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What do you think life on earth will（A）________in 100 years? More comfortable ?More high-tech? Maybe. But many scientists see a different future. （B） They say that by the year 2100 the earth will become a worse place for us to live.

   Greenhouse gases like carbon dioxide（二氧化碳）are warming up the earth, melting（熔化）ice, and raising the level of the oceans. All these changes may bring more disasters（ 災難）,including earthquakes and floods（ 洪澇）.

   Sounds scary, doesn’t it? Luckily, things may become so bad. Most countries in the world have agreed to slow down earth warming.

   In February, the Kyoto Protocol （京都議定書）began.（C） 這是全世界141個國家間的協議。 They want to produce less greenhouse gas and slow the rising temperature. （D） By 2010,35 developed countries will cut greenhouse gas by 5 percent of the amount they produced in 1990. （E） In order to produce less greenhouse gas, countries have to use cleaner cars and fewer coal power stations. They also need to look for new types of energy（能源）.Countries that signed the agreement include China, Japan, Russia and the countries in the European Union（ 歐盟）.

1．在（A）的空白處填入一個適當的詞語：________________

2．將劃線部分（B）譯成漢語：___________________________

3．將劃線部分（C）譯成英語：________________________

4．將劃線部分（D）譯成漢語：______________________________

5．將劃線部分（E）改寫為：Countries have to use cleaner cars and fewer coal power stations _____________they can produce less greenhouse gas.