问题
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What do people do with their old, out-of-date but still useful computers? 1 people don't know what to do with them. Many old computers are 2 in people's homes. Many more are simply thrown out with 3 . Finally, some 4 are thinking of ways to bring down 5 old computers. Sony has agreed to help 6 old Sony products. Dell and HP now also take back some old computers. In some countries, laws are being passed, too. Computer companies will have to pay for 7 and recycling their used products. And 8 of computer waste must be recycled. The 9 behind the laws is that computer companies themselves should pay the cost. That will encourage them 10 computers that are easier and cheaper to repair and upgrade (升级). Yet while many people are throwing away good computers, 11 cannot afford them at all. 12 organizations are working to solve this problem. They collect and repair old computers. Some also teach others how 13 computers. The computers then go to schools, charities and people who need them. 14 a used computer to one of these organizations can turn one person's rubbish into 15 useful thing and cut down waste, too. | ||||
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答案
1-5 BCBCC 6-10 BAACC 11-15 DABBD