Lesson2ManandtheEnvironment

1、,Unit4. People and the Environment. Lesson2. Man and the Environment.,Reading,Learning aims:,1.Read the passage and complete the tasks. 2.Develop Ss reading skills.,New words:,1.litter Vt. /Vi.乱扔；乱丢 n.废弃物 2.electricity n.电 3.consumer n.消费者 4.green consumer n.绿色消费者 5.take action采取行动 6.get rid of 处理掉；

2、丢弃；摆脱 7.increase Vt. /Vi.增长；增加 8.rapidly adv.快地，迅速地 9.level n.水平；水平面 10.human n.人,adj人的；人类的 11.sort n.种类 Vt. /Vi.把.分类;拣选 12.reuse Vt. /Vi . n.再使用;重复利用 13.goods n.货物 14.burn Vt. /Vi.燃烧；烧毁 15.oil n.油；石油 16.blanket n.毯子，毛毯；覆盖层 17.escape Vt. /Vi.逃跑；逃脱;（液体、气体）逸出，漏出 18.climate n.气候 19.damage n.损害、毁坏),Mode

3、rn Man and the Earth The Earth has a history of more than 4 billion years, and modern man has lived on it for only 35,000 years. During that time, people have changed the Earth in many ways. They have done both good and bad things to the Earth.,Read the passage and complete the tasks.,T/F for paragr

4、aph 1,1.The history of the earth is less than 4 billion years. 2.Modern man has lived on it for only 30,000 years. 3.People do both good and bad things to the earth.,F,F,T,more,35,000,In big cities,cars and buses have polluted the air so that many people now have very bad health problems.Factories h

5、ave also polluted the land,the air and the water.As a result,many rivers and lakes have become very dirty.Some of them are even dead now.,Read the passage and complete the tasks.,All over the world,people have cut down millions and millions of trees.Many types of animals, as a result,are in danger a

6、nd the quality of the air has become worse.,Read the passage and complete the tasks.,Questions for Paragraph 2,3,4,In big cities ,what has polluted the air ? Cars , buses and factories. What have factories polluted? The land, the air and the water. Have many rivers and lakes become very dirty? Yes ,

7、they have. How many trees have been cut down by people? Millions and millions of trees have been cut down.,Listening,What do people do to forests?,Cutting down trees,Many animals are in danger and the quality of the air has become worse.,At the same time , people burn oil, coal and wood. The dirty a

8、ir has formed a “blanket” around the earth. The heat from the sun cannot escape, so the air temperature is rising. This is called,the greenhouse effect,This means that the level of the sea is rising and the climate is changing.,Paragraph 4,Greenhouse effect,People burn oil, coal and wood.,The rising

9、 sea level.,The changing climate.,What is the greenhouse effect ? What is the result of the greenhouse effect?,Fill in the blanks according to paragraph 2,3,4 :,polluted,bad,health,problems,rivers,lakes,land,air,water,cut,down,trees,in,danger,worse,coal,oil,wood,greenhouse,effect,These problems are

10、very serious for our future, but we can do something now. People have already taken action, to improve the environment. We can be green consumers. That is, we should only buy and use things that do not damage the environment. We should get rid of the habit of using things once and then throwing away

11、. Many countries now use the wind, the sun and the sea to make electricity. In some cities, for example, people cannot drive cars on certain days. In other places, they use electric cars and buses.These are just a few of the many things we can do.,Read the passage and complete the tasks.,Things We C

12、an Do To Protect The Environment.,1.Be _ _ 2.Only buy and use things that _ _ _ the environment. 3.Get rid of habit of using once and then _ _ _,green,consumers,do,not,damage,throwing,them,away,Paragraph 5,Some Measures Taken by Countries to Improve the Environment.,1.Use the wind ,the sun and the s

13、ea to _ _. 2.Do not allow people to _ _ on certain days. 3.Use _ cars and buses.,make,electricity,drive,cars,electric,Paragraph 5,me,ilektrik,Retell the passage.,Modern Man and the Earth,has lived on the earth for good things and bad things,bad things,good things,in big cities,cars , buses,people ba

14、d health problems,factories,rivers, lakes; dirty, dead,all over the world,trees,animals ,danger,at the same time,greenhouse effect,the level of sea, climate,We can do ,Some countries have done,get rid of, damage,make electricity drive cars.,People have done bad things to the Earth. In big cities. Problems: In forests-to animals. Greenhouse effect. What should we do ?,We should take action now to protect the earth.,Topic sentence-main idea,Details,support,concl