Unit2 Saving the earth Section B Pollution causes too mang problemsI.Teaching aims and demands: 1.Go on learning and master the usage of direct speech and indirect speech. 2. Learn to express blame and complaint. II. Important points: 1.direct speech and indirect speech 2. some expressions about blame and complaint III. Teaching procedure: Step 1 Review 1.Ask students to report their surveys in the previous lesson about environmental pollution. 2. Summarize the
