Unit 2 Fit for life Reading Two life-saving medicines第二单元适合生命阅读两种救命药.ppt

 Difficult points Not only has aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with. Line18-line 19 此句是not only…but also …结构. Not only …but also 连接两个并列分句。当not only 位于句首时，not only 后分句的主语和谓语要部分倒装。 Not only is this young man clever but also he is hardworking. Not only did he speak more correctly, but he spoke more frequently. 3. …and in 1977, a study carried out in the USA showed that aspirin could prevent strokes. Lines23-24 1) Once a plan is made, it should __________ no matter how difficult it is. 4. … that aspirin could reduce the risk of some cancers by 40 per cent. Lines25-26 Eating a lot of green food helps ________________________ . If you tell me the truth, you will ________________________. By criticizing the boss he risked _______ his job. (lose) 5. He noted that a dish in which he was trying to grow bacteria for an experiment looked abnormal-there was mould in it. Lines35-37 8. And managed to make and test the new drug in large quantities. Lines47-48 1) Buy vegetables _____________, and you’ll be given a very good discount. 2) When young at college, dad bought books ______________, for life was too hard. large/small quantities of + n. + pred. [pl.]a quantity of + /u/ + pred. [sing] 9. …and mass production began in 1944. Lines49-50 The trains provided cheap travel for the masses. Stored in the computer is a huge mass of data. The following words also can be used to express the meaning of reason: due to, because of ,on account of, owing to Eg: We delayed our departure on account of the bad weather. They decided to postpone the trip, owing to bad weather. (1) Choose the correct answer. .Not only a promise, but also he kept it. A. does he make B. he made C. did he make D. has he made 2. Was it in 1897 _____ a European chemist called Dr Felix Hoffmann produced acetylsalicylic acid (ASA) from some other chemicals to make a medicine for his fa