Question

(2007·重庆)

Human facial expressions differ from those of animals in the degree ________ they can be controlled on purpose.

[　　]

A．with which

B．to which

C．of which

D．for which

Answer 1

答案：B
解析：

to a degree有点，稍微。句意为：人的面部表情与动物的不一样，他们可以故意地稍微控制一下。