问题 选择题

____makes some people appear astonishingly youthful while others seem much older than their actual age?

A.What it is

B.What is it that

C.What it is that

D.Why it is what

答案

   B

  考查强调结构的特殊疑问句。句意为:究竟为什么有些人会看起来年轻得让人吃惊,而另一些人却看起来比实际年龄苍老得多?题干缺少主语,因此如果句首只填一个词时应填what,变为强调结构的特殊疑问句则是What is it that...。

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