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No scientific studies have showed that shark fins are good for health.
We should help save the sharks.
2. Ability aims: Be able to use Present progressive, Present perfect,
Passive voice,Modal verbs,and used to do sth.
3. Emotion aims: Have the consciousness of environmental crisis. Learn to pay attention to the environment and protect the environment.
II.Teaching important points and difficult points:
1. Teaching important points:
(1)Be able to use Present progressive, Present perfect, Passive voice,Modal verbs,and used to do sth.
(2)Some methods of protection of the environment
2. Teaching difficult points:Be able to use Present progressive, Present perfect,
Passive voice,Modal verbs,and used to do sth. correctly.
III.Teaching aids: Recorded room, PPT
IV.Teaching steps
Step 1 Warm-up
1.Greetings and daily report.
2. Revision
①Let students think about different kinds of pollution and say them out.
②Check if you know these phrases.
① 不同种类的污染 ② 河底
③ 把垃圾扔到河里 ④ 在…中起作用
⑤ 在中国南部 ⑥ 对……有害
⑦ 在……顶部 ⑧ 海洋生态系统
③Translate these sentences into English.
① 甚至是河底都满是垃圾。
② 这个方法不仅残酷还对环境有害。
③ 鲨鱼处于海洋食物链的顶部。
④ 许多人相信鱼翅对健康有好处。
Step 2. Grammar Focus
1.Go through some sentences with Present progressive, Present perfect, Passive voice,Modal verbs and used to from conversations and passages in Section A and read them aloud.
2.Pay attention to the sentences.