2. 外语
  3. An earthquake is a shaking of the ground ______ when masses of rock beneath the surface of the earth change position.

An earthquake is a shaking of the ground ______ when masses of rock beneath the surface of the earth change position.

admin2010-04-24  88
问题 An earthquake is a shaking of the ground ______ when masses of rock beneath the surface of the earth change position.
选项 A、which occurring
B、it occurs
C、and therefore occurring
D、that occurs
答案D
解析 此处是that引导的定语从句，该句的意思为“地震是地面的一种震荡行为，它发生于地表下的物质要转换位置的时候”。
转载请注明原文地址:https://kaotiyun.com/show/cH2K777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)