高中英语选修八课后作业：Unit 3　Inventors and inventions3.3.pdf

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1、1 Section Grammar 课后篇巩固探究巩固探究 一、变式训练 1.The murderer was brought in,and his hands were tied behind his back.The murderer was brought in his hands behind his back.答案:with;tied 2.Because fallen leaves are buried in the earth every year,the soil becomes richer and richer.in the earth every year,the soil

2、 becomes richer and richer.答案:With fallen leaves buried 3.I have read plenty of books and they are written by Mo Yan.I have read plenty of books Mo Yan.答案:written by 4.When he was holding up the Olympic torch in his hand,he felt excited.the Olympic torch in his hand,he felt excited.答案:Holding up 5.S

3、he asked if there is anything that had been planned for the weekend.She asked if there is anything for the weekend.答案:planned 二、完成句子 1.After so much failure he(变得泄气了).来源:学.科.网 Z.X.X.K 答案:became discouraged 2.(形势令人振奋),and everyone feels proud.答案:The situation is encouraging 3.He didnt notice(他的钱包被偷了)

4、.答案:his wallet stolen 4.It was found that her blood(含有毒素).答案:contained poison 5.She usually works in her study(锁着门).答案:with the door locked 三、单句改错 1.Yesterday he had his watch fix at the watch-makers.答案:fixfixed 2.The hall was found thoroughly cleaned and everything being arranged in good order.答案:去

5、掉 being 3.The bridge build there will be one of the longest in China.答案:buildbuilt 2 4.His response to the question was quite disappointing.I felt disappointing at his response.答案:第二个 disappointingdisappointed 5.My elder brother had his wallet stole on a train last week.答案:stolestolen 6.We must get

6、the work fulfill by the end of this week.答案:fulfillfulfilled 7.He had his leg broke in the match last month.答案:brokebroken 8.The girl being invited to the party was my classmate.答案:去掉 being 9.The package mark with name and date is your sisters.答案:markmarked 10.English widely being used all over the

7、world is my favorite subject.答案:去掉 being 四、阅读理解 A 导学号 62554014 A recent study,while showing a generally positive attitude toward science,also suggests a widespread worry that it may be“running out of control”.This idea is dangerous.Science can be a force for evil as well as for good.Its applications

8、 can be channeled either way,depending on our decisions.The decisions we make,personally or collectively,will determine the outcomes of science.But here is a real danger.Science is advancing so fast and is so strongly influenced by businesses that we are likely to believe whatever decisions we come

9、to will make little difference.And,rather than fighting for the best possible policies,we may step back and do nothing.Some people go even further.They say that despite the moral and legal objections,whatever is scientifically possible will be donesomewhere,sometime.They believe that science will ge

10、t out of control in the end.This belief is dangerous too,because it fuels a sense of hopelessness and discourages them from making efforts to build a safer world.In our interconnected world,the lack of agreement in and out of the world of science can lead to the failure to control the use of science

11、.Without a common understanding,the challenges of“controlling”science in this century will be really tough.Take human cloning for example.Despite the general agreement among scientists on its possible huge impact(影响)on traditional moral values,some countries still go ahead with the research and deve

12、lopment of its related techniques.The outcomes are hard to predict.Therefore,discussions on how science is applied should be extended far beyond scientific societies.Only through the united efforts of people with hope,can we be fully safe against the 3 misuse of science and can science best serve ma

13、nkind in the future.1.What can we conclude from the recent study?A.People think highly of science.B.People hold mixed opinions about science.C.Science is getting dangerously out of control.D.Science is used for both good and bad purposes.答案:B 解析:细节理解题。根据文章第一段第一句可知人们对科学的态度喜忧参半,故答案为 B 项。2.According to

14、 the passage,what will happen if we hold that science is getting beyond control?A.The development of science will hopelessly slow down.B.Businesses will have even greater influence on science.C.The public will lose faith in bringing about a bright future.D.People will work more actively to put scien

15、ce under control.答案:C 解析:细节理解题。根据第三段最后一句可知,如果科学失控,公众就会对建设光明的未来失去信心,故答案为 C 项。3.The discussion should reach beyond scientific societies because.A.scientists have failed to predict the outcomes B.the ties between different areas need strengthening C.united efforts are necessary for the development of s

16、cience D.people need to work together to prevent the bad use of science 答案:D 解析:细节理解题。根据文章最后一段最后一句可知答案为 D 项。4.What is the main idea of the passage?A.Science and its applications bring us many dangers.B.The development of science mostly lies in peoples attitudes.C.Mankind can largely take control of

17、science with their efforts.D.The future of science will be influenced by the dangerous ideas.答案:B 解析:主旨大意题。根据文章第一、二段,尤其是第二段中“Science can be a force for evil as well as for good.Its applications can be channeled either way,depending on our decisions.”可知本文的中心是科学的发展在很大程度上取决于人们的态度,故答案为 B 项。B The Netherl

18、ands on Monday launched its first-ever“intelligent bicycle”,fitted with a set of electronic devices to help bring down the high accident rate among elderly cyclists in this country.The intelligent bicycle runs on electricity.Its seat shakes when other cyclists approach from behind,while the handleba

19、rs do the same when obstacles appear ahead to inform cyclists to pay attention to the danger.It also has a cradle(置 物 架)in which a computer can be inserted,to 4 wirelessly connect and“talk”to the bicycle through a particular application.The computer also flashes a bright signal if there is an approa

20、ching obstacle in the bicycles path,like a tree,or if another cyclist comes up from behind intending to pass.A commercial-available bicycle is expected to be on the market in the next two years and should sell for between 1,700 euros to 3,200 euros per bicycle.It weighs about 55 pounds but researche

21、rs are working on making the on-board systems smaller.“Accidents often happen when cyclists look behind them or get a fright when they are passed at high speed,”said Maurice Kwakkernaat,one of the scientists involved in the project,“The on-board system technology has already been at work in the auto

22、motive industry.”“More and more elderly people are using a bicycle,not only for short distances,but also for longer distances,”Dutch Environment Minister Melanie Schultz van Haegen said.“This type of bicycle is truly needed in the Netherlands because it will help us bring down the number of elderly

23、people who are injured every year and allow them to continue enjoying cycling,”she said.5.What does the text mainly talk about?A.The newly-invented bicycle can warn of danger.B.The intelligent computer runs on electricity.C.More elderly people enjoy electronic devices.D.The means of transportation i

24、n the Netherlands.答案:A 解析:主旨大意题。根据第一段内容“The Netherlands on Monday launched.in this country.”可知,荷兰在星期一推出了首辆“智能自行车”,这种自行车配备了一套电子设备,用来帮助降低该国骑自行车的老年人的高事故发生率。故选 A 项。6.When a car appears ahead,the intelligent bicycle will.来源:学科网 A.stop by itself B.make a noise C.warn its cyclist D.change its color 答案:C 解析

25、:细节理解题。根据第二段第二句可知,当前方出现障碍物时,自行车把手会摇晃,提醒骑行者注意危险。故选 C 项。7.What do you know about the intelligent bicycle?A.It uses gas as the fuel.B.It is widely used now.C.It will be lighter in weight.D.It will be free for everyone.答案:C 解析:细节理解题。根据第三段最后一句可知,研究人员正致力于使车载系统变得更小。由此可知,这款自行车以后会更轻。故选 C 项。8.More and more el

26、derly people in the Netherlands.A.try to invent intelligent bicycles B.enjoy themselves by cycling C.drive cars for longer distances D.devote themselves to computers 5 答案:B 解析:细节理解题。根据最后一段中的“More and more elderly.for longer distances”以及“This type of bicycle.allow them to continue enjoying cycling.”可

27、知,越来越多的荷兰老年人享受骑车带来的快乐。故选 B 项。五、七选五阅读理解 Applying for college in the United States from another country can be exciting and challenging.1.But it is not difficult if you follow the procedures carefully.There are more applicants than those the colleges in the United States can accept in any year.2.The k

28、ey to successful admission is in careful planning and completing the required steps on time.Keep in mind the following advice during your college planning.3 What kind of person are you?What are your interests?Why do you think studying in another country will be good for you?What if studying in anoth

29、er country makes you feel anxious?.Start planning ahead of time 4 .Identify the things that are the most important to you.Make a list of those characteristics to help you compare the colleges that interest you.Talk with students in your country who have studied in the US.Plan your college budget.5.B

30、e sure that your information is current and correct.A.Talk about your family situations B.Consider your own characteristics C.Be realistic about how you will pay for your education D.The process may be different from the one in your country E.Plan about two years before you wish to start studying in

31、 the US F.Follow the advice above,you will make it to an ideal college in the US G.So college admission can be competitive,especially for applicants from outside the US 答案:15 DGBEC 六、语篇填空 Colorful fruit and vegetables are helpful to our health.Their 1.(nature)colors help protect our bodies from dise

32、ase.Think about the colors of fruit and vegetablesthe red of tomatoes,the orange of carrots,the green of apples and the purple of grapes.You can enjoy 2.(eat)fruit and vegetables of all colorsgreen,yellow,blue,purple and white.Each color 3.(be)important to our health.These colors work together to pr

33、otect 4.(we)bodies.Scientists have studied them and discovered 5.good of colorful fruit and vegetables.The list below shows some benefits of some colors in fruit and vegetables:Red gives us a healthy heart.It can 6.(possible)reduce heart disease.Red helps improve our memory.来源:学科网 Yellow is good 7.o

34、ur eyes.White can reduce cholesterol(胆固醇).Green is helpful to eyes.It also gives us strong bones and 8.(tooth).Blue helps us keep a good memory as we grow old.It also helps fight heart disease.6 So,9.you are buying or eating fruit and vegetables,remember 10.(try)different colors of them.答案:1.natural

35、2.eating3.is4.our5.the6.possibly 7.for8.teeth9.when/while/if10.to try 七、选词创境 运用下列词汇,自己创设一个语境,形成一个小语段。call up,now and then,set about,seize,file,merry,caution,abrupt,distinguish,product 来源:学,科,网 参考范文来源:Zxxk.Com Im a sale manager in a company.Recently,a boss called me up now and then,asking about our p

36、roducts.I answered him with caution,thinking I would seize the opportunity to get the business done.Early this morning,he texted me abruptly to say that he would come to our company.I was happy,and set about cleaning the room merrily.After that,I took out some files and laid some samples on the shelf.I think he is good at distinguishing the products.Now,Im seated in the armchair,waiting for him.