人教版必修五第三单元usinglanguage课件（共14张）

1、 My first visit was to a space station considered the most modern in space. Described as an enormous round plate, it spins slowly in space to imitate the pull of the earths gravity. Inside was an exhibition of the most up-to-date inventions of the 31st century. A guide (G) showed us around along a m

2、oveable path. G: Good morning to all our visitors from 2008. First were going to examine one of the latest forms of communication among our space citizens. No more typists working on a typewriter or computer! No more postage or postcodes! Messages can now be sent using a thoughtpad. You place the me

3、tal band over your head, clear your mind, press the sending button, think your message and the next instant its sent. Its stored on the thoughtpad of the receiver. Its quick, efficient and environmentally friendly. The only limitation is if the user does not think his or her message clearly, an uncl

4、ear message may be sent. But we cannot blame the tools for the faults of the user, can we? During the explanation I looked at the pair of small objects called thoughtpads on a table. They just looked like metal ribbons. So ordinary but so powerful! While I was observing them, the path moved us on. G

5、: And now ladies and gentlemen, we are in the environment area. People used to collect waste in dustbins. Then the rubbish was sent to be buried or burned, am I fight? (We nodded.) Well, now theres a system where the waste is disposed of using the principles of ecology. A giant machine, always greed

6、y for more, swallows all the waste available. The rubbish is turned into several grades of useful material, such as fertilizer for the fields and soil for deserts. Nothing is wasted, and everything, even plastic bags, is recycled. A great idea, isnt it? I stared at the moving model of the waste mach

7、ine, absorbed by its efficiency. But again we moved on. G: Our third stop shows the changes that have happened to work practices. Manufacturing no longer takes place on the earth but on space stations like this one. A group of engineers programme robots to perform tasks in space. The robots produce

8、goods such as drugs, clothes, furniture, hovering carriages, etc. There is no waste, no pollution and no environmental damage! However, the companies have to train their representatives to live and work in space settlements. They have to monitor the robots and the production. When the goods are read

9、y theyre transported by industrial spaceship back to earth. My mind began to wander. What job would I do? My motivation increased as I thought of the wonderful world of the future. Inside was an exhibition of the most up-to-date inventions of the 31st century. 句式剖析：本句由于主语较长，为避免头重脚轻，将表示低点的表 语inside提到

10、句首，引起句子完全倒装。句子的正常语序是：An exhibition of the most up-to-date inventions of the 31st century was inside. “表语+系动词+主语”形式的倒装 为了保持句子平衡（主语较长），或为了强调表语，或使上下文紧 密衔接，句子采用“表语+系动词+主语”的倒装结构。常见形式： 1）副词/介词短语+系动词+主语 Inside of the box is his favorite collection of stamps. On both sides of the road are beautiful flowers.

11、 2) 形容词+系动词+主语 Present at the meeting were the school headmaster, the English teacher, and the students parents. 3) 过去分词+系动词+主语 Gone are the days when they could do what they liked. Buried in the sand was an ancient village. 4) 现在分词+系动词+主语 Standing on the top of the mountain is an ancient tower dati

12、ng back to hundred of years ago. Instant n. 瞬间；片刻（moment） adj. 立即的；立刻 的 (immediate)；instantly adv. 立刻，马上 conj. 一就 the instant (that ) 一就（引导时间状语从句） in an instant立刻，马上（指动作不久将发生） for an instant 顷刻；一瞬间 她一停止问问题，我就起身走出了房间。 The instant she stopped asking questions, I got up and went out the room. 我一时答不上来。

13、I couldnt answer for an instant. 他立即脱下外套，跳入水中。 In an instant, he took off his coat and jumped into the water. “一就”其他表达 as soon as 引导时间状语从句 immediately/directly/instantly作连词时引导时间状语从句 the moment/minute/instant/second引导时间状语从句 hardly/scarcely.when结构（hardly位于句首，主句需倒装） no soonerthan 结构（no sooner位于句首，主句需倒装

14、） “on/upon+名词/doing”结构 Hardly/scarcely had I sat down when the telephone rang. No sooner had she left than her mother began to cry. While I was observing them, the path moved us on. While引导的时间状语从句，表示句中的谓语动作move与从句的 谓语动作observe几乎同时发生。 While引导时间状语从句时，意为“在期间，当时候”。 从句谓语动词只能用延续性动词，而不能用短暂性动词。 They rushed

15、in while we were discussing problems. I picked up English while I was studying in England. When引导时间状语从句时，从句的谓语动词既可以是延续性动词，也可以是短暂性动词。 选词填空：while/when 1. _ she was in Paris, she developed a taste for art. 2. _ Alice came around, she did not know how long she had been lying there. 3. She was badly hurt

16、 last night _ she fell from the ladder While/When When When While的其他用法： 1）用作从属连词，引导让步状语从句，意为“虽然，尽 管”，相当于although/though/as 但while/although引导让步状语从句不倒装,as引导的让步 状语从句要倒装，though引导的让步状语从句可倒装也可 不倒装。 While/Although/Though I understand you, I dont agree with you. Difficult as/though the task was, they manage

17、d to finish it in time. 2)用作并列连词，连接两个并列分句，表示对比或相反的 情况，意为“然而，而”。 I am fond of pop music while my parents like classic music. greedy adj. 贪婪的，贪吃的，渴望的； be greedy for (power/knowledge/fame) 渴望得到（权利/知识/名声） be greedy to do sth. 热切盼望做某事 Its greedy of sb. to do sth. 某人做某事贪婪。 他们渴求知识。 They are greedy for know

18、ledge. greed n. 贪婪；贪心；贪食greedily adv. 贪心地；贪婪地；贪吃地 Well, now theres a system where the waste is disposed of using the principles of ecology. 这是一个主从复合句句，where引导的定语从句修饰先行词system。 Where在从句中作地点状语。a system为抽象意义上的地点。 常见的表示抽象地点的先行词： point,situation,case,stage,condition,scene,position,site,spot等，且关系词在从 句中作状语

19、是，需用关系副词where引导定语从句。 1.He got into a situation_ it was hard to decide what was right and wrong. 2.After graduation she reached a point in her career_ she had to decide what to do. 3. Remember that there is still one point _ we must make clear at the conference tomorrow. 4. -Do you have anything to s

20、ay for yourself? -Yes, there is one point _ I must insist on. where where that/which that/which 1. We agree to find an place to relax ourselves. Los Angeles is a relative . Apart from Universal Studios Hollywood and good restaurants, its mild climate also _a large number of visitors every year. (attract) 2. People develop preference for a particular style of learning at early age and these preferences affect learning. 3. Kong fu has developed as unique combi