选修7Unit2 (2).ppt

1、Unit 2 Fit for life,【诵读积累】 (2010广东高考)以下是一则关于中国政府决定禁烟的报道的主要内容。 内容：公共场所禁烟 实施时间：2011年1月1日起 实施范围：全国 目标：所有室内公共场所无烟 措施：张贴禁烟标志 相关数据：(1)吸烟人数：约3. 5亿 (2)分布：男性75；女性25 (3)受二手烟影响人数：约5. 4亿 (4)因二手烟死亡人数：超过10万/年,请根据以上内容给学校英语墙报写一篇通讯。 China begins to carry out the policy to prevent smoking in public buildings since Ja

2、nuary 1st, 2011. The main aim is to make every public room have no smoke by posting the sign of “No Smoking”. There are 350 million people smoking recently, in which the male hold 75 percent and the female hold 25 percent. Because of these smokers, about 540 million non-smokers are influenced. More

3、than 100 thousand people per year die of second-hand smoke.,【尝试运用】 词汇翻译 carry out _ because of _ more than _ per year _ die of _,执行，贯彻,由于，因为,超过，多于,每年,死于,句式仿写 他的主要目标是拯救更多病人的生命。 _ 由于大雨，那是一次不愉快的旅行。 _,His main aim is to save more patients lives.,Because of the heavy rain, thats an unpleasant trip.,话题写作

4、先将下面几个句子翻译成英语，然后连成一段小短文。 1. 一种对心脏病有效的新药被发明了。 2. 这种药一天吃三次，一次两片。 3. 如果需要也可多吃一到两片。 4. 如果你吃后感觉不舒服，请立刻停药。 5. 为了安全起见，吃前请遵医嘱。,A new kind of medicine has been invented, which is beneficial to heart attack. It should be taken three times a day and two tablets once. You can also take one or two more tablets i

5、f needed. But if you are not feeling well after taking the medicine, you should stop taking it at once. For your safety, its better to follow the doctors advice before taking it.,. 单词盘点 核心速记 1. _(n. ) 可能性，潜在性；潜力，潜能 (adj. ) 潜在的，可能的 2. _(vi. 使厌烦 _ 7. 在中起重要作用 _ 8. 意识到 _,open up,try out,in large quantit

6、ies,mass production,due to,wear somebody out,play an important role in,be aware of,9. be cautious about _ 10. let out _ 11. swell up _ 12. be connected with. . . _ 13. be addicted to. . . _ 14. block . . . from. . . _ 15. relate. . . to. . . _ 16. subscribe to _,对小心谨慎,放出，发出,肿胀，膨胀,和有联系,对上瘾，成瘾,阻止,把与相联

7、系,同意，赞成,. 句型透视 1. its likely that. . . 可能 If you open up any medicine cupboard or go to any medicine counter in the world, _(可能)you will find aspirin and penicillin. 2. not only. . . but (. . . ) also. . . 不但而且 _ _(阿司匹林不仅被证明对于退烧、止痛必不可少), but there are also other things that aspirin can help with.,No

8、t only has aspirin proved vital for reducing fever and,helping stop pain,it is likely that,3. it作形式主语 _(令他十分惊讶的是) to see the bacteria surrounding the mould dead, which meant that the mould had killed them. 4. on doing一就 _(一到达)the hospital reception, we saw there were a lot of people there. 5. as引导方式

9、状语从句 After we got home, granny took the medicine _ _(就按照医生吩咐的).,It astonished him,just as the doctor,had instructed,On arriving at,6. so that引导目的状语从句 We have adjusted all the lights in the classrooms _ _(以便每个房间都被照得很亮). 7. while连接并列句，表对比，“而，然而” Some acupuncturists insert needles at or near the body p

10、art affected by the disease, _ _(而另外一些则根据病人的病症选择扎针的位置).,so that each,room is well lit,while others select points according to,the symptoms that the patient has,. 语篇完形 Nearly 3, 500 years ago, some recipes recommended drinking a kind of tea made from leaves possessing a special chemical to 1. _ body

11、pains. In 1897, a European chemist produced aspirin from this 2. _. The first trials of this medicine took place in 1899, 3. _ the powder form began to be used with 4. _. In 1900, it was sold in shops as a 5. _.,reduce,chemical,when,patients,tablet,Penicillin was 6. _by a Scottish scientist in 1928.

12、 He thought it might help in treating wounds and illnesses 7. _by bacteria. But it was not until World War 8. _two other scientists managed to make and 9. _the new drug in large quantities. Thanks to it, many lives were saved during World War . It can also treat other 10. _including pneumonia(肺炎).,d

13、iscovered,caused,that,test,illnesses,1. 选词填空 (1)Renew the magazines that I _for another year. (subscribe/subscribed) (2)Children need to learn to _to other children. (relate/relation),subscribed,relate,(3)Im going to _for the school play tomorrow. (try out/put out) (4) _any questions you have and se

14、e what answers you come up with. (let out/let down) (5)It _her that he was able to survive the big fire. (astonished/astonishes),try out,Let out,astonished,2. 选用句型透视中的句式仿写句子 (1)他可能不会参加明天的会议。 _ (2)她不仅英语学得好，而且其他科目学得也很好。(not only位于句首) Not only is she good at English, but she also does well in other sub

15、jects.,It is likely that he wont attend the meeting tomorrow.,(3)一到达南京，我们就被领着参观了这个城市。 _ (4)我会给你所有的事实以便你可以自己判断。 _ (5)我喜欢音乐，而我弟弟喜欢体育运动。 _,On reaching Nanjing, we were shown around the city.,I will give you all the facts so that you can judge for yourself.,I am fond of music while my brother is fond of

16、 sports.,1. astonish vt. 使十分惊讶，使吃惊 It astonished me that no one had thought of it before. 以前谁也没想到这一点，这使我大为惊讶。 They were astonished to find the driver was a six-year-old boy. 他们很惊讶，发现司机是个岁的男孩。 I spotted a shooting star which, to my astonishment, was bright green in color. 我看见了一颗划过长空的流星，让我惊讶的是，它是鲜绿色的。

17、,He looked at me in astonishment. 他惊奇地望着我。 【归纳】填写适当的词 _ astonished sb. that. . . /to do . . . 使某人大为惊讶 sb. be astonished _sth. 某人对做某事感到惊讶 _ ones astonishment 令某人惊讶的是 _ astonishment 吃惊地,It,to do,to,in,【助记】To my astonishment, they seemed astonished to hear the astonishing news, and looked at me in asto

18、nishment. 令我吃惊的是，他们听到这个令人惊讶的消息时似乎大吃一惊，并惊讶地望着我。,【高考链接】 (2010辽宁高考)We were astonished _ the temple still in its original condition. A. finding B. to find C. find D. to be found 【解析】选B。考查非谓语动词。句意：发现那座寺庙依然是最初的面貌，我们很惊讶。be+表情绪的形容词+to do是常用的搭配，动词不定式作原因状语。,2. addicted adj. 上瘾；入迷 (1)be addicted to 对上瘾；沉迷于 (2)

19、addict vt. 使上瘾；使沉迷于 addict oneself to sth. 沉迷于某物；对着迷 (3)addiction n. 上瘾；沉溺；入迷 Jack _ _ _ drugs at quite an early age. 杰克很小年纪时就吸毒成瘾了。,became,addicted,to,He addicted himself to drinking. 他喝酒成瘾。 He treats an average of four adults a month for an addiction to online games. 他平均每月要治疗四位玩网络游戏成瘾的成年人。 【点津】和ad

20、dicted/addiction连用的to是介词，其后要跟名词、代词、动名词作宾语。,【辨析】理解下列区别并选词填空,Addictive,addicted,【想一想】表示“沉迷于，致力于”之意的还有哪些短语？ 【参考答案】 be devoted to; be absorbed in; be lost in; be occupied with/in doing; concentrate on,3. relate vt. 放大(衣服)；泄露 观察句子，写出黑体部分的含义 The wounded man let out a cry of pain. ( ) Mary accidentally let

21、 out that her mother had telephoned. ( ) If he was given five years imprisonment, he could be let out after three years. ( ),发出,泄露,释放,Ill have to let this dress out a bit before the wedding next week. ( ) 【拓展】 let alone 更别提 let sb. alone 不要去管，让某人独自留在那里 let. . . be 别打扰，不干预 let down 使失望，放下 let off 从轻处

22、理；放掉；免除,放大，加宽,5. If you open up any medicine cupboard or go to any medicine counter in the world, it is likely that you will find aspirin and penicillin. 倘若你打开世界上任何一个药柜或去任何一家药店的柜台，都很可能找到阿司匹林和青霉素。 本句中it is likely that. . . 为固定句型，意为“很可能做某事”。可以转换为：Sb. /Sth. be likely to do sth. ，此句型与There is a high pro

23、bability that. . . 同义。,句型转换 Its likely that she will come next month. =She _ _ _ come next month. 她下月很可能来。 Because he works so hard, there is a high probability that he will pass the language exam. =Because he works so hard, _ _ _he will pass the language exam. 因为他学习很认真，所以他通过这次语言考试的可能性很大。,is,likely,

24、to,its,likely,that,【辨析】理解下列区别并选词填空,probable,possible,likely,【助记】 不同大小的可能,【高考链接】 (2010陕西高考)Studies show that people are more _to suffer from back problems if they always sit before computer screens for long hours. A. likely B. possible C. probable D. sure 【解析】选A。likely作表语时，主语既可以是人，也可以是物或it, 而possible

25、，probable作表语时，主语一般不能是人。所以可排除B、C两项。sb. be sure to do sth. 某人一定会做某事，在语气上太绝对，不符合句意，可排除D项。,1. potential n. 可能性，潜在性；潜力，潜能 adj. 潜在的，可能的 Its very important to draw out a childs potential capacities. 发掘孩子的潜在能力是很重要的。 This new invention has an enormous sales potential. 这项新发明有巨大的销售潜力。 John could see the potent

26、ial for his product. 约翰清楚地意识到自己的产品的潜力。,He showed great potential as an actor. 他表现出当演员的巨大潜力。 【归纳】填写适当的介词 potential _ 的潜力 potential _ 作为的潜力,for,as,2. subscribe vi. 定期订购或订阅；同意，赞成 vt. 签署(文件)；捐助 My main reason for subscribing to New Scientist is to keep up with advances in science. 我订阅新科学家的主要原因是要跟上科学的进步。

27、 Its not an opinion I tend to subscribe to. 这个观点我不太赞同。 Has he subscribed his name to/on the papers? 他在文件上签名了吗?,I have subscribed 20, 000 to/for the institute. 我为该机构已捐助了2万英镑。 【归纳】填写适当的介词 subscribe _ 订阅；同意，赞成 subscribe . . . _ 在上签名 subscribe . . . _ 向捐助,to,to/on,to/for,【点津】subscribe 常和介词to连用，后跟名词、代词或动

28、名词。 【助记】They finally subscribed to the suggestion that they(should) subscribe to English newspapers and subscribe them to the village school. 他们最终同意了订购英语报纸并把它们捐赠给这所山村学校的建议。,3. wear somebody out 使筋疲力尽；使厌烦 worn out精疲力竭的，破旧的，用坏的 Looking after four children wears her out. 照看四个孩子使她筋疲力尽。 Before the race,

29、he is fine. But afterwards he is worn out. 比赛前，他状态良好。但比赛后，他就疲惫不堪了。 Youd better buy a new jacket; yours looks almost worn out. 你最好买件新的夹克，你的夹克看起来几乎要磨破了。,【拓展】补全下列短语 wear _ 耗尽；穿旧，磨坏 wear _ 逐渐消失；消逝；逐渐停止 wear _ 变薄；变光滑；磨光 wear _ 使衰弱，使意志减弱,out,off,away,down,4. try out 测试，试验；参加选拔 观察句子，写出黑体部分的含义 We wont be ab

30、le to tell what skills the man has until we try him out. ( ) Scientists tried out thousands of chemicals before they found the right one. ( ) These teams are going to try out for the Olympic Games. ( ),试用,试验,参加选拔,【拓展】 try out for 参加选拔 try on 试穿，试用 try for 谋求，争取,. 改正下列句子中的错误(每句只有一处错误) 1. Sunshine is

31、beneficial of plants. ( ) 2. She was quite astonishing at his rudeness. ( ) 3. With no approve from his parents, he still went ahead with his plan to study abroad. ( ) 4. The old man addicted himself to drink. ( ) 答案：1. ofto 2. astonishingastonished 3. approveapproval 4. drinkdrinking,5. I cant rela

32、te what you said with what I saw. ( ) 6. The president subscribed the idea that a meeting should be held at once. ( ) 7. The new method seems good but it needs to try out. ( ) 8. Sales are possible to drop further. ( ) 答案：5. withto 6. subscribed后加to 7. trybe tried 8. possiblelikely,9. Mother is busy

33、 cooking in the kitchen, but Father is still watching TV in the sitting room. ( ) 10. You will wear yourself away if you carry on working so hard. ( ) 答案：9. butwhile 10. awayout,. 句型转换 1. There is a high probability that you will find aspirin and penicillin. _you will find aspirin and penicillin. 2.

34、 Regular radio broadcasts didnt begin until 1920. not until 的倒装句 _regular radio broadcasts begin. not until 的强调句型 _regular radio broadcasts began. 3. The first trial of this medicine took place in 1899. This medicine was first _in 1899.,It is probable/likely that,Not until 1920 did,It was not until

35、1920 that,tried out,4. Not only has aspirin saved many peoples lives by reducing fever and helping stop pain, but there are also other things that aspirin can help with. Aspirin has _saved many peoples lives by reducing fever and helping stop pain, but it _other things. 5. This bacteria-killing medi

36、cine is considered by many to be one of the most important medicines in contemporary society. Many _ this bacteria-killing medicine _ one of the most important medicines in contemporary society.,not only,can also help with,consider,as,6. He immediately thought that this application might help in treating wounds and illnesses caused by bacteria. He immediately thought that if he applied _ _treating wounds and illnesses caused