试题与答案

— English has a large vocabulary, hasn't

题型:选择题

题目:

— English has a large vocabulary, hasn't it?

— Yes. _____ more words and expressions and you will find it easier to read and communicate.[ ]

A. Know

B. Knowing

C. To know

D. Known

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:发病率呈历年的一般水平,各病例间在发病时间和地点方面无明显联系,散在发生称散发。题干的信息显示,该乡去年流脑发病率与其乡历年流脑发病率水平相当,故为散发。

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