试题与答案

His______behavior macle everyone nervous.

题型:单项选择题

题目:

His______behavior macle everyone nervous. He was always rushing to open doors and perform other small tasks, apologizing unnecessarily for any inconvenience that he might have caused.

A.oblivious

B.observant

C.obsequious

D.obsolescent

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: RAM中的数据一旦断电就会消失;外存中信息要通过内存才能被计算机处理。故B)、 C)、D)有误。

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