Section A 2 3a-3b Unit13-Section2-SavetheSharks拯救鲨鱼 The earth is badly polluted. What should we do to save the earth? Warming up Unit13-Section2-SavetheSharks拯救鲨鱼 Let’s take action (采取行动) Bring bags to go shopping. Throw rubbish into the bins. Take buses instead of driving cars. Don’t use wooden chopsticks Unit13-Section2-SavetheSharks拯救鲨鱼 Check if you know these phrases.
…而且 …有害
heard of in southern China each time a bowl of shark fin soup cut off not only 。。。 but also harmful to Without a fin Unit13-Section2-SavetheSharks拯救鲨鱼 Check if you know these phrases. …的顶部
，事实上 12. …的数量
at the top of the food chain in fact the number of in the last 20 to 30 years. So far the ocean’s ecosystem Help save the sharks! Unit13-Section2-SavetheSharks拯救鲨鱼 Save the earth! Save the animals! We live in the same small world. There are some animals are endangered. We should do something to protect the animals and the environment! To love animals is to love ourselves. Unit13-Section2-SavetheSharks拯救鲨鱼 Use some words to describe the sharks Unit13-Section2-SavetheSharks拯救鲨鱼 big large cruel scaring dangerous terrible Unit13-Section2-SavetheSharks拯救鲨鱼 Sharks are at the top of the food chain in the ocean’s ecosystem. A food chain Unit13-Section2-SavetheSharks拯救鲨鱼 Who is the real king of the food chain? Human beings Unit13-Section2-SavetheSharks拯救鲨鱼
