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阅读理解What do people do with their old, out-of-date but still useful puters? Most people don’t know what to do with them. Many old puters are put away in homes. Many more are simply thrown out with the rubbish.　　Some panies are thinking of ways to bring down the number of old puters. Sony has agreed to help recycle old Sony products. Dell, Hewlett-Packard and other panies now also take back some old puters.　　In some countries, laws are being passed, too. Computer panies will have to collect and recycle their used products. And 70% of puter waste must be recycled. The idea behind the laws is that puter panies themselves should pay the cost. That will encourage them to make puters that are easier and cheaper to repair and upgrade（升级）.　　Yet while many people are throwing away good puters, others cannot afford them at all. Hundreds of organizations are working to solve this problem. They collect and repair old puters. Some also teach others how to repair puters.　　The puters then go to schools, charities and people who need them. Giving a used puter to one of these organizations can turn one person’s rubbish into someone else’s useful things—and cut down on waste, too.　　1.How do people usually deal with their old puters?　　A.They stop using themB.They give them to othersC.They fix them up.　　2.What do some puter panies do to bring down the number of old puters?　　A.They don’t do anything about them.　　B.They take back some old ones.       　　C.They donate them to some charities.　　3.According to some countries’ laws, what must puter panies do?　　A.Collect and recycle most of puter waste. 　　B.Repair and upgrade old puters.      　　C.Make much cheaper puters.　　4.What may people who can’t afford puters think of the used puters?　　A.ExpensiveB.UsefulC.Out-of -date.　　5.What is the passage about?　　A.Repairing old puters.　　B.Selling old puters.              　　C.Recycling old puters.