Question

Is ______ Qinghai-Tibet Railway plays an important role in China’s railway history the topic that you’re coming to?

1. A.
   it
2. B.
   that
3. C.
   what
4. D.
   this

Answer 1

B
試題分析：句意為：青海至西藏的鐵路在中國歷史上扮演著重要的角色就是你要談到的話題嗎？本句的正常語序為: ______ Qonghai-Tibet Railway plays an important role in China’s railway history is the topic that you are coming to. 所以此處應(yīng)是主語從句，從句中不缺少成份。故答案應(yīng)為B。
考點：考查名詞性從句的用法。