzing wordofmouth communicationemails, Web posts and reviews, facetoface conversationsfound that it tended to be more positive than negative(消极的), but that didnt necessarily mean people preferred positive news. Was positive news shared more often simply because people experi

14、enced more good things than bad things? To test for that possibility, Dr. Berger looked at how people spread a particular set of news stories: thousand of articles on The New York Times website. He and a Penn colleague analyzed the “most emailed” list for six months. One of his first findings was th

15、at articles in the science section were much more likely to make the list than nonscience articles. He found that science amazed Times readers and made them want to share this positive feeling with others.Readers also tended to share articles that were exciting or funny, or that inspired negative fe

16、elings like anger or anxiety, but not articles that left them merely sad. They needed to be aroused(激发) one way or the other, and they preferred good news to bad. The more positive an article, the more likely it was to be shared, as Dr. Berger explains in his new book, “Contagious: Why Things Catch

17、On.”语篇解读本文讲述了科学家对大众传媒的新发现：好消息比坏消息传得更快、更远，越积极乐观的信息越容易被大众分享。1What do the classic rules mentioned in the text apply to?ANews reports. BResearch papers.CPrivate emails. DDaily conversations.答案与解析：A考查细节理解。根据第一段的内容尤其是“Those are the classic rules for the evening broadcasts and the morning papers”可知，新闻报道惯常报

18、道坏消息来吸引人们的眼球。2What can we infer about people like Debbie Downer?ATheyre socially inactive.BTheyre good at telling stories.CTheyre inconsiderate of others.DTheyre careful with their words.答案与解析：C考查推理判断。根据第二段可知，大众传媒想要吸引你的眼球而不关心你的内心感受，但是当你和朋友分享故事时，你对他们的反应要关心得多，你不希望他们把你看作Debbie Downer。由此可以推断，Debbie Down

19、er和大众传媒是一样的，不会去关心他人的感受，故选C项，inconsiderate意为“不为别人着想的，不考虑他人的”。3Which tended to be the most emailed according to Dr. Bergers research?ASports news. BScience articles.CPersonal accounts. DFinancial reviews.答案与解析：B考查细节理解。根据第三段中的“One of his first findings was that articles in the science section were much

20、 more likely to make the list than nonscience articles”可知，选B项。4What can be a suitable title for the text?ASad Stories Travel Far and Wide.BOnline News Attracts More People.CReading Habits Change with the Times.DGood News Beats Bad on Social Networks.答案与解析：D考查标题判断。本文第一段的最后一句概括了文章的主要内容：通过追踪人们的电子邮件和网上的

21、帖子，科学家已经发现好消息要比坏消息传得更快更远。下文是对这一发现的具体介绍，故选D项。B(2017山西联考)The moment a college student arrives on campus, he or she is_bombarded_with credit card offers. Advertisements for student credit cards are everywhere: in bags at the bookstore, in the campus newspaper, in your regular mailbox, in the residence

22、halls.With so many college students graduating with large amounts of credit card debt( figures vary, but most are at least in the thousands), learning how to manage a student credit card can be an important lesson for any student. While using a card wisely can be an important part of building credit

23、 and making it through a difficult time, knowing how to use a card wisely can be the hard part.Stick to the following rules when, and if, you need to use a credit card：You can repay the charges within the cards next billing cycle.You must meet your basic needs, like food, clothing and shelter, but s

24、et rules and be aware that you will need to repay those charges at the end of the month.You can talk to the financial aid office in your school for an alternative in “emergency” situations.If you do want a credit card, just be smart about it.(They let you into that school because of your brain, righ

25、t？) Dont automatically get the first one you find. Shop around for a card that has the lowest interest rate possible, and consider places that may not be advertising on campus. Additionally, be aware of any cards repayment options: When will payments be due? How much will they be? A credit card is n

26、ot like a loan that comes with a grace period(宽限期) after you graduate and waits until you are done with school. That new sweater and nice dinner out will need to be paid back right away.语篇解读本文是一篇说明文，主要介绍了大一新生开学面临的问题之一信用卡的选用，并就此给出了建议。5. What does the underlined phrase in Paragraph 1 mean?A. Be confus

27、ed by. B. Be terribly hurt by.C. Be attracted by. D. Be surrounded by.答案与解析：D考查词义猜测。由下文的“Advertisements for student credit cards are everywhere：in bags at the bookstore, in the campus newspaper, in your regular mailbox, in the residence halls”可知，大一新生一入校就会被兜售信用卡的人包围，进行轮番轰炸。故选D项。6. Which of the follow

28、ing statements is TRUE?A. A college freshman should be careful when choosing a credit card.B. Students should take a lesson about how to use a credit card wisely.C. A credit card will be the only help for students in emergency situations.D. The author doesnt appreciate the idea of having a credit ca

29、rd on campus.答案与解析：A考查推理判断。根据最后一段中的“If you do want a credit card, just be smart about it”和下文的内容可知，大一新生选用信用卡时要慎重。故选A项。7. Whats the best title for this passage?A. Economic Tips for College StudentsB. Dos and Donts in Using Student Credit CardsC. Mistakes about Student Credit Cards Use in CollegeD. Stu

30、dent Credit CardsWhat You Need to Know答案与解析：D考查主旨大意。本文主要就大一新生使用信用卡需要注意的事项进行了简单介绍，并给出了具体的建议。A项范围太大；B项错在Donts，文章只列举了使用信用卡时应注意的事项，并没有列举不能用信用卡来做什么；C项不全面，仅仅是文章涉及的一个方面。故选D项。8. If this is a passage of a college newspaper, in which column can we read it?A. Entertainment. B. Advertisement.C. Economy. D. Educ

31、ation.答案与解析：C考查推理判断。本文主要讲的是关于大一新生使用信用卡的一些注意事项和一些具体的建议，是关于经济方面的知识，可能出现在经济这一栏目。故选C项。二、完形填空Julie was busy with the kids when she heard her husband Rex say “I am leaving”. She ran to the _9_ but Rex had already left for the office.Julie felt very _10_ but the kids were calling her again; she had just to

32、 _11_ the feeling. When, finally, the children had _12_， she remembered how she had felt once again.After 15 years of_13_， their life had become very dull. Rex was busy with work and she with the _14_ and housework.Being busy, they had _15_ their small but sweet moments with each other. She somehow

33、_16_ this but, Rex had _17_ forgotten today was their wedding anniversary. She knew she was the love of his life, but.When Rex reached his office, he had a(n) _18_ that he was forgetting something today, but what? He was trying to remember when he was called to work and he kept busy for the entire _

34、19_. In the afternoon, he got a message, which _20_： “Hi, you look handsome today.” Rex was very _21_it was a private number. Soon, he was busy again and he forgot about everything _22_ the work he had to do.The next day, he got _23_ message, reading “you have achieved so much in such a small time.”

35、 Again it was a _24_ number. Slowly, it became a routine. He was getting _25_ daily, through which he came to know the sender was a lady. Without knowing it, he started _26_ them, and life was colorful again for Rex.Then one day on the way to work Rex suddenly _27_ the sender knew almost everything

36、about him as if she was _28_ observing him. Then, he turned the car and headed home.语篇解读本文主要讲述了一对夫妻在结婚15年后感觉生活变得索然无味。之后妻子一直以发信息的方式表达自己的感情，而丈夫最终发现了。9. Adoor BwindowCoffice Dkitchen答案与解析：A考查名词。从文章第一句可知这是家庭生活的场景，她跑到门口但是Rex已经前往办公室了。10. Aexcited Brelaxed Cdelighted Dupset答案与解析：D考查形容词。她感到非常沮丧(upset)。11. A

37、set up Bset aside Cset out Dset off答案与解析：B考查动词词组。她不得不把这种烦恼放在一边。set up意为“建立，搭建”；set aside意为“把放在一边”；set out意为“出发，着手做”；set off意为“出发，动身前往”。12. Aslept Bleft Cperformed Deaten答案与解析：B考查动词。最后，当孩子们离开的时候，她再次记起之前的感受。13. Alabor Bwork Cmarriage Dlove答案与解析：C考查名词。结婚15年之后他们的生活变得索然无味。14. Ahouse Bhusband Ckids Djob答案

38、与解析：C考查名词。Rex忙于工作，而她忙着带孩子、做家务活。15. Aremembered BwastedCspent Dlost答案与解析：D考查动词。因为很忙，所以他们失去了彼此之间很小但很甜蜜的时刻。remember意为“记得”；waste意为“浪费”；spend意为“花费”；lose意为“失去”。16. Aaccepted Bdoubted Cafforded Dforgot答案与解析：A考查动词。她几乎接受(accept)了这种现实。17. Aalmost BalreadyCever Deven答案与解析：D考查副词。但他甚至(even)忘记了今天是他们的结婚纪念日。18. Afe

39、eling BbeliefCopinion Dimagination答案与解析：A考查名词。当Rex到达办公室的时候，他感觉(feeling)今天忘记了什么事。19. Aday Bmorning Chour Dmoment答案与解析：B考查名词。从下一句in the afternoon，he got a message可知，整个上午他都忙于工作。20. Asigned Breported Cread Dshowed答案与解析：C考查动词。在下午的时候他收到一条信息，上面写着“嗨，今天你看起来真帅”。在倒数第二段第一句也有提示。21. Asurprised Bsatisfied Cannoyed

40、 Dfrightened答案与解析：A考查形容词。Rex感到很惊讶，因为这是一个私人号码。surprised意为“惊讶的”；satisfied意为“满意的”；annoyed意为“烦恼的”；frightened意为“害怕的”。22. Awithin Bover Cexcept Dbeneath答案与解析：C考查介词。除了(except)自己的工作他忘了所有的事情。23. Aanother Bsuch Cother Done答案与解析：A考查代词。第二天他又收到一条信息。24. Afamiliar Bforeign Cstrange Dprivate答案与解析：D考查形容词。这次还是一个私人(pr

41、ivate)号码。25. Aletters BreportsCnumbers Dmessages答案与解析：D考查名词。他每天都会收到信息。26. Agetting tired of Bwaiting for Ccaring about Dfiguring out答案与解析：B考查动词词组。他开始等候那些每日的信息，他的生活又变得明亮起来。get tired of意为“对疲惫”；wait for意为“等候”；care about意为“关心，喜欢”；figure out意为“计算，弄明白”。27. Aknew Bguessed Crealized Dbelieved答案与解析：C考查动词。他突然

42、意识(realize)到这个信息发送者几乎了解他的所有事情，好像她在密切(closely)关注着他。28. Aclosely Bcuriously Chardly Dquietly答案与解析：A考查副词。见上一题解析。三、语法填空Nowadays, it is common that parents buy _29_ educational present for their children. A lot of personal computers are placed under the Christmas tree this year. _30_(believe) that comput

43、ers are the key to success, parents are also insisting that children _31_ (teach) to use them in school as early as possible. The problem for school is _32_ when it comes to computers, parents dont always know best. Teachers found themselves caught in the middle of the problem between parent _33_(pr

44、ess) and wise educational decisions. Many schools are giving in to parental impatience and are purchasing hardware _34_ good educational planning. Educators do not even agree on how computers should be used. Even those _35_ believe that all children should have access to computers warn of potential

45、dangers to the very young. The temptation remains strong largely _36_young children adapt so well to computers. However, not every school can afford to go into computing, and that creates _37_ problem: a division between the haves and the havenots. Very few parents are agitating for(倡导) computer ins

46、truction in poor school districts, _38_ there may be barely enough money to pay the teacher.29_30._31._32_33._34._35_36._37._38_答案：语篇解读本文主要关于年龄较小的学生是否该接触电脑。29an考查冠词。表示泛指，用不定冠词。30Believing考查动词。动作believe和动作实施者parents之间是主动关系，故用动名词形式。31be taught考查动词。insist that sb.be done.为固定用法，意为“坚持某人该被做某事”。32that考查连词。

47、表语从句，结构完整，用that引导。33pressure考查名词。句意：老师发现学生在家长的压力(pressure)和明智的教育决定之间左右为难。34without考查介词。由前半句许多学校屈服于家长的不耐心可推知，它们购买的软件没有(without)良好的教育计划。35who考查关系词。who引导定语从句。即使那些赞同学生使用电脑的人也提及到电脑对孩子的危害。36because考查连词。诱惑始终很大是因为小孩对电脑的适应能力很强。37another考查形容词。句意：在无法进行电脑化教学的学校又会产生另一个问题。38where考查连词。很少有家长同意在贫困学区实行计算机教学，那里几乎没有足够的

48、钱支付给老师。B卷一、阅读理解A(2017河北联考)We talk about people being “colourblind” but very few of us are. Even those who describe themselves as colourblind are normally just colour lack. A strongly colourblind person will still be able to tell 20 different colours, compared to the 100 or so that normalsighted peop

49、le see.Pingelap, a tiny island in the Pacific, is a beautiful spot but one that has a genetic trouble. It is known as Colourblind Island because so many people who live on this remote island can only see in black and white.Not being able to see in colour is bad enough. But one islander, Herrol, whos

50、 a fisherman, also struggles in full sunlight because all he sees is a painful burntout image.“I find it difficult to go outside in the sun，” he says, “because when its sunny I cannot see to do my work.”But if being truly colourblind is rare, why is it that around 10% of the population of Pingelap l

51、ive in a totally black and white world?Well, we know that in 1780 the population of Pingelap was all but wiped out by a tsunami(海啸). As few as 20 people survived, one of whom was the king. Its believed he had a genetic fault that causes colourblindness and he passed this fault on to his many generat

52、ions.There is one advantage. Herrol can see well, really well, in the dark. So when it gets dark, Herrol and his friends get in their boats and hunt flying fish. They hang up flaming torches and the fish are attracted to the flames. “This type of fishing is fun，”Herrol says，“especially if we catch p

53、lenty. So even though its hard work we enjoy it.”语篇解读本文是一篇说明文。Pingelap岛因很多居民是色盲而闻名。由于统治该岛的国王是色盲，他将这一基因遗传给了后代。1. What is Pingelap famous as?A. A tiny island. B. A beautiful island.C. A mentally troubled island.D. A colourblind island.答案与解析：D考查细节理解。根据第二段第二句“It is known as Colourblind Island because so

54、 many people who live on this remote island can only see in black and white”可知，Pingelap因为岛上很多居民是色盲而出名，故D项正确。2. What can we infer about Herrol?A. He may stay at home when its sunny.B. He is interested in burntout images.C. He likes taking photos very much.D. He doesnt live in Pingelap any more.答案与解析：

55、A考查推理判断。根据第三段最后一句Herrol所说的话“I find it difficult to go outside in the sun. because when its sunny I cannot see to do my work”可知，Herrol发现在阳光下他无法看清东西，所以无法工作；据此可以判断，阳光充足时他可能会呆在家里，故A项正确。3. Why are about onetenth of people in Pingelap seriously colourblind?A. Because Pingelap often suffers from tsunamis.B

56、. Because the king had an unlucky marriage.C. Because the kings genetic fault played a role.D. Because the king made a serious mistake.答案与解析：C考查细节理解。 根据倒数第二段的最后一句“Its believed he had a genetic fault that causes colourblindness and he passed this fault on to his many generations”可知，该岛的国王是色盲，他将这一基因遗传给

57、了后代，故岛上很多人是色盲，故C项正确。4. What would be the best title for the text?A. The island of colourblindnessB. The disadvantage of HerrolC. The history of PingelapD. The advantage of colourblindness答案与解析：A考查标题判断。通读全文尤其是第二段的第二句“It is known as Colourblind Island because so many people who live on this remote isl

58、and can only see in black and white”可知，本文主要介绍了色盲岛Pingelap，故A项最适合作本文标题。B(2017石家庄模拟)For visitors, Teller Lake in Colorado looks like a fishbowl filled with thousands of gorgeous goldfish. However, to the Colorado Parks and Wildlife Department they are a group of dangerous species that could end up des

59、troying the lakes ecosystem.The problem is that these fish arent native to the lake, which means they have no predators(捕食者). This allows them to multiply in large numbers. The officials believe that most of them are a result of a few unwanted pet goldfish that were thrown into the lake.While that m

60、ay appear to be a kind thing to do, it is extremely dangerous, not to mention illegal. Thats because as the nonnative species grow in numbers, they compete with the existing fish for food sources like small insects. Given that there is only a limited supply of resources, this could result in the gol

61、dfish overpowering the native fish species. In the case of Teller Lake, the officials are particularly worried that the goldfish will move downstream and affect the population of some of the endangered native species that live there. Another major cause for concern is the diseases the goldfish may b

62、e carrying.The Colorado Parks and Wildlife biologists, therefore, have no option but to remove the fish from the lake in the most efficient manner. The fish will then be fed to injured birds like eagles and ospreys.Experts say that most owners believe they are doing the “right thing” by returning th

63、eir pets to the wilderness. However, saving one pet often results in destroying the areas ecosystem and hurting other animals. According to experts, the best way to dispose_of unwanted fish or any other animal is to get advice from the people that sold the pet.语篇解读金鱼是一种常见的宠物，为许多人所喜爱。可是近日美国科罗拉多州的特勒湖却

64、被数千条金鱼占据。5. Why did the dangerous goldfish appear in Teller Lake?A. They were born into the lake.B. They were thrown by the officials.C. They were abandoned by their owners.D. They were brought in by some biologists.答案与解析：C考查细节理解。依据第二段的最后一句可知，科罗拉多州公园与野生动物保护管理处的官员认为，这几千条金鱼是由被主人扔在湖中的宠物金鱼繁殖而得来的，由此可知这些鱼

65、是被主人抛弃的，故选C项。6. How is the lakes ecosystem likely to be influenced by the goldfish?A. New diseases may be brought in.B. Native fish may be eaten by them.C. The lake water may be polluted.D. Food sources may increase.答案与解析：A考查细节理解。依据第三段的最后一句可知，另一个令人担心的问题是这些金鱼有可能携带疾病。故选A项。7. What will happen to the go

66、ldfish after theyre caught?A. Theyll be killed at once.B. Theyll become food for birds.C. Theyll be set free downstream.D. Theyll be raised in the fishbowl.答案与解析：B考查细节理解。依据第四段的最后一句可知，这些金鱼会被喂给受伤的鸟。8. What does the underlined phrase “dispose of” in the last paragraph probably mean?A. Attend to. B. Tak

67、e over.C. Get rid of. D. Hold on to.答案与解析：C考查词义猜测。由上文可知，专家在探讨清除湖中金鱼最有效的方法，因此“dispose of”在本句中是“处理，清除”的意思，故选C项。二、七选五Visiting London can be an expensive trip. _9_. The following steps can help you find cheap alternatives for transport for your London trip.Familiarize yourself with the city. Do some hom

68、ework about different parts of London ahead of time and determine specifically the area where you will be staying. How to establish where in the city you will be staying and the distance you are from the major tourist attractions you want to visit? _10_.Find a local provider of Transport for London

69、tickets or travel cards, since your first bargain purchase will be an Oyster Card. Traveling around London with an Oyster Card will give you access to the cheapest option of transportation methods. The Oyster Card is accepted citywide on buses, boats and the London Underground, known by the locals a

70、s “the tube”_11_. The Tube is the cheapest and most reliable form of transportation and runs from around 6 am. until around 1 a. m， depending on the line or the station.Make the most of the Oyster Card. _12_ , with a high concentration in central London. If you are staying anywhere in central London

71、, there will be a tube station less than 10 minutes away.The Transport for London website offers a tube station search facility to find the nearest subway station to any location in the city. When you find a tube station, you can easily locate the closest bus stop by using the comparison bustube map

72、s at the stations entrance.Follow the Transport for London Tube Guide to your destinations and always plan ahead. _13_， wasted trips on the tube and doubling back on your journey.A. You can use a street map, or an online map search engineB. By visiting the Transport for London website, people can av

73、oid getting lostC. So establishing a budget and finding bargains will help you get around London on the cheapD. The bus is the cheapest means of transport in LondonE. Seek out your nearest Tube StationF. Making a plan for transport will save your unnecessary expensesG. There are 287 tube stations in

74、 London that accept the Oyster Card答案：语篇解读文章对那些到伦敦旅游的人给出了一些建议，提及了关于伦敦的交通方面的问题，比如怎样使用公交卡，怎样乘坐伦敦地铁等。9C第一句提到伦敦旅游很贵，后一句是给来伦敦旅游的人提供省钱的建议，显然答案选C。10A空缺处上一句是一个问句，问及How to establish，显然填入句是对问题的回答，由此不难确定答案为A。11E空缺处之后谈及The Tube，显然答案选E。12G该段围绕Oyster Card展开，显然填入句也应谈及Oyster Card。13F上一句建议人们提前做好计划，显然填入句也与制定计划有关，不难确定

75、答案选F。三、短文改错Today Id like to tell you something that I experience in the City Park. In the afternoon of last Sunday, my friend and I were taking a walk along a river in the City Park, when suddenly we heard a boy call for help in the river. We jumped into the river or pulled the boy out. Then we made

76、 him to breathe using the mouthtomouth way. Before the boy came to himself, we sent her to hospital at once and telephoned his parents. The boy was saved. His parents were very thankful us and the doctors thought high of our first aid. We realized that knowing first aid is very help and important be

77、cause it can help you to save lives.答案：Today Id like to tell you something that I in the City Park. the afternoon of last Sunday, my friend and I were taking a walk along a river in the City Park, when suddenly we heard a boy for help in the river. We jumped into the river pulled the boy out. Then w

78、e made him breathe using the mouthtomouth way. the boy came to himself, we sent to hospital at once and telephoned his parents. The boy was saved. His parents were very thankful us and the doctors thought of our first aid. We realized that knowing first aid is very and important because it can help you to save lives.