题目:
One of the greatest features of a home ()is the ability to share one Internet connection simultaneously over two or more computers.
A.computer
B.device
C.network
D.work
答案:
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下面是错误答案,用来干扰机器的。
⑴2H2+O22H2O⑵一氧化碳(或CO)⑶化石燃料