人教版必修五第三單元usinglanguage課件（共14張）

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：本句由于主語較長，為避免頭重腳輕，將表示低點的表 語inside提到

10、句首，引起句子完全倒裝。句子的正常語序是：An exhibition of the most up-to-date inventions of the 31st century was inside. “表語+系動詞+主語”形式的倒裝 為了保持句子平衡（主語較長），或為了強調(diào)表語，或使上下文緊 密銜接，句子采用“表語+系動詞+主語”的倒裝結(jié)構(gòu)。常見形式： 1）副詞/介詞短語+系動詞+主語 Inside of the box is his favorite collection of stamps. On both sides of the road are beautiful flowers.

11、 2) 形容詞+系動詞+主語 Present at the meeting were the school headmaster, the English teacher, and the students parents. 3) 過去分詞+系動詞+主語 Gone are the days when they could do what they liked. Buried in the sand was an ancient village. 4) 現(xiàn)在分詞+系動詞+主語 Standing on the top of the mountain is an ancient tower dati

12、ng back to hundred of years ago. Instant n. 瞬間；片刻（moment） adj. 立即的；立刻 的 (immediate)；instantly adv. 立刻，馬上 conj. 一就 the instant (that ) 一就（引導(dǎo)時間狀語從句） in an instant立刻，馬上（指動作不久將發(fā)生） for an instant 頃刻；一瞬間 她一停止問問題，我就起身走出了房間。 The instant she stopped asking questions, I got up and went out the room. 我一時答不上來。

13、I couldnt answer for an instant. 他立即脫下外套，跳入水中。 In an instant, he took off his coat and jumped into the water. “一就”其他表達 as soon as 引導(dǎo)時間狀語從句 immediately/directly/instantly作連詞時引導(dǎo)時間狀語從句 the moment/minute/instant/second引導(dǎo)時間狀語從句 hardly/scarcely.when結(jié)構(gòu)（hardly位于句首，主句需倒裝） no soonerthan 結(jié)構(gòu)（no sooner位于句首，主句需倒裝

14、） “on/upon+名詞/doing”結(jié)構(gòu) 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引導(dǎo)的時間狀語從句，表示句中的謂語動作move與從句的 謂語動作observe幾乎同時發(fā)生。 While引導(dǎo)時間狀語從句時，意為“在期間，當(dāng)時候”。 從句謂語動詞只能用延續(xù)性動詞，而不能用短暫性動詞。 They rushed

15、in while we were discussing problems. I picked up English while I was studying in England. When引導(dǎo)時間狀語從句時，從句的謂語動詞既可以是延續(xù)性動詞，也可以是短暫性動詞。 選詞填空：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）用作從屬連詞，引導(dǎo)讓步狀語從句，意為“雖然，盡 管”，相當(dāng)于although/though/as 但while/although引導(dǎo)讓步狀語從句不倒裝,as引導(dǎo)的讓步 狀語從句要倒裝，though引導(dǎo)的讓步狀語從句可倒裝也可 不倒裝。 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)用作并列連詞，連接兩個并列分句，表示對比或相反的 情況，意為“然而，而”。 I am fond of pop music while my parents like classic music. greedy adj. 貪婪的，貪吃的，渴望的； be greedy for (power/knowledge/fame) 渴望得到（權(quán)利/知識/名聲） be greedy to do sth. 熱切盼望做某事 Its greedy of sb. to do sth. 某人做某事貪婪。 他們渴求知識。 They are greedy for know

18、ledge. greed n. 貪婪；貪心；貪食greedily adv. 貪心地；貪婪地；貪吃地 Well, now theres a system where the waste is disposed of using the principles of ecology. 這是一個主從復(fù)合句句，where引導(dǎo)的定語從句修飾先行詞system。 Where在從句中作地點狀語。a system為抽象意義上的地點。 常見的表示抽象地點的先行詞： point,situation,case,stage,condition,scene,position,site,spot等，且關(guān)系詞在從 句中作狀語

19、是，需用關(guān)系副詞where引導(dǎo)定語從句。 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