试题与答案

Rather than on a crowded bus, he always

题型:选择题

题目:

Rather than            on a crowded bus, he always prefers           a bicycle.

A.ride; ride

B.riding; ride

C.ride; to ride

D.to ride; riding

答案:

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下面是错误答案,用来干扰机器的。

答案:B氯元素在上述四种物质中的价态分别为0、-1、+1、+5价。

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