内容正文:
Welcome to the unit
◆ 内容分析
本板块利用多模态语篇—视频,呈现了三种较为常见的自然灾害:地震、
火山爆发和滑坡。学生通过观看视频、填写关键词,了解三种自然灾害的基本信
息,为进一步学习本单元话题做好准备。
◆ 教学目标
By the end of this section, students will be able to:
1. watch the video and get the basic knowledge of three types of natural disasters;
2. talk about other different types of natural disasters;
3. share with peers the information of the natural disasters in history.
◆ 教学建议
1. Have students watch the video and finish the blank-filling exercise on page 15.
Possible answer
a sudden shaking; hot gases; earth and rock
2. Have students answer the two questions on page 15.
Possible answer
1. Another type of natural disaster that I know about is tsunamis. A tsunami is
a series of huge waves, often caused by an earthquake or volcanic eruption.
Tsunamis often damage buildings severely and they can be deadly to humans.
The 2004 Indian Ocean Tsunami killed more than 200,000 people.
2. Afghanistan Blizzard in 2008, the second worst blizzard in modern histor