内容正文:
Topic 2 All these problems are very serious
Unit 2 Saving the earth
Section C
行业PPT模板http:///hangye/
1.Knowledge aims: 掌握本课的重点词汇和短语,初步感知定语从句。进一步学习各种污染对地球造成的危害和造成这些污染的原因。
2.Skill aims: 能读懂有关环境问题的文章。能根据不同的阅读目的,运用简单的阅读策略获取信息。能正确运用网络资源获取需要的信息。能用英语书面的形式表达环境问题的成因及危害。
3.Emotional aims: (optional) 通过学习,了解环境现状,帮助学生树立绿色环保意识。
4.Culture awareness: (optional) 了解各种环境问题,如臭氧空洞,温室效应等,意识到环境问题的严峻形势。
Teaching aims
(1)________ of us knows how to stop the bad behavior.
(2) I knocked on the door but ___________ answered.
(3) Some of these books are better than__________.
(4) She was driving the car with one hand and wiping the window with the _______.
(5) They are beautiful but I am looking for ___________ useful.
(6) Is there ___________ you can do to help her?
(7) There’re 5 000 people living here and almost _________has his/her own car.
(8) He’s cleverer than ____________ I know.
(9) I’ve looked __________ but I can’t find it.
Fill in the blanks using something, anything, others, nobody, everyone, anybody, everywhere, none, other.
Revision
None
nobody
others
other
something
anything
everyone
anybody
everywhere
What can we do to protect our environment ?
In our daily life, we should face more environmental problems.
Can you say something about them?
cities, pollute,
health problems
factories, the land and the air, dead
In our daily life, we should face more environmental problems.
Can you say something about them?
cut down, millions of,
take away the earth,
become desert
拿走
People have cut down millions of trees. The rain takes away the earth. So forests have become ______.
deserts
[ˈdezəts] n. 沙漠
In our daily life, we should face more environmental problems.
Can you say something about them?
oxygen
a special kind of oxygen
called “ozone” (O3)
氧气
a very big hole in the ozone layer,
too much harmful radiation from the sun
臭氧层
放射,放射物
n.洞,坑
v.出现,形成
n.种类,形式
In our daily life, we should face more environmental problems.
Can you say something about them?
CO2 c