What do people do with their old, out-of-date(老式的)but still useful computers? 21  people don’t know what to do with them. Many old computers are  22  in people’s homes. Many more are simply thrown out with  23  .

Finally, some  24  are thinking of ways to bring down  25 old computers. Sony has agreed to help  26  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  27  and recycling their used products. And  28  of computer waste must be recycled. The  29  behind the laws is that computer companies themselves should pay the cost. That will encourage them  30  computers that are easier and cheaper to repair and upgrade(升级).

Yet while many people are throwing away good computers,  31  cannot afford them at all.  32 organizations are working to solve this problem. They collect and repair old computers. Some also teach others how  33  computers.

The computers then go to schools, charities(慈善机构)and people who need them. 34  a used computer to one of these organizations can turn one person’s rubbish into  35  useful thing and cut down waste, too.

21.A.Few            B.Most           C.No           D.More

22.A.put off          B.taken away     C.put away       D.made up

23.A.the computers     B.the rubbish      C.money         D.houses

24.A.buildings        B.schools        C.companies      D.offices

25.A.a few of         B.a little         C.a number of     D.too much

26.A.throw           B.recycle        C.sell           D.buy

27.A.collecting        B.collect          C.repairing       D.repair

28.A.Two-thirds        B.Many         C.Few          D.None

29.A.way            B.advice         C.idea          D.reason

30.A.making         B.make          C.to make       D.made

31.A.other           B.another        C.the others      D.others

32.A.Hundreds of      B.Hundred       C.Thousands     D.Million of

33.A.to use           B.to recycle      C.to study       D.to buy

34.A.Buying          B.Giving        C.Borrowing     D.Lending

35.A.someone else     B.nobody else     C.anyone else’s    D.someone else’s

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