Unit 6 Mainly revision教学设计示例Lesson22Step I.Introduction:Show some pictures about pollution.StepII.Fast reading:A. Search for answers:(Now, Ill give you 2 minutes to find out the answers:1.what international organization has been mentioned in the text?2.In China, what is becoming a serious problem?B. Read again and answerT or F:1. If waste is poured into rivers or seas without being treated,what will happen?2. How is dangerous waste uauslly dealt with?3. What problems does
