内容正文:
Unit 7
Natural Disasters
Reading and writing
CONTENT
1
2
3
4
Warming up
Reading
Writing
Homework
2
1
Warming up
3
Watch a video
What is natural disaster?
something that happens in nature and causes a lot of damage or kills a lot of people, for example a flood or an earthquake
5
What natural disasters do you know about them?
earthquake
volcano
typhoon
6
小组讨论,回答问题。
Discuss and answer.
Which of the following can cause natural disasters?
A. Strong wind blowing over loose soil or sand.
B. Promoting the use of green energy.
C. Rapid urban development and heavy industries.
D. Volcanoes and wildfires.
自然灾害
blow over
吹散
疏松的
促进
快速的
城市化发展
重工业
火山
野火
2
Reading
Natural Disasters and Human Activities
There are more and more discussions on natural disasters in recent years. It is known that sandstorms are caused naturally by strong winds blowing over loose soil or sand. Half a century ago, sandstorms happened every seven or eight years; now they come almost once a year.
阅读关于自然灾害的课文,回答问题。
Read and choose.
比较级+and+ 比较级
越来越…
最近几年
众所周知…
吹散
半个世纪
讨论
沙尘暴
一次
Experts tie the problem to the rapid urban development, and cutting down trees is another reason which is largely due to human activities. Some people do not pay enough attention to smog, and they don’t know it is partly caused by the gases from heavy industry and vehicles.
tie …. to
把…与…联系在一起
城市化发展
cut down
砍到,减少
由于
重工业
专家
注意
雾霾
These harmful gases also lead to acid rain, though a very small part of acid rain comes from volcanoes or wildfires. When these gases enter the air, they also lead to global warming.
导致
酸雨
来自
有害的
气体
火山
野火
进入
全球变暖
Today we are growing too fast to remember the importance of sustainable development for both nature and our human world. Many of the natural disasters are due to the environmental damage caused by human activities.
too …. to
太…而不能
重要性
可持续发展
both …. and
…和…都
由于
环境破坏
导致
It is lucky that humans have realized the importance of sustainable development as well as the environmental protection, and thing