全程设计三维设计人教版英语必修2Unit3SectionI

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1、 随着网络技术的快速发展，方便、快捷的网上购物渐随着网络技术的快速发展，方便、快捷的网上购物渐成趋势。现在越来越多的人在网上购买自己喜爱的图书。成趋势。现在越来越多的人在网上购买自己喜爱的图书。More Chinese buy books onlineOnline shopping is becoming popular in China，and more and more Chinese are buying books on the Net.About 63 percent of Chinese Internet users have made online purc-hases(购买购买

2、)and 56 percent of them h-ave bought reading materials,the hig-hest ratio(比率比率)in the world，said a report.But according to the fourth national reading survey rele-ased by the China Research Institute of Publishing Science,theres been a decrease in Chinas national reading ratio over the past six year

3、s.However，as E-commerce(电子商务电子商务)has become part of peoples daily life,the book market has seen a big jump in sales and readership.D recently saw a boom(兴兴旺旺)in its sales and readership.“Online bookstores made it possible for people to have more choices,and at the same time，promote the print book ma

4、rket，”a researcher said.Yet things are not so good for traditional bookstores.“Many people come to our bookstore,just to write down the names of the books they want and then go online to buy them，”said a sales clerk at a traditional bookstore in Beijing.Faced with the low-cost advantage of online bo

5、okstores,traditional ones can do nothing but lower their prices.How-ever，Huang Yuhai，Chairman of ，an online bookseller said that online bookstores pose no threat to tra-ditional ones，instead they can serve as a beneficial comple-ment(补充补充)Online booksellers still have a long way to go in terms of sa

6、les.“It is still too early to tell，”Huang said，“The to-tal sales of three online bookstores including Dangdang,Jo-yo，and 99read reached 500 million yuan，taking up only 2 percent of the book market in China while A alo-ne holds 40 percent to 50 percent of the American market.”True(T)or False(F)：1Buyi

7、ng books from online bookstores is usually more ex-pensive than buying them from traditional ones.()答案答案：F2In China，the total sales of three online bookstores take up two percent of the total book market.()答案：答案：T Section I Warming Up&ReadingPre-reading语语篇篇全全面面理理解解译译文文全全力力助助渎渎返回返回返回返回Step 1Fast Read

8、ing Scan the text and choose the best answer according to the text.1Who am I?AAn operator.BAlan Turing.CA computer.DHuman race.答案：答案：C 返回返回2Why did I totally change my shape?ABecause I could do many things.BBecause I could simplify sums.CBecause my memory improved.DBecause I never forgot anything.答案

9、答案：C返回返回3How long did it take before the computer was built as an analytical machine?A500 years.B300 years.C100 years.D200 years.答案：答案：D返回返回4According to the last paragraph，which was not ment-ioned in the use of the computer?AMobile phones.BRockets.CBikes.DRobots.答案：答案：C 返回返回5We can infer that the c

10、omputer will_.Atake the place of human raceBbe smarter than human beingsCbe used in many fields in our lifeDwill be made by oneself 答案：答案：C 返回返回 Step 2Careful Reading Read the passage carefully and do the following tasks.Task 1：Read the passage and finish the timeline below.1642：_1822：_1936：_1940s：_

11、 返回返回1960s：_1970s：_Now：_ 答案：答案：1642：The computer began as a calculating machine.1822：The analytical machine was made by Charles Babbage.返回返回1936：The computer grew rapidly both in size and in brain-power.1940s：The computer had grown as large as a room.1960s：The first family of computers was connected

12、 to each other.1970s：Computers were used in offices and homes.Now：Computers connect people all over the world togeth-er.返回返回 Task 2：Try to find out the topic sentence of each paragraph.Paragraph 1：_Paragraph 2：_Paragraph 3：_ 答案：答案：1.Over time I have been changed quite a lot.2These changes only becam

13、e possible as my memory improved.3Since the 1970s many new applications have been found for me.返回返回Task 3：Answer the following questions.1What does the passage mainly talk about?_ 答案：答案：The development of computers.2Which sentence can take the place of the sentence below?With time passing，I was desi

14、gned much smaller than before._ 答案：答案：As time went by，I was made smaller.返回返回3Translate the sentence into Chinese.But I was always so lonely standing there by myself，un-til in the early 1960s they gave me a family connected by a network._答案：答案：但是我总是孤孤单单地站在那里，直到但是我总是孤孤单单地站在那里，直到20世纪世纪60年代初，人们才给了我一个用网

15、络联成的家庭。年代初，人们才给了我一个用网络联成的家庭。返回返回Step 3DiscussionTopic：What do you think is the future of computer？(within 30 words)_ 答案：答案：With the development of our society，computer will play a more important part in our daily life，and it can be used widely in the world.返回返回Step 4Summary Computers are becoming mo

16、re and more popular._，few can imagine what the _ computers looked like.At the beginning，a computer was the _ of a large room.With time _ by，computers have been made smaller and smaller.The size of computers _ changed after they were _ with new transi-stors.Later，computers were _ by a network.With it

17、 people can _ information with each other and返回返回even _ with each other.Since then，computers have come into millions of homes.Peoples lives have beco-me easier and more _ because of the Internet.答案：答案：However original size going totally equipped connected share communicate comfortable 返回返回返回返回WHO AM

18、 I?Over time I have been changed quite a lot.I began as a calculating machine in France in 1642.Although I was young I could simplify difficult sums.I developed very slowly and it took nearly two hundred years before I was built as an anal-ytical machine by Charles Babbage.After I was programmed by

19、an operator who used cards with holes,I could“think”logically and produce an answer quicker than any person.At that time it was considered a technological revolution and the start of my“artificial intelligence”In 1936 my real返回返回father，Alan Turing，wrote a book about how I could be made to work as a“

20、universal machine”to solve any difficult mathematical problem.From then on,I grew rapidly both in size and in brainpower.By the 1940s I had grown as large as a room,and I wondered if I would grow any larger.However，this reality also worried my designers.As time went by,I was made smaller.First as a

21、PC(personal computer)and then as a laptop,I have been used in offices and homes since the 1970s.返回返回 These changes only became possible as my memory improved.First it was stored in tubes，then on transistors and later on very small chips.As a result I totally changed my shape.As I have grown older I

22、have also grown smaller.Over time my memory has developed so much that，like an elephant，I never forget anything I have been told!And my memory became so large that even I couldnt believe it!But I was always so lonely standing there by myself，until in the early 1960s they gave me a family connected b

23、y a network.I was able to share my knowledge with others through the World Wide Web.返回返回 Since the 1970s many new applications have been found for me.I have become very important in communication，fi-nance and trade.I have also been put into robots and used to make mobile phones as well as help with

24、medical operations.I have even been put into space rockets and sent to explore the Moon and Mars.Anyhow，my goal is to provide humans with a life of high quality.I am now truly filled with happiness that I am a devoted friend and helper of the human race！返回返回我是谁？我是谁？经过一段时间我已经被改变了很多。经过一段时间我已经被改变了很多。16

25、421642年我在法国年我在法国诞生时是一台计算机器。尽管当时我还年轻，但是我能简诞生时是一台计算机器。尽管当时我还年轻，但是我能简化一些复杂的数学题。我发育缓慢，差不多到了两百年之化一些复杂的数学题。我发育缓慢，差不多到了两百年之后，查尔斯后，查尔斯巴比奇才把我制成了一台分析机。在操作员巴比奇才把我制成了一台分析机。在操作员用穿孔卡为了设计程序后，我能够进行逻辑用穿孔卡为了设计程序后，我能够进行逻辑“思考思考”，并，并且能够比任何人更快地算出答案。那时这被当做是一次技且能够比任何人更快地算出答案。那时这被当做是一次技术革命，也是术革命，也是“人工智能人工智能”的开始。在的开始。在193619

26、36年，我真正年，我真正的父亲艾伦的父亲艾伦图灵写了一本书，讲述了怎样使我成为一台图灵写了一本书，讲述了怎样使我成为一台返回返回“通用机器通用机器”来解决任何数学难题。从那时起，我在体来解决任何数学难题。从那时起，我在体积和脑容量方面迅速成长。到积和脑容量方面迅速成长。到2020世纪世纪4040年代，我已经长年代，我已经长得像一间屋子那么大，我不知道是否还会长得更大。但得像一间屋子那么大，我不知道是否还会长得更大。但是，这个现实也使得我的设计者很担心。随着时间的推是，这个现实也使得我的设计者很担心。随着时间的推移，我被弄得越来越小。自移，我被弄得越来越小。自2020世纪世纪7070年代以来，我

27、一直年代以来，我一直被用在办公室和家庭里，先是用做个人电脑，后来又做被用在办公室和家庭里，先是用做个人电脑，后来又做成便携式。成便携式。返回返回 这些变化只有随着我的存储能力的不断提高才成为可这些变化只有随着我的存储能力的不断提高才成为可能。最初是被存储到电子管中，以后是晶体管上，后来是能。最初是被存储到电子管中，以后是晶体管上，后来是非常小的芯片上。因此，我已经完全改变了我的形状。随非常小的芯片上。因此，我已经完全改变了我的形状。随着我年龄越来越大，我也变得越来越小。随着时间的推移，着我年龄越来越大，我也变得越来越小。随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来我的记忆

28、能力发展得如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情！我的存储容量变得如此巨大，不会忘记告诉我的任何事情！我的存储容量变得如此巨大，连我自己都不能相信！但是我总是孤孤单单地站在那里，连我自己都不能相信！但是我总是孤孤单单地站在那里，直到直到2020世纪世纪6060年代初，人们才给了我一个用网络联成的家年代初，人们才给了我一个用网络联成的家庭。我能够通过万维网和其他人分享我的知识。庭。我能够通过万维网和其他人分享我的知识。返回返回 从从2020世纪世纪7070年代起，我又被开发出了很多新的用途。年代起，我又被开发出了很多新的用途。我在通讯、金融和商业领域变得非常重要。我还被放在机我在通讯、金融和商业领域变得非常重要。我还被放在机器人里面，被用来制作移动电话，并且用来帮助做医疗手器人里面，被用来制作移动电话，并且用来帮助做医疗手术。我还被放置在航空火箭里去探测月球和火星。不管怎术。我还被放置在航空火箭里去探测月球和火星。不管怎样，我的目标是给人类提供高质量的生活。现在我充满了样，我的目标是给人类提供高质量的生活。现在我充满了幸福感，因为我是人类忠实的朋友和助手！幸福感，因为我是人类忠实的朋友和助手！