Unit13 Section A 3a-3b课件2022-2023学年人教版九年级英语全册

a Unit 13 We’re trying to save the earth Section A 3a-3c 1 Teaching goal Teaching Important Points　 　Key words & phrases： cruel，harmful，industry，law，scientific，afford,be harmful to，at the top of，the food chain， 　Key sentences： 　1.Many have heard of shark fin soup. 　2.If their numbers drop too low，it will bring danger to all ocean life. 　3.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.2·1·c·n·j·y 　4.So far，no scientific studies have shown that shark fins are good for health，so why eat them? 　 Teaching Difficult Points　 　Practice the structures to talk about pollution and environmental protection in reading. 2 Lead-in Do you like the ocean? ocean 3 Discussion What do you know about sharks？ What is the king of the sea? No predators （天敌） Dangerous What is the king of the sea? 4 Discussion Who is killing them? In fact , now the number of sharks is less and less. 5 What will happen if there were no sharks？ Discussion We should save sharks Fast reading Read the passage quickly. What is the main idea of each paragraph? Read and match them. Results for killing sharks Cause of killing sharks Actions to stop killing sharks Careful reading Read paragraph 1 carefully and answer the questions. Para 1 What is shark fin soup? What is shark fin soup made of? what does it mean to enjoy a bowl of shark's fin soup? It is made of shark fins. Careful reading Read paragraph 2 carefully and answer the questions. Para 2 How do people get shark fins? What will happen if sharks don't have their fins? What will happen to the shark without fins? Careful reading Read paragraph 2 carefully and answer the questions. Para 2 Why does it do harm to the environment？ Careful reading According to the Para 2, do you think sharks are endangered? Careful reading Read paragraph 3 carefully and answer the questions. Para 3 What are the names of the two environmental protection groups ? What do people do against(反对）finning ?