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《Reading(1)：Two life-saving medicines》集体备课教案优质课下载
3. improve students’ thinking ability through discussion;
Teaching procedures:
Step 1 lead-in
Announcing to the students that Mary is ill and he cannot attend this class, so the teacher asks the students what suggestions the students can give her. So it can lead to the theme of this class—— the medicine, and then lead to the two life-saving medicines.
Questions
What medicines have you ever taken? And what do you know about them?
How much do you know about the two medicines?
Who invented the two medicines?
What illnesses can the two medicines be used to treat?
Step 2 First reading
Read the first part to get the history of aspirin(choose the right order of time)
Q： ①. The shops began selling aspirin tablets.
②. It was found aspirin could help lengthen people’s lives.
③. A juice containing salicylic acid was made.
④. Lawrence Craven announced a new discovery about aspirin.
⑤. It was proved that aspirin could be helpful in reducing heart attack risks.
A. ①③④⑤② B. ③①⑤④②
C. ①③⑤④② D. ③①④⑤②
2. get the functions of aspirin so we can draw a conclusion that aspirin is a life-saving medicine
3. Read the second part to get the history of penicillin
Q: Which of the following about penicillin can’t be inferred from the text?
A. A great many people died due to sickness or small wounds in world war Ⅱ.
B. Many tests had been conducted before penicillin was put into use.
C. Penicillin couldn’t have been widely used so quickly without the government’s support.
D. scientists used to have trouble purifying penicillin.