高中英语 Language points Unit2 reading课件 牛津版选修7

1、Language points,Do you still remember the effects of aspirin and penicillin?,Aspirin has saved many peoples lives by reducing fever and helping stop p_. Lawrence Craven introduced the idea that aspirin could reduce the r_ of heart attacks by t_ blood. Later on many scientists proved that aspirin cou

2、ld prevent many diseases. It is now r_ for reducing potential heart attacks, strokes and cancer.,Aspirin,pain,risk,thinning,recommended,Penicillin, discovered by Alexander Fleming in 1928, is c_ to be one of the most important medicines in contemporary society. Howard Florey and Ernst Chain managed

3、to use new chemical techniques to p_ it to be a medicine. Due to its widespread a_ , many lives were saved. In 1945, Fleming, Florey and Chain s_ the Nobel Prize in Medicine for their work.,Penicillin,considered,shared,purify,applications,1.some recipes recommended drinking a tea made from the dried

4、 leaves of a particular plant to reduce body pains. Lines 7-10 recommend: advise/propose recommend doctor recommend I aspirin blood sugar levels,doing sth sth to sb sb to do that(should),trial (n.) -try (n.): a test to see if something is effective or someone is suitable,2.The first trials of this m

5、edicine took place in 1899 when the company （which）Hoffmann worked for began giving the medicine in powder form to physicians to use with patients. Lines13-15,1) Medical trials should be done before a new drug can be put into use.,2) The first trial flight has been a great success.,3) In the one-yea

6、r trial, you must work hard and prove your ability.,4) It was by trial and error that I learnt much about medicine.,3. one of which introduced the idea in 1953 that aspirin could reduce the risk of heart attacks by thinning blood. Lines22-24,thin (adj.)-thin (v.),战争和疾病使人口减少了。,War and disease thinned

7、 the population.,She s tall and rather thin.,slow narrow calm warm dry dirty better lower,1) The train _ down to half its speed.,2) The river _ at the point.,3) I couldnt _ her.,4) Please _ the milk.,5) Nothing _ sooner than a tear.,6) Dont _ your hands, boys.,7) He _ his voice not to wake her.,slow

8、ed,narrows,calm,warm,dries,dirty,lowered,4. He noted that mould had grown on a special transparent jelly that had bacteria on it. Lines38-39,note: notice/write down, Please note that this shop will be closed on Sundays. He keeps a diary to note what happens to him.,1) We should also read the notes o

9、n the text at the back of the book. 2) He took another look and found it was a 10-pound note. 3) We always take notes in class. 4) At first I was going to write Kathy a note, but then I decided to call her instead. 5) Lily has a nice voice but she had trouble hitting the high notes.,Guess the meanin

10、g of “note (n.)” .,注释,纸币,笔记,便条,音调,5. this application might help in treating wounds and illnesses caused by bacteria. Lines 43-44,application (n.)-apply (v.),1)这种细菌在医学方面有很多应用。(application, variety) 2) 我们欢迎发明专利的申请。(application, patent),The bacterium has a variety of applications in medicine.,We welco

11、med the applications for patent for invention.,Biological discoveries are often applied _ the medical field. 2) I want to apply _ the boss _ this task.,to,for,to,application (n.)apply (v.),6. and in 1977, a study carried out in the USA showed that the chemical ASA in aspirin could prevent a stroke.

12、Lines26-27,1) The intern（实习医师）_the mission in the open air successfully. 2) Once a plan is made, it should _ no matter how difficult it is.,(has) carried out,be carried out,postpositive 后置定语,a study carried out in the USA showed that= a study in the USA showed that some recipes recommended drinking

13、a tea made from the dried leaves of a particular plant to reduce body pains a European chemist called Dr Flex Hoffmann produced acetylsalicylic acid from some other chemicals It was discovered by a Scottish scientist named Alexander Fleming in 1928. He named the chemical found in the mould penicilli

14、n and tried to,Lines 7-8,Lines11-13,Lines37-38,Lines 44-45,which is carried out,这两种制造于上个世纪的药挽救了很多人的生命。 The two drugs made in last century have saved many peoples lives.,这种新发明的果冻现在很受欢迎。 The newly invented jelly is very popular now.,7. They were able to produce it in large quantities. Line49 这种牌子的阿司匹林

15、在本地大量销售。 Aspirin of this brand is sold in large quantities here.,Large quantities of drugs_ been stored for the potential disaster.,have,Small quantities of medicine_ been stored for the potential disaster.,have,A large quantity of tea_ been sold.,has,8.It was in 1897 that a European chemist called

16、Dr Flex Hoffmann produced acetylsalicylic acid from some other chemicals to make a medicine for his father. Lines11-13 Fleming discovered penicillin in 1928 in Scotland.,1) However, two other scientists did not manage to use new chemical techniques to purify it until World War II.,2) However, not un

17、til World War II did two other scientists manage to use new chemical techniques to purify it.,9. However, it was not until World War II that two other scientists managed to use new chemical techniques to purify it. Lines46-48,not.until It is (was) not until + 时间状语(从句)+ that +主句 Not until +时间状语(从句)+主

18、句的倒装句,Penicillin was not able to save many lives until it could be produced in large quantities.,Not until it could be produced in large quantities was Penicillin able to save many lives.,It was not until it could be produced in large quantities that Penicillin was able to save many lives.,10. it wa

19、s over a decade before someone else turned penicillin into the great drug of the 20th century. Lines 55-56,It was several hours before we reached the doctors. It will be a long time before we meet the medical historian again. It wont be long before you finish your study in the Shaxi Senior High.,It is (was/will be)+ a period of time + before + clause,Use your own words to write down a short paragraph to briefly introduce one of the medicines in our text. And you should use some of what we have learnt today. recommend, trial, note, t