高一【英语(人教版)】Unit 4 Natural Disasters Video Time-任务单.docxVIP

Unit 4 Natural Disasters Video 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 Disasters Video 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 了解海啸发生的原因以及对人类所造成的巨大伤害； 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 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. Tectonic plates push together. A series of waves expands in all directions. Whole sections of cities are destroyed. 【学习任务三】 WHILE YOU WATCH Decide whether the statements are true (T) or false (F). There are few warning signs just before a tsunami hits. A tsunami breaks just like an ordinary wave but is bigger. Scientists at the Pacific Tsunami Warning Center monitor the earth’s 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. An earthquake occurs when plates below the earth’s surface push together/ pull apart. Tsunami waves deep at sea move fast and rise only a few / hundreds of feet. As these killer waves enter shallow waters, their speed is reduced/ raised. 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 tsunami? What causes a tsunami? What is the damage of a tsunami? 【学习任务六】 WHILE YOU WATCH Fill in the blanks. 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 _______. Their advice is simple: _______ the coastal areas and move to _______ ground. Wait for news that the danger has _______.