牛津高中英语选修七unit2twolifesavingmedicinesreading课件(共46张).ppt--（课件中不含音视频）

1、 Look at the pictures on page 17.Would you like to do any of the jobs shown in the pictures?New words drug revolution medicine counter likely beneficial invent chemical chew possess physician chemist risk tree bark contain trial distribute powder tablet form pain relief vital potential stroke diabet

2、esvWhat are the two medicines mentioned in the article?vWhen was penicillin first discovered?vWhat did Fleming,Florey and Chain share?When did people find that drinking a special tea could reduce fever and pain?When was aspirin first made?What is the main idea of paragraph 3?A.The history of aspirin

3、B.Aspirin can reduce heart attack C.Other functions of aspirin besides reducing pain and fever.It can also help(to)reduce the risk of heart attacks prevent strokes reduce the risk of some cancers increase the length of peoples lives reduce blood sugar level and help with diabetes.language points foc

4、us on(L1)millions of(L4)prove beneficial to(L4)chew on sth.(L8)in powder form(L15)/in the form of(L16)pain relief(L17)have the potential to do(L21)reduce the risk of(L21)carry out(L22)reduce.by.(L26)help do sth.(L27)Sentence analysis If you open up any medicine cupboard or go to any medicine counter

5、 in the world,it is likely that you will find aspirin and penicillin.(L2-3)Its likely that 很有可能很有可能.likely adj.可能的 反：unlikely sb.be likely to do sth.类似结构：类似结构：It is probable/possible that Its probable/possible for sb.to do sth.There is possibility that.Nearly 3500 years ago,people chewed on leaves o

6、r drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever.(L8-10)主干：people chewed on leaves or drank a kind of tea 定语：made from leaves 修饰tea;possessing a special chemical修饰leaves.目的状语：to reduce body pains and feverIt was in 1897 that a European chemist calle

7、d Dr.Felix Hoffmann produced aspirin from this chemical.(L12-13)It is/was+被强调部分+that.强调a European chemist called Dr.Felix Hoffmann-It was a European chemist called Dr.Felix Hoffmann that produced aspirin from this chemical in 1897.Not only has apirin proved vital for reducing fever and helping stop

8、pain,but there are also other things that aspirin can help with.(L18-20)not only.but(also).后所连接的词性必须对等。not only 连接两个分句，放于句首时，此分句要用部分倒装。He spoke not only more correctly,but more easily.The poor man not only had been fined,but also had been sent to prison.It is vital that.“.是至关重要的”；从句中的谓语动词要用“(should)

9、+动词原形”It is vital that every piece of equipment(should)be checked before the experiment 4.In a mould that killed bacteria.5.It might be used to treat illnesses caused by bacteria.6.First he was unable to find a proceduce to make a penicillin pure enough to work as a medicine.Second,it was difficult

10、to produce penicillin in the ample quantities nedded to be effective.be considered(to be/as)(L33)in contemporary society(L34)note(L35)grow bacteria(L36)try out on sth.(38-39)have an application in treating illnesses(L40)name sb./sth.sth.(双宾语双宾语)(L41-42)work as(L44)manage to do sth.(L47)in large quan

11、tities(L47-48)due to the widespread use of (L50)It astonished him to see the bacteria surrounding the mould dead,which meant that the mould had killed them.It astonished sb.to see/find/hear.让某人震惊现在分词“surrounding the mould”充当bacteria的后置定语关系代词“which”引导非限制性定语从句，指代_?在从句中充当_?the bacteria surrounding the

12、mould dead主语 If penicillin had not been available,many people would have died from sickness or even small wounds.-与过去事实相反的虚拟语气从句：had done;主句：would have done要是你早一点到的话，你就可以碰见他。If you had arrived earlier,you would have met him.=Had you arrived earlier,you would have met him.Part D:1.revolution2.benefic

13、ial3.possess4.circulate5.astonish6.approval7.acceleratea.having a good effectb.surprise someone very muchc.agreement to go ahead with a plan or an idea.d.have or own something.e.make something happen faster than usualf.a great change that affexts many peopleg.move around a place or system without st

14、opping_fadgbceE Read this passage about how new drugs are discovered.Complete it with the words in the box.application unable sicknesses potential abnormal effective New drugs are found in many different ways.Some vital medicines have been found because scientists were looking for then.For example,D

15、r Felix Hoffmann knew of different traditional medicines that could provide relief for symptons such as fever and pain.However,these traditional medicines had the(1)_ of either causing people to bleed or have a severe stomach upset,or they were too weak to be(2)_.potentialeffectiveDr Hoffman was abl

16、e to pick out one of these traditional medicines and make it more beneficial.Thus,aspirin was born.Today,researchers all over the world are exploring traditional medicines to see how they can be improved and applied in modern medicine.Other drugs are discovered by accident.For example,Alexander Flem

17、ing was not looking for penicillin,but was doing research on something else.Fleming would have been(3)_ to make his discovery if he had ignored the mould.unableSince it was(4)_ for mould to be in that lad dish,something must have gone wrong.Perhaps the dish had not been cleaned using the proper proc

18、edures.Perhaps a window had been opened,and the mould had been carried in by the wind.We will never know.However,with the(5)_of his discovery,millions of people have been cured of different(6)_.What other happy accidents may happen in the future,saving many lives?abnormalapplicationsicknesses open u

19、p:phrasal verb(1)to show something that was hidden or not previously known:The debate could open up sharp differences between the countries.这次辩论能够揭露这些国家之间的明显差异。这次辩论能够揭露这些国家之间的明显差异。(2)to make a space larger or less enclosed:Were going to open up our kitchen by knocking down a couple of walls.我们打算把墙壁推

20、倒来扩大我们的厨房。我们打算把墙壁推倒来扩大我们的厨房。Language Points(3)to start to talk more about yourself and your feelings:Ive never opened up to anyone like I do to you.我从来没有对任何人像对你一样地敞开心扉。我从来没有对任何人像对你一样地敞开心扉。focus on sth.聚焦于聚焦于听讲座的时候听讲座的时候,你应该特别关注演讲者的主要观你应该特别关注演讲者的主要观点。点。When listening to a lecture,you should focus on

21、the speakers main points.这个节目主要讲述了中国的太空探险。这个节目主要讲述了中国的太空探险。The program mainly focuses on Chinas space exploration.你必须把思想集中在解答难题上。你必须把思想集中在解答难题上。You must focus your mind on working out the problem.所有的目光都集中在演讲者的身上。所有的目光都集中在演讲者的身上。All the eyes were focused on the speaker.focus ones mind/attention/eyes

22、on把把集中于集中于to be the focus of attention成为注意力的中心成为注意力的中心明星一走进大厅便成了大家注意的中心。明星一走进大厅便成了大家注意的中心。The superstar immediately became the focus of attention when he entered the hall.环境保护的话题是我们这十年重点关注的东西。环境保护的话题是我们这十年重点关注的东西。The topic of environmental protection is our focus in this decade.focus n.中心中心(点点),集中点集

23、中点,焦点焦点他躺在草地上他躺在草地上,眼睛凝视着天空。眼睛凝视着天空。He lay on the grass,with his eyes _ on the sky.focused fixedmakefrom:to produce something,often using a particular substance or material:Butter is made out of/from milk.黄油是用牛奶做的。黄油是用牛奶做的。相关短语相关短语:makeof/be made ofEarrings are made of gold.makeinto/be made intoWood

24、 can be made into tables.make up/be made up ofEleven players make up the football team.The football team is made up of eleven players.耳环是金子做的。耳环是金子做的。木头可以制成桌子。木头可以制成桌子。11个队员组成了这支足球队。个队员组成了这支足球队。这支足球队是由这支足球队是由11个队员组成的。个队员组成的。trial:noun C or U a test,usually over a limited period of time,to discover h

25、ow effective or suitable something or someone is:Theyve employed her for a six-month trial(period).他们雇佣她已经有他们雇佣她已经有6个月的试用期了。个月的试用期了。这个新方法正在试用。这个新方法正在试用。his new method is on trial.trial and error:nouna way of achieving an aim or solving a problem by trying a number of different methods and learning f

26、rom the mistakes that you makeTheres no instant way of finding a cure its just a process of trial and error.找到一种治疗办法没有便捷的方式找到一种治疗办法没有便捷的方式这是这是一个反复试验的过程。一个反复试验的过程。in any shape or form:of any typeIm opposed to war in any shape or form.我反对任何形式的战争。我反对任何形式的战争。inform=in the form ofThe lawn was laid out in

27、 the form of the figure eight.这块草坪是以八这个数字的形式设计的。这块草坪是以八这个数字的形式设计的。contain:verb T not continuous to have something inside or include something as a part:How much liquid do you think this bottle contains?你认为这个瓶子里装有多少水你认为这个瓶子里装有多少水?Try to avoid foods which contain a lot of fat.尽量不要吃含有很多脂肪的食物。尽量不要吃含有很多脂

28、肪的食物。length:noun(1)C or U the measurement of something from end to end or along its longest side:The boat is ten metres in length.这艘船长这艘船长10米。米。(2)C a piece of something such as string or pipe:a length of rope一段绳子一段绳子(3)C the amount of time something takes:the length of a film/speech/play一部电影一部电影/一篇

29、讲话一篇讲话/一部戏剧的长短一部戏剧的长短keep sb.at arms length:to not allow someone to become too friendly with you:I always had the feeling she was keeping me at arms length.我一直感觉她避免我和她亲近。我一直感觉她避免我和她亲近。at length:(1)If something happens at length,it happens after a long period of time：At length,they allowed her to go

30、home.终于他们允许她回家了。终于他们允许她回家了。(2)in great detailspeak at(great)length详细得讲了好久详细得讲了好久 note:verb T(1)to notice something:They noted the consumers growing demand for quicker service.他们注意到了消费者们对更快的服务的日益他们注意到了消费者们对更快的服务的日益增长的需求。增长的需求。I failed to note that he had left.我没有注意到他已经走了。我没有注意到他已经走了。(2)importance,or

31、when something deserves attention:noun U There was nothing of note in the latest report.最近的报道里没有什么值得注意的。最近的报道里没有什么值得注意的。noted adjective known by many people,especially because of particular qualities:Shes not noted for her patience(=She is not a patient person).她因为没有耐心而出名。她因为没有耐心而出名。quantity:n.C or

32、U the amount or number of sth.,especially that can be measured or is fixed:Police found a large/small quantity of drugs in his possession.We consumed vast quantities of food and drink that night.警察发现他拥有大量的毒品。警察发现他拥有大量的毒品。那天晚上我们消费了大量的食物和饮料。那天晚上我们消费了大量的食物和饮料。They are now developing ways to produce the

33、 vaccine in large quantities and cheaply.他们正在研制大批并且廉价地生产疫苗的方法。他们正在研制大批并且廉价地生产疫苗的方法。表示表示“许多许多”的词或短语如下：的词或短语如下：(1)修饰可数名词的：修饰可数名词的：many,a great/good many,quite a few,a large/great number of /numbers of,many a,(2)修饰不可数名词的：修饰不可数名词的：much,a great deal of,a large amount of/large amounts of(3)既可以修饰可数又可以修饰不可数

34、名词的：既可以修饰可数又可以修饰不可数名词的：a lot of/lots of,plenty of,a large quantity of/large quantities of,a mass of,masses of(2007浙江浙江)We always keep _ spare paper,in case we ran out.A.too much B.a number C.plenty of D.a good many高考链接高考链接 available:adjective able to be obtained,used,or reached:Is this dress availab

35、le in a larger size?这件礼服有大点尺寸的吗？这件礼服有大点尺寸的吗？我们必须确保每个人都可以喝到新鲜的淡水。我们必须确保每个人都可以喝到新鲜的淡水。We must make sure that fresh drinking water can be available to everyone.die:verb I dying,died,died to stop living or existing,either suddenly or slowly:She died of/from hunger.她死于饥饿。她死于饥饿。die相关短语相关短语:die from：死于（外因）

36、死于（外因）die of：死于（疾病，饥饿，严寒等内因）死于（疾病，饥饿，严寒等内因）die away：（声音等的）消逝（声音等的）消逝die down：（火势，怒气等的）平息（火势，怒气等的）平息die out：（风俗习惯，物种等的）灭绝，（风俗习惯，物种等的）灭绝，消失消失die off：相继死去直至死光相继死去直至死光die for：为：为而死；渴望得到而死；渴望得到 The sound of his footsteps gradually diedaway.他的脚步声渐渐地消失了。他的脚步声渐渐地消失了。It was several minutes before the applause died down.几分钟后掌声才平息下来。几分钟后掌声才平息下来。Dinosaurs died out millions of years ago.恐龙是数百万年前灭绝的。恐龙是数百万年前灭绝的。Its a custom which is beginning to die out.这是一个开始消失的风俗。这是一个开始消失的风俗。His parents died off within a year.他的父母在一年内相继去世。他的父母在一年内相继去世。I am dying for/to have a drink.我口渴得要命。我口渴得要命。