人们捕杀鲸是为了它的肉、脂肪和油。 Humans catch whales for meat, fat and oil.
新课导入
Teacher：Do you know whales? What do they look like? Where do they live? What do they eat? Talk about whales and discuss why they need to be protected.
新 课 展 示 新 课 展 示
【完成3a~3b的任务】 1.朗读3a中关于鲸的单词和短语，并完成表格。 2.校对答案。根据3a中有关描述鲸鱼的单词和句子以及3b中所给出的句型提示来写一篇关于鲸鱼的文章，并且写出它们为什么需要得到保护，以及人们应该怎样做。 3.完成写作后小组内互相交流纠错，借鉴好词好句，教师作思路点拨。 典例参考 Whales are sea animals. They are very huge. They eat small fish and other sea animals. They are very interesting. They can jump out of the water. They can also sing and dance very well. But now some kinds of whales are in danger because there is more and more water pollution and people catch whales for meat,fat and oil. We should play a part in saving the whales because whale parts can be sold to make things like candles and soap. We should protect whales from disappearing. I think people should learn more about whales and the rules on whale protection. And I think people should stop putting rubbish into the sea. 4.教师引导学生参考学案上的单元同步作文指导，然后完成实战演练。
活学 活练
Humans catch whales A meat, fat and oil. A.forB.toC.aboutD.at
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