多维阅读第13级 Shark Nets 防鲨网—是福是祸？.pptVIP

Questions 1. What are shark nets? 2. Why do people need shark nets? 3. What might happen to the shark in the picture? Read pages 4-5 and answer the questions. Why are some beaches not safe for swimming? Read pages 6-7 and answer the questions. 1. What can shark nets do? 2. How do sharks get caught in shark nets? 3. What will happen to sharks caught in shark nets? Read pages 8-9 and answer the questions. What are other problems caused by shark nets? Read pages 10-13 and answer the questions. Why do many people think shark nets should not be used? Read pages 14-15 and answer the questions. 1. Who are shark spotters? 2. How do shark spotters do their job? What are the advantages and disadvantages of shark nets and shark spotters? Discuss in groups of four. shark nets shark spotters Compare shark nets and the job of shark spotters. shark nets shark spotters Which is the better way to protect people from sharks? Please list the reasons. 1. The book is titled “Shark Nets”, why did the writer mention the job of shark spotters? 2. What is the writer’s purpose in writing this book? 1. 小组合作，制作一幅海报，介绍一种防御 动物伤害人类的措施，包括其优缺点。在 全班进行展示。 2. 课后和小组成员一起利用网络或者图书馆 查询资料。搜寻鲨鱼的习性特点，研究一 种既能有效防御鲨鱼伤害人类又能保护海 洋生物的措施。在全班汇报调查结果。