Although human evolution has _______ in the past 10,000 years, we are changing

题型：不详难度：来源：

Although human evolution has _______ in the past 10,000 years, we are changing our environment faster still.

A．linked up	B．loaded up
C．sped up	D．split up

答案

C

解析

C 本题考查动词短语辨析。句意：虽然人类进化在过去的一万年已经加快了，但我们正在更快地改变着我们的环境。link up联合，连接；load up装载货物；speed up加速；split up分组，分解，分离。