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 When you watch TV and play video games,you make environment worse!It may seem hard to believe,but when electricity (电) is made,so are greenhouse gases (温室气体) .This means that every time you use electricity,you help make global environment worse!

Cars are also making global warming worse,and send lots of greenhouse gases into the air. Global environment may be a big problem,but we can all help stop it. People can try to drive their cars less,or even get ones that run on sunlight!You can also help!Why not try the following top ideas?

. Try to use less electricity. Turn off lights,your television,and your computer when you're stopped using them.

. Plant trees. Not only is it a fun thing to do,but it is also a great way to lower the number of greenhouse gases in the air.

. Don't throw away your rubbish,try to recycle it. If rubbish is not recycled,it is put on the ground. There it rots (腐烂) and makes a greenhouse gas called methane (甲烷) .So try to recycle cans,bottles,plastic bags and newspapers.

They will make you feel great!And they will help the Earth.

(   ) 1. If we         ,we may make global environment worse.

   A. use less electricity   B. drive a car on sunlight

   C. plant trees   D. throw away rubbish

(   ) 2. Using less electricity does good to global warming because         .

   A. the more electricity is used,the more greenhouse gases are produced

   B. the less electricity is used,the more greenhouse gases are produced

   C. people drive their cars less

   D. computers use less electricity

(   ) 3. will make global environment worse.

   A. Newspaper   B. Cans

   C. Methane   D. Bottles

(   ) 4. What's the best title of the passage?

   A. What's the Greenhouse Gases?

   B. Ways to Protect Global Environment

   C. Stopping Using Electricity

   D. Reasons of Global Warming

(   ) 5. What's the Chinese meaning of the underlined word "recycle"?

   A. 燃烧   B. 收集

   C. 恢复   D. 循环使用

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