learning aims（学习目标） 1. to memorize the new words and phrases in reading . 2. to gain some information about the two life-saving medicines, aspirin and penicillin, which have changed people’s lives a lot. important points (学习重、难点)： 1. to understand the text and remember the new words and phrases. 2. to understand medical terms. learning guide (方法引导)： read, copy, conclude and recite. 《自我检查》 ：(a级)
