1、Unit 4 Natural DisastersVideo Time 任务单 课程基本信息 课例编号学科英语年级高一学期秋季 课题Unit 4 Natural DisastersVideo Time 教科书书名：普通高中教科书 英语 必修第一册 出版社：人民教育出版社出版日期：2019 年 06 月 学生信息 姓名学校班级学号 学习目标 1.了解海啸发生的原因以及对人类所造成的巨大伤害； 2.了解科学家们为预测和预防海啸所做的努力。 课前学习任务 无。 课上学习任务 【学习任务一】 Look at the pictures, and answer the questions. Q1. What
2、 natural disaster is shown in the pictures? Q2. What is a tsunami? Q3. What causes it? Q4. What is its damage? 【学习任务二】 BEFORE YOU WATCH Read the sentences about the formation and effects of tsunamis. Then match each sentence with the correct picture. A. Tectonic plates push together. B.Aseries of wa
3、ves expands in all directions. C.Whole sections of cities are destroyed. 【学习任务三】 WHILE YOU WATCH Decide whether the statements are true (T) or false (F). 1.There are few warning signs just before a tsunami hits. 2.Atsunami breaks just like an ordinary wave but is bigger. 3.Scientists at the Pacific
4、Tsunami Warning Center monitor the earths movements 24 hours a day in order to track tsunamis. 【学习任务四】 WHILE YOU WATCH Circle the correct word(s) in each sentence. 1.An earthquake occurs when plates below the earths surface push together/ pull apart. 2.Tsunami waves deep at sea move fast and rise on
5、ly a few / hundreds of feet. 3.As these killer waves enter shallow waters, their speed is reduced/ raised. 4.Most tsunami damage is caused when the waves come in from / move back out to the sea. 【学习任务五】 WHILE YOU WATCH Answer the questions below. What have you learnt about tsunamis? What is a tsunam
6、i? What causes a tsunami? What is the damage of a tsunami? 【学习任务六】 WHILE YOU WATCH Fill in the blanks. 1.If they discover a quake big enough to _ a tsunami, the scientists try to find out _ the wave will head and warn people in its _. 2.Their advice is simple: _ the coastal areas and move to _ groun
7、d. Wait for news that the danger has _. 推荐的学习资源 Unit 4 Natural DisastersVideo Time 练习题 Complete the following table after thinking about the question below carefully. What kind of help do you think people who have suffered from a tsunami need? Trouble and problemWay to help 1. People are injured.Medical teams should be sent there.
