Unit 2 Saving the Earth Topic 2 All these problems are very serious. Section D Teaching aims and demands 1. Learn some new words and phrase : take up, garbage, recycle. 2. Learn some useful sentences: (1) This harms the environment (2) At the same time, dealing with (3) Of all the garbage, about 35 percent can be recycled while the rest cant. (4) How shall we deal with it? 3. Review the indefinite pronoun and adverb: (1) None of us likes pollution. (2) Dont spit anywhere in public. (3) Everyone
