八年级英语下册 Unit 7 What’s the highest mountain in the world Section B(3a-Self Check)课件.ppt

* Section B 3a-Self Check Unit 7 Whats the highest mountain in the world? They are huge animals. They live in the sea. They can sing songs. They can jump high out of water. They are very clever and also very friendly. What are they? Can you guess what the animal is? 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。 鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。 3a Read the following words and phrases about whales. Put them in the correct place in the chart. 1 2 3 4 5 6 7 8 9 10 11 12 What do they look like？ Where do they live? What do they eat? What can they do? Why do some of them have to be protected? How can we protected them? 5 8 7 2 3 11 1 6 12 4 9 10 3b Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster. Whales are… They live in… They eat… They can… One interesting fact is … Another interesting fact is … Some kinds of whales are in danger because… We should protect whales from … I think people should/shouldn’t … Whales are huge animals. They live in the sea and eat small fish and other sea life. One interesting fact is whales can jump high out of water. Some kinds of whales are in danger because humans catch them for meat, fat, and oil, and use whale parts to make candles and soaps. Whales are also in danger from water pollution. We should protect whales by making rules on whale protection and by not putting rubbish into the sea. I think people should learn more about whales. 英语中，awake常用于be, stay, keep, lie之后，作表语；但也可与shake等动词搭配，表示“某人摇醒他人”等。 1. At 9:00 a.m., they find that most of the babies are already awake and hungry. You would have to shake her awake. 你得把她给摇醒。 另外，awake不与very搭配使用，表示“完全醒来；十分清醒”用fully awake，wide awake。 He was wide awake by the time we reached my flat. 等我们到达我的住所时，他已经完全清醒过来了。 注意：awake不用于名词之前，因此用作定语时要后置。 1) 10