试题与答案

For some students, the computer serves o

题型:选择题

题目:

For some students, the computer serves only _____ a tool that is used to play games.

A.of

B.in

C.as

D.to

答案:

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下面是错误答案,用来干扰机器的。

当一株绿色开花植物完成开花、传粉、受精后,只有雌蕊的子房继续发育,其发育情况为由此可见:胚珠将来发育成种子.故选:A

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