高中英语 Unit 4 Cyberspace 1 Section Ⅰ Warm-up

1、课时训练Section Warm-up & Lesson 1Tomorrows World.根据句意、首字母及括号内汉语提示,用合适的单词填空1.Jim o to help me with the heavy box,but I refused him.答案:offered2.The plane cinto the mountain,but luckily the pilot survived.答案:crashed3.It rained a lot this summer,and some areas s from floods.答案:suffered4.The heavy snow didn

2、t a the children.They went on with the match.答案:affect5.The whole city is in c because the electricity is cut off.答案:chaos6.The police have arrested the man who had (做出,犯) a crime.答案:committed7.Many animals on the land have (消失).答案:disappeared8.Susan is an (乐观的)girl.答案:optimistic9.It is (显而易见的)from

3、what she said that something is wrong.答案:obvious10.The (破坏)of these big forests could cause serious problems.答案:destruction.用括号中所给词的适当形式填空1.Dont play computer games too long.Its (harm)to your health.答案:harmful2.As we all know the climate change now is (globe).答案:global3.Exercise and good food are im

4、portant to the proper (grow)of a child.答案:growth4.The town provides a wide choice of (entertain).答案:entertainment5.The good news spread very (rapid).答案:rapidly.用适当的介词填空1.The doctors are pessimistic her chances of recovery.答案:about2.My brother often downloads some information the Internet.答案:from3.Th

5、e programme focused helping homeless children.答案:on4.Because of the heavy snow,they had to put the flight.答案:off5.Everyone thinks Tony is honest.However, reality he is a liar(说谎者).答案:in.句型转换1.A.In 1983,there were only 200 computers connected to the Internet.B.In 1983,only 200 computers the Internet.

6、答案:were connected to2.A.Watching TV too much will harm children.B.Watching TV too much will children.答案:do harm to3.A.You shouldnt enter other peoples computer secretly.B.You shouldnt enter other peoples computer .答案:in secret4.A.Personally,I think computers will turn part of modern life.B.Personall

7、y,I think computers will part of modern life.答案:become a5.A.Its clear that we will see a huge growth in shopping on the Internet.B.Clearly,we a huge growth in shopping on the Internet.答案:are going to see.汉译英1.那时,我们村还没有一些能上网的电脑。答案:At that time,there wasnt any computers connected to the Internet in ou

8、r village.2.有些大学生对未来感到悲观。答案:Some college students are pessimistic about the future.3.很明显,我们将会克服所有的困难。答案:It is clear that we are going to overcome all the difficulties.4.随着网络日志使用的不断增长,人们可能不会再在日记本上写日记了。答案:People may not write diaries in notebooks with the increasing use of blog.5.我们会发现,人们在虚拟超市里购物,在虚拟学

9、校里读书。答案:We will see people shopping in virtual supermarkets and studying in virtual schools.6.最近几年我从未去过北京。答案:I have never been to Beijing (in)the last few years.阅读理解As you might have heard,supercomputers are now powerful enough to simulate(模拟) key parts of cat brains and are on their way to map sect

10、ions of the human mind to learn more about its basic functions.One day in the near future,we may very well be looking at complete simulations of a human brain that can imitate our key mental abilities.And if you believe some of the more ambitious computer science theoreticians,wed make a giant leap

11、towards creating conscious and aware artificial intelligence.If the human brain is data being passed from neuron(神经元)to neuron at its basic level and we can simulate that in a computer,shouldnt a conscious mind start to appear?The difference between simulated thinking and conscious thinking can be d

12、escribed by thinking about the difference between a computer simulated boat and a real one.High end graphic(绘画似的)programmes will let you draw a boat and put it on a virtual surface of water.It will let you explain the environment,solve a number of Navier-Stokes equations,calculate the exact amount o

13、f force to apply to each section of the ship and then it will calculate how the ship reacts to the changes.The end result is a visualisation of what we think looks right instead of a real boat.Just like our example of a virtual boat,a digital human brain would be a visualisation of what were pretty

14、sure happens in our heads according to current scientific knowledge.This is why the manager of IBMs Cognitive Computing Unit,Dharmendra Modha,says,“Our hope is that by combining many of the ingredients that neuro-scientists think may be important to cognition(辨认)in the brain,we may be able to use th

15、e model as a tool to help understand how the brain produces cognition.”1.According to this passage,scientists predict that in the future .A.supercomputers can simulate key parts of cat brains B.humans can find out exactly how our brains functionC.a digital human brain has been successfully inventedD

16、.people can distinguish a simulated boat from a real one提示:根据全文内容分析可知B项正确。答案:B2.The underlined word “theoreticians” most probably refers to.A.experts in theoriesB.engineers in spaceC.designers in computerD.masters in literature提示:根据构词法分析可知该词与theory相关,再结合句意分析可知选A项。答案:A3.Why does the author of this pa

17、ssage take the example of a virtual boat?A.To explain how to invent a real boat.B.To tell us the effects of simulated thinking.C.To argue for effects of conscious thinking.D.To show how to draw pictures on computer.提示:根据第三段的“The difference between simulated thinking and conscious thinking can be des

18、cribed by thinking about the difference between a computer simulated boat and a real one.”可知。答案:B4.This passage is taken most probably from.A.a travel handbookB.a science fictionC.a fairytale storyD.a science website提示:根据短文内容可知本文是一篇有关科学研究的文章,因此选D项。答案:D.短文改错With the popularity of the Internet,more an

19、d more people prefer to going shopping online because its advantages.Online shopping can cost us a lot of valuable time.Whats more,there are a wide variety of goods for us to choose from,which may be cheaper than that in shops.Though it is convenience to go shopping online,the problems it caused cant be ignored.Since we cant see the actual goods on the Internet,the quality cannot be ensured.Beside,lots of advertisement on the Internet are untrustworthy,so sometimes the customers are easily cheated.In my opinion,we should be carefully while we are enjoyed the convenienc