湖南省怀化市溆浦县第三中学高中英语课件 译林牛津版 选修7 UNIT 2TWO LIFE-SAVING MEDICINES READING.ppt

1、牛津版高二 模块七Unit 2Designed by Ms.HanzxxkUnit 2 ReadingUnit 2 ReadingTwo life-saving medicinesTwo life-saving medicines组卷网Whats this medicine called in English?aspirinAnd whats this medicine called in English?penicillin学科网1.Have you ever taken aspirin and penicillin?What illnesses can the two medicines

2、cure?2.What else do you know about these two medicines?Read as quickly as you can and find the answers to the following questions.1.What are the two medicines mentioned in the article?2.When was one of the medicines first sold as a tablet?3.What did Fleming,Florey and Chain share?In 1900.The Nobel P

3、rize.Aspirin and penicillin.1.When did people find that drinking a special tea could reduce fever and pain?2.2.When was aspirin first made?In 1897.Read the passage carefully and answer some detailed questions:About 3,500 years ago.3.What other things can aspirin help with besides reducing fever and

4、pain?It can also help reduce the risk of heart attacks by thinning blood,prevent a stroke,reduce the risk of some cancer,increase the length of peoples lives and help with diabetes.4.Where did Alexander Fleming find penicillin?In a mould that killed bacteria.5.What illnesses did Alexander Fleming fi

5、nd penicillin?It might be used to treat illnesses caused by bacteria.6.What difficulties did Fleming have in developing penicillin as a drug?First he was unable to find a procedure to make penicillin pure enough to work as a medicine.Second,it was difficult to produce penicillin in the ample quantit

6、ies needed to be effective.Cooperation学生分小组以时间为线索，讨论两种药的历史。Further readingRead the passage again and try to fill in the following form.TimeDevelopment19001971sold in shops in the from of tabletsProved to reduce the risk of heart attacksTimeDevelopment19772003used to prevent a strokesused to reduce b

7、lood sugar levelsTimeDevelopment192819401944discovered by Alexander Flemingmade and tested in large quantitiesmass production beganEffects of aspirin:reduce fever help stop body pains help the blood circulate better reduce the risk of heart attacks prevent strokes reduce the risk of some cancer incr

8、ease the length of peoples livesEffects of penicillin help in treating wounds and infections treat illnesses caused by bacteriaAnswers of activity D:1._ 2._ 3._4._ 5._ 6._7._fadgbceAnswers of activity E:1._ 2._ 3._ 4._5._ 6._potentialeffectiveunableabnormalapplicationsicknesses1.Tell us your develop

9、ment according to the passage.2.What influence do you have on our lives.Suppose you are aspirin or penicillin1.What would the world be like if the two medicines had not been discovered?2.Do you believe that mew medicines will be invented to treat diseases like AIDS in the future?1.This article will

10、focus on two drugs that started revolutions in medicine.focus on 集中于上e.g.As a student,you are supposed to focus on your studies.The program focuses on environmental protection.Language points2.The first trials of this medicine took place in 1899.trial n.试验e.g.The trials show that smoking will do har

11、m to people.试验显示抽烟对人体有害。3.that aspirin had the potentialreduce the risk of hear attacks,reduce vt.减少;削减e.g.Reducing the cost is one way for companies to make money.削减花费对公司来说是节约钱的一种方式。Practice:Eating a lot of green food helps _(降低心脏病的危险).reduce the risk of heart diseaseGuess the meaning of each phras

12、e.1)You have to take/run a lot of risks if you want to succeed in business.2)Anyone swimming in this lake does so at his own risk.3)The disease is spreading and all young children are at risk.冒险有某人担风险处境危险4.And in 1977 a study carried out in the USA showed that aspirin could prevent strokes,as well.c

13、arry out 执行,进行e.g.The new policy should be carried out no matter how difficult it is.Once a plan is made,it should be carried out as soon as possible.Chinese astronauts(执行)_ the mission in space exploration successfully.have carried out1)They are _ urgent repairs.2)Marsha got so _ when arguing with

14、her husband that she hit him.3)Even after the music started they _ talking.carrying outcarried awaycarry out;carry away;carry on;carried onas well (1)as well常用作状语，作“又；也”解，相当于too或also，常位于句末，无须用逗号与句子分开。如：I am going to London and my sister is going as well（going，too）.我要到伦敦去，我妹妹也要去。I not only play the g

15、uitar，I sing as well（I also sing）.我不但弹吉他，而且还演唱。(2)as well 在口语中也可用于句中，作“也好，也行”或“倒不如”解，用来缓和语气。如：You may as well go.你去也好。The weather was so bad that we might（just）as well have stayed at home.天气太坏了，早知道如此，倒不如呆在家里为好。They play all kinds of instruments and sing _.A.also B.either C.as well D.as well as Im su

16、re I was right、It is just _ I didnt lend him the money.A.so well B.as well as C.as well D.the same as 5.He noted that a dish in which he was trying to grow bacteria for an experiment looked abnormal note vt.注意到;写下来e.g.When you search for information on the Internet,youd better note its sources.Youd

17、better note the time of reading each paragraph so that you can improve your reading ability.Guess the meaning of“note(n.)”.1)We should also read the notes on the text at the back of the book.2)At first I was going to write Kathy a note,but then I decided to call her instead.3)We always take notes in

18、 class.注释笔记便条6.Due to the widespread use of penicillin,many lives were saved during the War.due to 因为;由于e.g.Due to his careless driving,the accident took place,which cost him his left leg.The farmers failed to have a good harvest due to the bad weather.1.Nearly 3,500 years ago,people chewed on leave

19、s or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever.(P18)难句解析句子结构分析：句中made from leaves 是过去分词短语，用作a kind of tea 的后置定语；possessing a special chemical 是现在分词短语，用作leaves的后置定语。2.It was in 1897 that a European chemist called Dr Felix Hoffmann produced aspir

20、in from this medical.(P18)1)句子结构分析：这是一个强调句型，对时间“in 1897”进行强调。a European chemist produced aspirin为句子主干；called Dr Felix Hoffmann为动词过去分词短语作定语;from this chemical为介词短语作状语。2)语言知识分析：It was in 1897 that.强调时间“in 1897”，意为“就是在1897年”。a European chemist called Dr Felix Hoffmann意为“一个名叫Dr Felix Hoffmann的欧洲化学家”，cal

21、led Dr Felix Hoffmann相当于定语从句who was called Dr Felix Hoffmann。3.The first trials of this medicine took place in 1899,when the company Hoffmann worked for began distributing the medicine in powder form to physicians to use with patients.(P18)1)句子结构分析：在这个长句中，The first trials of this medicine took place

22、 in 1899 是主句;when the company.是定语从句,修饰时间1899；在定语从句中,the company began distributing the medicine to physicians是主句；Hoffmann worked for是定语从句，修饰company；in powder form 为介词短语作定语，修饰medicine；to use with patients作目的状语。2）语言知识分析：the company Hoffmann worked for意为“Hoffmann为之工作的公司”。4.Not only has aspirin proved v

23、ital for reducing fever and helping stop pain,but there are also other things that aspirin can help with.(P18)句子结构分析：（1）句中not only位于句首，其所在的分句要用倒装结构，but also后的分局不用倒装。如：not only did the poor man lose his job,but he was also sent to prison.这个可怜的人不仅丢了工作，而且还被送进了监狱。（2）句中that aspirin can help with为定语从句，修饰前

24、面的other things。1.If you open up any medicine cupboard 2.or go to any medicine counter in the world,it is like that you will find aspirin and penicillin.(P18)考点 同位语从句考点考例考例 A warm thought suddenly came to me _ I might use the pocket money to buy some flowers for my mothers birthday（安徽 2006）A.if B.whe

25、n C.that D.which点拨 选。从句中成分齐全，that在从句中不作成分。2.It was in 1897 that a European chemist called Dr Felix Hoffmann produced aspirin from this medical.(P18)考点 强调句型:it is.that/when/who.考例1 He got his first book published.It turned out to be a bestseller.When was _?_ was in 2000 when he was still in college.（

26、浙江 2007）A.that;This B.this;It C.it;This D.that;It点拨 选D。that是指示代词，用来指前面提到的事;第二个空是强调句型it is.when.，强调时间状语，回答第二个句子中对时间的提问。考例2 It is not who is right but what is right _ is of importance.(重庆 2007)A.which B.it C.that D.this点拨 选C。本句为It is.that.强调句型，去掉It is.that.，剩下的是一个完整的句子。1.Write a brief introduction to the two medicines.2.Finish the exercises in the workbook.Homework