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。 read carefully to understand the content of the passage.2. Raise the awareness of the wildlife protection. Care about the animals ,the earth. We only have one earth, we should protect our home.3. Learn how to write an a persuasive letter.1. Get basic information the shark situation and realize the urgent the situation of the shark protection.2. Understand how and why people’s attitudes change about sharks.3. Understand the meaning of some languages points in the context. Understand the usage of ing ored as the plement.A song for students before class. Earth songStep 1 LeadinginShow students a videoTwo questions for them Q1:What’s your feeling