Question

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　　About 130 years ago, Thomas Edison of the US invented the light bulb(电灯)．Edison's bulb has turned night into day ever since．But today, many want to turn the light off．

　　The European Union(欧盟)recently decided that by 2009, people should stop using the Edison-style light bulb．Instead, they should use compact fluorescent lamps(CFLs节能灯)．

　　“CFLs save energy and last longer．They can save money in the long run,”said a British official．CFLs use 67 percent(67％)less electricity than the older bulbs．They last up to 10 times(倍)longer．Scientists say that if everyone used CFLs, electricity use would be cut by 18 percent．There would also be much smaller amounts of greenhouse gases(温室气体)given off．

　　But it's difficult to make people change their lighting habits．First the CFLs are more expensive．They cost eight times the price of the older bulbs．Many people don't like the CFL bulb．They find it too bright．You cannot change the light of a CFL, either．

　　CFLs have been around for several years．However, the older lights still make up about two-thirds(2/3)of total(全部的)light bulb sales．

1．When did Thomas Edison invent the light bulb?

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2．Why should people use compact fluorescent lamps?

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3．Does using CFLs help protect environment?

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4．If you get an older bulb for 1 Euro(欧元),how much will the CFL bulb cost you?

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5．Do you think CFLs have been widely used instead of the older bulbs for several years?

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Answer 1

答案：
解析：

1．About 130 years ago． 　　2．CFLs save energy and last longer．They can save money． 　　3．Yes． 　　4．8 Euros． 　　5．No, I don't think so．