Pre-reading Questions 1. What does the\Green revolution refer to? 2. Why did various writers predict that there would be widespread famine? 3. Name some countries with serious food shortages 4. What is \miracle rice?
Pre-reading Questions 1. Name several pollutants 2. Who causes pollution? 3. Why is pollution one of the most serious problems that man faces these days? 4. Why is the pollution problem complicated? 7. 5. How can pollution be gradually reduced? 6. When did man begin to pollute his
Teaching Outline Pre-reading Questions Background Information Passage AnalySIs style and structure spelling word derivation language points useful expressions
Unit Sixⅸ Text B I. Pre-Reading Task 1. Have you ever heard ofI. P. Pavlov, a famous Russian scientist? 2. What was the important theory he developed? Now read the passage to learn more about Pavlov