1、Unit21 Lesson3 学习目标 By the end of the class, the students will be able to: identify the structure of one type of discursive essays. use the strategies of sequencing to put the text back together. voice your feelings about epidemics. 学 习过程 课堂活动 （一） 预习交流 mourn, faith, wipe out, symptoms, prescription,
2、 systematic, tissue, lose, 1. The doctor wrote out a _ for my medicine. 2. When someone dies, it is natural to _. 3. I have a lot of _ in Jim. Im sure he will do the right thing. 4. Tell me your _ and I will try to tell you what disease you have. 5. If you study in a _ way, you wont leave anything o
3、ut. 6. The SARS virus affects lung _. 7. Up to 50 million people _ to the Spanish Flu 8. The earthquake _ one third of the population. happen, occur, strike, hit, break out 1. The SARS epidemic _ China in 2002. 2. One of the earliest epidemics on record _ about 500-550 AD. （二） 合作探究 Discuss the picture Brainstorm: 5. 分层提高 What happened？ What is the problem? What has been done? Last Friday, attack, lose, medical teams, acute, epidemic, spray medicine prohibit sb. from doing _ _ _ _ _ _ （三）总结归纳 （三） 巩固反馈 Ex3, Ex 4, in Page 91
