题目

题型：不详难度：来源：

Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.

A．with which

B．with that

C．at which

D．at that

答案

B

解析

试题分析：此处with是介词，其后是介词的宾语从句，that在宾语从句中不作成分，没有意思，只起连接作用。句意：科学家们说人类活动导致气候变化，但是他们不同意气候变化的速度。