选修八unit3概要

1、Reading,Unit 3 Inventors and inventions,1. 打电话 2. 有时, 偶尔 3. 摆脱, 赶走 4. 使自己扬名, 显摆自己 5. 生物 6. 一种新方法 7. 着手, 开始 8. 决定 9. 把它们引入陷阱 10. 一个制作冰淇淋的器具 11. 同时,call up now and then get rid of distinguish oneself living creatures a new approach set about decide on attract them into a trap an ice-cream maker at the

2、 same time,Phrases and Sentences,12.消失在墙壁附近的 洞里 13.提起, 拿起 14.根据 15.温顺的蛇 16.把它们都释放到野外 17.被某人督促 18.专利局 19.填表 20.的问题,disappear into a convenient hole in the wall pick up according to the passive snakes release them all back into the wild be pressed by the patent office fill in the form a matter of,21.

3、这是因为我预料它还会再咬人。 22. 你看看我的银行节余金额就知道我是否 成功了。,You will know if I succeed by the size of my bank balance.,This was in the expectation that the snakes would bite again.,How can you divide 13 oranges among 9 children fairly?,make orange juice,Creativity,How to be a good inventor?,Creative Education Hard-wo

4、rking Practical skills Determination Patience ,Curious,Creative,Persevering,In groups, discuss the inventions you know and then make a list.,telephone 1876,airplane 1903,television 1923,colour television 1940,photocopier 1937,air conditioner 1902,electronic digital computer 1942,atomic bomb 1945,cre

5、dit cards 1950,Penicillin 1928 (青霉素),X-ray 1960,Among the inventions above, which invention do you think is the most important one? Why? How did they change peoples daily lives?,Discussion,A discovery,An invention,= =,A discovery,An invention,Work out the rules that will help you decide what a disco

6、very is and what an invention is.,An invention is _ _.,A discovery is _ _.,existing in nature but not yet known,finding out something already,by human beings not existing before,something that was created,an invention,a discovery,universal gravitation,the electric bulb,Now give some examples of disc

7、overies and inventions.,Pre-reading,Do you know the stages every inventor must go through before they can have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in scientific research. Look at the list below and work out a suitable order.,Findin

8、g a problem,Doing research,Thinking of a creative solution,Testing the solution,Deciding on the invention,Applying for a patent,The suitable order:,1.Finding a problem,2.Doing research,3.Thinking of a creative solution,4.Testing the solution,5.Deciding on the invention,6.Applying for a patent,go thr

9、ough 1) vt.经历(不愉快的事),Most families went through a lot in the war.,2) vi/vt.通过,经过 The plan did not go through. Can the table go through (the door)?,3) 调查；翻找； 查看,Mother went through the drawer for her glasses. He went through his article again.,read through 通读 look through 浏览 flow through 流过 get throu

10、gh 通过, 接通, 完成 search through 搜寻, 查找,do research on /into /in.,从事, 进行, 做研究,They are doing research into the causes of cancer.,注意: research可作可数名词和不可数 名词, 有自己的单复数形式。 但是短语do research on /into /in. 中research 为不可数名词。,When I called up my mother in the countryside on the telephone, she was very upset.,call

11、up 打电话, 使回忆起,今晚我会给你打电话。,Ill call you up tonight. (ring sb. up),老相片引起了我对童年的回忆。,The old photo calls up memories of my childhood. (recall sth.),call back call for call in call on call at,召唤某人回来; 再访; 回电话 需要, 要求, 接(人或物) 邀请; 请来 拜访(人) 拜访(某地),-Can I do the job? -Im afraid not, because it _ skill and patienc

12、e. A. calls on B. calls back C. calls up D. calls for,D,call on drop in on pay a visit to go on a visit to visit,call at drop in at pay a visit to go on a visit to visit,拜访某地,+sp.,拜访某人,+ sb.,now and then 时而; 不时,我偶尔看见他, 但不常见。 我有时喜欢去看歌剧。,I see him now and then, but not often.,I like to go to the opera

13、 now and then.,from time to time (every) now and again sometimes at times/occasionally once in a while,时而; 不时,distinguish oneself 显扬自己, 使自己扬名 The man distinguished himself by his wisdom. distinguish vt. /vi. 1) 辨别; 辨认 I cant distinguish the twins, they are so alike. 从远处我能认出他们。 I can distinguish them

14、 at a distance.,2) (常与from, between连用) 区别; 区分 distinguish A from B 把A与B区分开 distinguish between A and B 你能区分那两个物体吗？ 应当教育孩子明辨是非。 Children should be taught to _.,Can you distinguish between those two objects?,distinguish right from wrong,语言把人和动物区别开来。 Speech _. 象因为有长鼻子而有别于其他动物。 Elephants _ by their long

15、 trunks. You should be able to _ right from wrong. A. differ B. distinguish C. determine D. observe,distinguishes man from animals,are distinguished,distinction distinctive,n. 区别, 差异 adj. 有特色的, 与众不同的,B,merciful adj.仁慈的，慈悲的，宽大的 be merciful to/towards merciless adj. 无情的 mercy n.,seem的归纳总结,seem +(to be

16、) +形容词/名词/介词短语/分词,Something seemed to be wrong with him. He seemed to be a good leader. You seemed to be in a great hurry. The first memories seemed to be connected with work.,It seems that. It seems as if/ as though. There seems (to be ).,seem 构成的句式:,It seems that everyone was satisfied. It seems a

17、s if you are the first one here. There seems (to be) no reason for believing him.,set about doing sth. 着手; 开始 set out to do sth.,他一到那儿就着手解决问题。 He _ as soon as he arrived there. = He _ as soon as he arrived there.,set about solving the problem,set out to solve the problem,set out for 动身, 出发 他们已出发到上海去

18、了。,They have set out (= set off ) for Shanghai.,set out set out to do sth. set off set aside set down set up,出发, 起程 开始做某事 出发, 使爆炸 留出, 对不予考虑 记下, 写下 设立，建立,be in the habit of out of habit break the habit of develop/form the habit of fall into get into acquire,habit n. 习惯,出于习惯,打破.的习惯,养成.习惯,有.的习惯,They ab

19、ruptly disappeared into a convenient hole in the wall.,abruptly adv. 突然地, 唐突地 abrupt adj. 突然的; 意外的 这路有很多急转弯。 The road is full of _. 这会议突然结束了。 The meeting came to _. 我们的讨论突然给缩短了。 Our discussion was _ curtailed.,abrupt turns,an abrupt end,abruptly,Nor will you receive a patent until a search has made

20、to find out that your product really is different from everybody elses.,以否定词no, not, never, hardly, seldom, neither, little等开头的句子, 句子的主句要部分倒装。,Never can you pass the exam if you dont devote yourself to your study. Never have I seen such an exciting film. Little did I know what was about to happen.,b

21、ear vt. (bore, borne/born) 1)忍受+ n. / doing / to do I cant bear the pain any more. I cant bear living alone/ to live alone. 2)负担 The ice on the lake cant bear your weight. Who will bear the expense?,Edison,the tin foil phonograph (留声机),How many inventors do you know?,James Watt,steam engine,Wright b

22、rothers,Albert Einstein,Theory of Relativity,Match the following two columns.,Galileo Einstein Newton Watt Edison Alexander graham Bell,telephone telescope steam engine bulb Theory of Relativity Newtons law,Telephones become part of our life. Do you know who invented the first telephone?,Alexander G

23、raham Bell,Alexander Graham Bell invented the telephone in 1876and this is the phone companys way of honoring his achievement! The very first phone call was from Bell to his lab assistant, and he said, “Mr. Watson, come here at once. I want you.”,first telephone design,Testing,Bells,Museum,He found

24、that by pressing his lips against his mothers forehead, he could make his mother understand what he was saying.,他发现当他把嘴唇放在母亲的前额上, 他 能让他母亲明白他所说的话。,Language Points,He believed that one should always be curious and his most famous saying was: “Leave the beaten track occasionally and dive into the woods

25、. Every time you do you will be certain to find something that you have never seen before. Follow it up, explore all around it, and before you know it, you will have something worth thinking about to occupy your mind. All really big discoveries are the result of thought.”,他认为人应该保持一颗好奇心, 他最著名的 一名话是:

26、“偶尔离开平路, 去寻求困境。当 你这么做的时候, 你一定会发现你从未见过 的东西。跟踪下去, 不断探索, 不知不觉中, 你就会发现某种值得思考的东西占据着你 的头脑。所有真正伟大的发现都是思考的结 果。”,beaten track 被踩出来的路，常规，惯例 From this case, you can see that all beaten tracks are not reliable. dive into 跳水(头朝下); 冲进，逃进 迅速把手伸入; (对活动, 问题等) 全心投入, 潜心研究 He dived into the history of China The boy div

27、ed into the river from the bridge He dived into his pockets and fished out one dollar,He _ his career and made a great contribution to our country. A. dived himself into B. devoted himself to C. dived into D. devoted to,B,注意: dive into 作 “潜心于” 讲时和devote oneself to sth. 的意思一样, 但devote oneself to sth.

28、 还有“投身于; 把自己奉献给” 的意思。,every / each time conj. 每次; 每当 能用做连词的名词短语还有： by the time 到 为止 the first time 第一次 last time 上次 next time 下次 the instant / moment / minute / second (that)-,第一次看见金门大桥, 我就深深爱上了它。 I loved Golden Gate Bridge the first time I saw it. 上次见他的时候我告诉他我想和他合作。 I told him that I wanted to team

29、 up with him last time I met him. 我一回家, 就开始下雨了。 The moment I got home , it began to rain. 下次我雇用厨师的时候, 我会打电话给你。 I will ring you up next time I hire a cook.,_ I sees him, the old man is sitting in the same chair. A. Every time B. Every time when C. At each time D. Each time that,A,follow up 继续下去 Thats

30、 an interesting idea, and well certainly follow it up.,If sound wave could be reproduced in a moving electrical current, they could be sent along a wire. 如果声波能够在移动的电流中复制, 它们就能够被 沿电线传送。,reproduce vt. 复制; 再现的形象或声音 The tape recorder reproduced the symphony. 录音机可使这交响曲重现。 current n. 气流; 水流, 洋流; 电流 adj. 时

31、下的, 当今的, 流行的, 通用的,Most of the old are interested in _ 大部分老年人都对时事感兴趣。 They are expecting profits of over $2 million in _. 他们期望今年的利润超过二百万美元。 The word is no longer _. 这个词已不再使用。,current events, the current year, in current use,current events,the current year,in current use,Being very stable, it has prov

32、ed invaluable in the design of bridges. (四面体)十分稳定牢固, 在桥梁设计 领域的价值难以估量。,Being very stable, 是Because it is very stable的省略句, 它在句中作原因状语。,stable: 1. The patients condition is stable. 2. The ladder doesnt seem very stable. 3.a stable relationship 4. We need a stable government.,稳固的; 稳定的; 安定的,invaluable adj. 无价的，极宝贵的（品质）