【正文】
Senior English for China Students’ Book 2A Unit 9 Saving the earth Lesson33 Dialogue 設(shè)計(jì)、制作:顧焱(福田中學(xué)) Unit 9 Saving the earth Lesson 33 Dialogue ? Questions: ? 1. What makes the water of our rivers dirty? ? 2. What makes the air dirty? damage , waste, pollute, pollution Answer the questions about the picture: ? 1. What can you see in the picture? ? 2. What do you think they discussed at the conference? A girl and a boy dirty air and smoke pipe,waste water pollution Reading: 1. What subjects does the conference deal with? 2. Why was the co