Radium salts，which have been found to ______ in bones，give rise to bone cancer.A - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Radium salts，which have been found to ______ in bones，give rise to bone cancer.

A．pile up　

B．build up

C．keep up　

D．pull up

答案

解析

考查短语辨析。build up(="accumulate)" 积累。pile up 堆积。keep up 保持，维持。 pull up 停车。根据句意选B。

核心考点

试题【Radium salts，which have been found to ______ in bones，give rise to bone cancer.A】；主要考察你对动词及动词短语辨析等知识点的理解。[详细]

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