译林版高中英语选修七（江苏）课件：Unit 1 Period One

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1、Unit 1 Living with technology,While Jennifer was at home taking an online exam for her business law class，a monitor a few hundred miles away was watching her every move. Using a web camera equipped in Jennifers Los Angeles apartment，the monitor in Phoenix tracked how frequently her eyes moved from t

2、he computer screen and listened for the secret sounds of a possible helper in the room.Her Internet access was lockedremotelyto prevent Internet searches，and her typing style was analyzed to make sure she was who she said she was：Did she enter her student number at the same speed as she had in the p

3、ast? Or was she slowing down?,话题导入,In the battle against cheating，this is the cutting edge and a key to encourage honesty in the booming field of online education.The technology gives trust to the entire system，to the institution and to online education in general.Only with solid measures against ch

4、eating，experts say，can Internet universities show that their exams and diplomas are validthat students havent just searched the Internet to get the right answers.,Although online classes have existed for more than a decade，the concern over cheating has become sharper in the last year with the growth

5、 of “open online courses”.Private colleges，public universities and corporations are jumping into the online education field，spending millions of dollars to attract potential students，while also taking steps to help guarantee honesty at a distance.,Aside from the web cameras，a number of other hightec

6、h methods are becoming increasingly popular.Among them are programs that check students identities using personal information，such as the telephone numbers they once used. Other programs can produce unique exams by drawing on a large list of questions and can recognize possible cheaters by analyzing

7、 whether difficult test questions are answered at the same speed as easy ones.As in many university classes，term papers are scanned against some large Internet data banks for cheating.,完成这篇文章 的文脉构架图,at home,watching,web camera,honesty,education,methods,基础自测,课文预读,内容索引,要点探究,当堂达标,Period One Welcome to

8、the unit & Reading,基础自测,.重点单词 1. n.演变，发展；进化v.发展，演变；进化 2. n.缺点，缺陷；不利条件 3. n.原理，法则；道德原则，行为准则 4. vt.制造；修筑，建造n.建筑，建造；建筑物 5. vt.&vi.(使)推迟，延迟n.延误，延迟,evolution,evolve,drawback,principle,construct,construction,delay,6. adj.可使用的；可接触的；可到达的；易理解的n.入口，通道；利用/接近的权利或机会 7. vt.分发，分配；分销；使分布；分散n.分发；分布 8. n.百分率，百分比n.百分之

9、 9. adv.最后，终于adj.最后的，最终的 10. adj.便携式的，轻便的,accessible,access,distribute,distribution,percentage,percent,eventually,eventual,portable,11. n.存储，储藏(空间)vt.存储，储藏 12. vt.预料，预见，预知过去式过去分词 13. n.适应；改编本，改写本vt.& vi改编；(使)适应 14. vt.播放；转播；接转，转发n.接力赛；中继设备 15. adj.怀疑的,storage,store,foresee,foresaw,foreseen,adaptatio

10、n,adapt,relay,sceptical,.重点短语 1. 与保持联系 2. 对作出贡献；促成；导致 3. 取得重大突破 4. 可以接近的，可用的 5. 从中受益 6. 上发条 7. 和一起，随着；除以外 8. 与齐步前进,keep in touch with,contribute to,make important breakthroughs,be accessible to,benefit from,wind up,along with,keep pace with,.重点句式,John Logie Baird constructed the first colour TV in 1

11、928，but _the first colour TV programme was broadcast. 约翰洛吉贝尔德于1928年制造出第一台彩色电视机，但是直到1938年第一个彩色电视节目才播出。,1.It is/was not until.that.,it was not,until 1938 that,Satellites allow TV to be broadcast live over vast distances，_ at the same time. 卫星让远距离直播电视节目成为可能，大家在同一时间可以收到相同的电视节目。,It ，though，until 1951， re

12、gular colour TV broadcasts in the USA. 但是，直到1951年，彩色电视节目才得以在美国定期播出，其间经历了二十多年的时间。,2.It takes/took time for sb./sth. to do sth.,3.with复合结构,took more than two decades,for,to begin,with everyone,receiving the same broadcast,In 1928，the first tape recorders were made in Germany. 1928年，第一批录制声音的磁带录音机在德国制造出

13、来。,4.过去分词短语作定语,used to copy sound,课文预读,.课文阅读理解 1.According to the passage，what do the six subtitles show us? A.The different stages of the development of video and sound devices. B.The history of TV and audio devices. C.The origin of video and sound devices. D.Tape recorders and players.,答案,1,2,3,4,

14、5,2.How is the passage mainly organized? A.It is organized in order of place. B.It is organized in order of time. C.It is organized in order of plot. D.It is organized in order of the characters.,1,2,3,4,5,答案,1,2,3,4,5,3.Which of the following best shows the structure of the passage？ (Ttitle subtitl

15、e 1 subtitle 2 subtitle 3 subtitle 4 subtitle 5 subtitle 6),答案,1,2,3,4,5,4.What plays an important role in the development of sound and video recorders? A.Technology. B.Satellites. C.Electricity. D.Plastics.,答案,1,2,3,4,5,5.What is the main idea of the passage? A.How to use TV and audio devices. B.A

16、review of TV and audio devices. C.The history of TV. D.The history of audio.,答案,.课文阅读填空,contributed,breakthroughs,live,with,same,wound,copy,digital,development,foresee,要点探究,keep in touch with与保持联系 be in touch with和有联系 be out of touch with与失去联系 get in touch with和取得联系 lose touch with和失去联系,With mobile

17、phones，we can keep in touch with others wherever we are. 用移动电话，无论我们在哪儿，都可以和别人保持联系。,归纳拓展,重点词汇,注意：keep/be in touch with/be out of touch with 表状态，可与表示时间段的状语连用；而get in touch with/lose touch with表示动作，不能与表示时间段的状语连用。,(1) Keep in touch with friends.(2015全国) 与朋友保持联系。 (2) To make it easier to get in touch wit

18、h us，youd better keep this card at hand.(2016北京) 为了更容易地和我们取得联系，你最好把这张名片卡放在手头。 (3)Ive lost touch with all my old friends. 我与所有的老朋友都失去了联系。,语境助记,(1)他与他之前的英语老师失去联系已经两年了。 He his former English teacher for two years.,题组训练,has been out of touch with,(2)Well，Dick，Im sorry，but I have to leave. .I hope to hea

19、r from you soon. A.Keep in touch B.Enjoy yourself C.Dont be so sad D.So am I 解析 句意为：好吧，狄克，很抱歉，我得走了。要保持联系，我希望不久能收到你的来信。“Keep in touch.”是祈使句，意为“务必保持联系”，是道别时的常用语； B项意为“祝你玩得开心”，常用于对方度假、旅行时的祝愿语； C项意为“不要那么伤心”，用来安慰对方； D项意为“我也一样”。,答案,解析,(1)construct vt.制造；建造；修筑；组成 (2)construction n.建造；修筑；建筑物 under construct

20、ion在建造中 (3)constructive adj.建设性的,John Logie Baird constructed the first colour TV in 1928. 约翰洛吉贝尔德于1928年制造出第一台彩色电视机,归纳拓展,(1)The palace was constructed of red bricks. 这宫殿是用红色的砖砌成的。 (2)The temple is under construction. 这个寺庙在修建中。 (3)He did not compromise easily，but was willing to accept any constructiv

21、e advice for a worthy cause.(2016江苏) 他不轻易妥协，但他很乐意接受对一项崇高事业的任何建设性的建议。,语境助记,(1)用construct的适当形式填空 The government is encouraging every company to play a _ role in financing the of a new community sports center _next month.,题组训练,constructive,construction,to be,constructed,(2)He can many long sentences in

22、 French. A.consult B.conduct C.construct D.consume,答案,解析,解析 句意为：他能用法语组成很多长句。construct组成，符合句意。consult咨询；conduct指挥；consume消耗。,delay v.推迟，耽搁；n.推迟，延误 delay doing sth.推迟做某事 without delay毫不延迟地，立即,Regular colour TV broadcasts were delayed in the UK until 1967. 直到1967年彩色电视节目才在英国首播。,归纳拓展,(1)It was considerat

23、e of Michael to inform us of his delay in case we got worried.(2015福建) 迈克尔通知我们他要迟一会儿以防我们担心，想得真周到。 (2)We delayed getting on board for as long as we could. 我们尽可能推迟登机。 (3)I hope that the plan can be carried out without delay. 我希望这计划立刻实行。,语境助记,(1)The plane took off after _ (延误两小时).,题组训练,a delay of two h

24、ours/a two-hour delay,(2)She could have been in time for the interview，but her flight . (2016江苏八校高二期中联考) A.was delaying B.had been delayed C.has delayed D.was delayed,答案,解析,解析 句意为：她本可以及时赶到采访，但是她的航班被耽搁了。delay为及物动词，与主语her flight存在被动关系，故排除A、C两项； 本题是对过去情况的陈述，而非“过去的过去”，故用一般过去时的被动语态。,They also make TV acc

25、essible to people who live far away from cities，and satellite dishes can often be seen distributed throughout the countryside and remote areas. 它们也使远离城市的人们可以收看电视，在农村和边远地区经常可以看到卫星天线。,(1)accessible adj.可使用的；可接触到的；可到达的；易理解的 be accessible to.容易为理解的；容易为接近的 (2)access vt.使用；存取；接近；n.接近；进入；接近的方法；到达的权利或机会，后面常

26、接介词to get/have access to得以接近/进入/使用,归纳拓展1,(1)Computers should be made accessible to both teachers and students. 应该让老师和学生都能用到电脑。 (2)People are learning how to organize huge quantities of information so that they are able to access it at a later date.(2015安徽) 人们正在学习如何组织大量的信息，以便他们在以后的日子里能够使用。 (3)It was

27、really annoying；I couldnt get access to the data bank you had recommended.(2016天津) 真烦人，我无权使用你推荐的资料库。,语境助记1,(1)句型转换 Many divorced fathers are allowed by law to see their children only at weekends. Many divorced fathers / _ their children at weekends.,题组训练1,only,have,access,to,are,only,accessible,to,(

28、2)Frank put the medicine into a top drawer to make sure it would not be to children.(2016淮阴师院附中高二期中) A.accessible B.acceptable C.adaptable D.alternative0,答案,解析,解析 句意为：弗兰克把药放到最上面的抽屉里，以确保孩子们不容易够到。be accessible to.容易为接近的。,(1)distribute vt.使分布；分配，分发；分销 distribute sth.to sb.把某物分发给某人 (2)distribution n.分布；

29、分配；分发,归纳拓展2,(1)Some types of plants are widely distributed. 某些种类的植物分布很广。 (2)Who distributes our products in the UK? 谁在英国经销我们的产品？ (3)The Rhode Island Blood Center distributes blood products to hospitals in Rhode Island and Southern New England.(2014福建) 罗德岛血液中心把血液产品分发给罗德岛和南新英格兰的医院。 (4)This area has a

30、very unequal distribution of income and wealth. 这个地区的收入和财富分配很不均匀。,语境助记2,(1)It is suggested that the Ministry of Education should powers to schools rather than concentrate powers. A.focus B.provide C.deliver D.distribute,题组训练2,答案,解析,解析 句意为：有人建议教育部应把权力下放到学校而不是集中权力。distribute分配，符合句意。focus集中；provide提供；d

31、eliver递送。,(2)Reform of the evaluation process for educational performance is vital to balanced of education resources.(2016泰兴一中高二期中) A.transformation B.distribution C.reputation D.presentation,答案,解析,解析 句意为：教育成绩评估过程的改革对于教育资源的均衡分配至关重要。distribution分配，符合句意。transformation转换；reputation声誉；presentation呈现。,T

32、he first record players had to be wound up by hand and only played records that were two minutes long. 最早的留声机必须手摇上发条，而且只能播放两分钟长的录音。,wind vt.& vi.上发条；缠绕；蜿蜒，曲折 wind (.) up结束(讲话、会议等)；把(汽车窗玻璃等)摇上；以告终；上紧发条 wind ones way蜿蜒前行,归纳拓展,(1)He had forgotten to wind his watch. 他忘了给表上发条了。 (2)The river winds through

33、 the forest to the lake. 那条河蜿蜒流经森林注入湖中。 (3)The speaker will soon wind up his speech. 演说者就要结束他的讲话了。,语境助记,(1)我抬头看到一条蛇蜿蜒向树上爬去，去捕捉它的早餐。 I looked up and noticed a snake up the tree to catch its breakfast.,题组训练,winding its way,(2)From the sky，we can see that the Yellow River its way down to the sea. A.goe

34、s B.winds C.finds D.makes,答案,解析,解析 根据常识可知，黄河九曲，在高山中、平原上迂回向东，流向大海。故选wind “蜿蜒，曲折”。,(3)Whats the time? Oh，I forgot to have my watch .(2016大丰新丰中学高二期中) A.wind B.wound C.winded D.winding,答案,解析,解析 句意为：几点了？哦，我忘记了给我的手表上发条。have sth. done使被，watch与wind为被动关系，故选其过去分词wound。,keep pace with跟上，与并驾齐驱 keep up with跟上，赶上

35、(表状态) catch up with赶上(表动作) at a pace of以的速度 set the pace领先，起带头作用,Technology is now changing faster than most people can keep pace with. 现代科技发展迅猛，很多人跟不上其步伐。,归纳拓展,(1)I had to run to keep pace with you. 我要跑才能跟上你的步伐。 (2)I cant keep up with all the changes in computer technology. 计算机技术的各种改进有些我已跟不上了。 (3)Y

36、ou should follow the pace of the teacher at a fast pace，or you may not keep pace with other students.You must try your best if you want to set the pace. 你该尽快跟上老师的速度，否则就会跟不上其他同学。你想领先就要努力。,语境助记,(1)句型转换 Farmers are angry because the rise of their produce fails to keep up with inflation. Farmers are ang

37、ry because the rise of their produce is not able to inflation.,题组训练,keep,pace,with,(2)The man who falls behind Tom now is beginning to up with him. A.catch B.keep C.take D.put,答案,解析,解析 catch up with表示“赶上”的动作。句意为：落后汤姆的那个人现在开始赶上他了。keep up with表示“齐头并进”的状态。,(3)These new ways of digging accelerated the o

38、f the London Undergrounds development.(2016宿迁泗阳高二期中) A.peace B.pace C.patent D.patient,答案,解析,解析 句意为：这些挖掘的新方法加速了伦敦地铁发展的步伐。pace速度，步调，节奏，符合句意。peace和平；patent专利；patient病人，耐心的。,(1)foresee v.(foresaw，foreseen)预测，预见 foreseen./从句 预见 (2)foreseeable adj.可预料的，可预见的,Who can foresee what the future will bring? 谁能预

39、测未来会带给我们什么？,归纳拓展,(1)His future is hard to foresee. 他的前途难以预料。 (2)Who would have foreseen such a problem? 谁能预料到这样的问题？,语境助记,(1)用foresee的适当形式填空 There is a possibility of severe energy shortages in the _ future. If I the result of refusing his offer，I would never have done that. He that it would rain bef

40、ore morning.,题组训练,foreseeable,had foreseen,foresaw,(2)Nobody can what the computer will be like next.Which of the following is WRONG? A.predict B.foresee C.forecast D.conduct,答案,解析,解析 predict，foresee和forecast都有“预测”之意。conduct组织，安排，指挥，不合句意。,.but it was not until 1938 that the first colour TV programme

41、 was broadcast. 但是直到1938年第一个彩色电视节目才播出。,经典句式,本句中it was not until 1938 that.是强调句型，对时间状语not until 1938加以强调。 (1)until引导时间状语从句，如果主句的谓语动词是延续性的，那么这个主句需用肯定式。若主句的谓语动词是非延续性的，则主句常用否定式，构成not.until.结构。 (2)在not.until.句型结构中，可以把not until提到句首，句子用倒装语序。 (3)not.until.句型的强调句式为：It is/was not until.that.。,归纳拓展,(1) Bach di

42、ed in 1750，but it was not until the early 19th century that his musical gift was fully recognized.(2015重庆) 巴赫于1750年去世，但是他的音乐才能一直到19世纪早期才被认可。 (2)Not until last week did they find the lost bike. 直到上个星期他们才找到丢失的自行车。,语境助记,(1)一句多译 直到醒来我才意识到发生了什么。 (not.until) (强调时间状语) (倒装句),题组训练,I didnt realize what happen

43、ed until I woke up.,It was not until I woke up that I realized what happened.,Not until I woke up did I realize what happened.,(2)It was not until they came to school they realized their son had addiction to computer games and often skipped school. (2016徐州沛县中学高二质检) A.that B.which C.where D.when,答案,解

44、析,解析 本句是一个强调句型，其基本结构是：It is/was被强调部分that/who其余部分。本句被强调部分是not until they came to school，故选A。,Satellites allow TV to be broadcast live over vast distances，with everyone receiving the same broadcast at the same time. 卫星让远距离直播电视节目成为可能，大家在同一时间可以收到相同的电视节目。,(1)句中“with everyone receiving the same broadcast”

45、为with的复合结构，在句中作状语。另外，此结构也可在句中作定语。 (2)with的复合结构如下：,归纳拓展,with宾语,adj./adv.(表状态) 过去分词(表示被动或完成) 不定式(表示将要发生的动作) 现在分词(表示主动或正在进行) 介词短语,(1)When he is eating，he doesnt speak with his mouth full of food. 当吃东西时，他不会在满嘴食物的情况下说话。 (2)With the problem solved，we all felt very happy. 问题解决了，我们都很高兴。 (3) The man was walking on the street，with a book under his arm. 那人在街上走着，腋下夹着一本书。,