Unit 2 Fit for life课件27（牛津高中选修7）.pptVIP

Unit 2 Fit for life Two life-saving medicines two life-saving medicines Reading Where from? A popular science magazine. Target readers? The general public. What’s the article intended to do? A. Entertain B. Inform C. Debate D. Advertise Aspirin When was it first produced? Who did it? functions of aspirin reduce reduce the risk of prevent strokes (中风) increase the length of people’s lives Complete the following summary with words or phrases given in addition; what’s more; to begin with; besides; not only…but also… ______, aspirin can ______ relieve the pain and fever ______ it can ______ reduce the risk of heart attacks. ______, it proves effective in preventing strokes. _______, the possibility of developing some cancers can be decreased. ______, people with diabetes can benefit form it. Further thinking Can we discover new applications of old medicines? Skeptical Active Open to new ideas Penicillin Who discovered penicillin? How? Alexander Fleming discovered penicillin ____________. One day, when he __________________________________, he noted __________________--blue mould. ________________to find the all the bacteria around the mould dead. So,he ________ the blue mould killed the bacteria. Then, he ___________ another bacterium and found it killed the bacterium too. As a doctor, he immediately realized __________________ __________________________________. Finally, he _______________________ and named it penicillin. Penicillin Why did he fail to develop penicillin as a drug? Who helped him solve the problems? Further thinking What enlightenments(启发) have you got from their success? Sometimes, what matters is not the result but the p______. C_________ is a wise choice when we are faced with a tough situation. T___ creates heroes. Which medicine do you think is more important? Write a short passage to present your idea. ___ is considered to be … because … ___ is vital for … ___ is mainly used to treat ... Besides/ Apart