ModemMachines only bring people problems. People can do nothing about pollution.

admin2009-06-21  36

问题 ModemMachines only bring people problems.
People can do nothing about pollution.

选项 A、Right.
B、Wrong.
C、Doesn’t say.

答案B

解析 最后一段开头提到人们开始种更多的树,工厂开始进行污水处理。
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