阅读理解BWe are already familiar with computers—comput

发布时间：2021-02-27 08:07:02

阅读理解BWe are already familiar with puters—puters work for us at home,in offices and in factories.But it is also true that many children today are using puters at schools before they can write.

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45.B 46.B 47.C 48.A
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