单项选择题

A research worker might ______ that the existence of such kind of disease is due to the pollution of the area.

A．refer
B．infer
C．confer
D．prefer
<上一题 目录 下一题>
热门 试题

单项选择题
To solve such a difficult problem is really ______ my grasp.
A．beyond
B．out of
C．beneath
D．away from
单项选择题
It isn't so much his wife's appearance Peter likes ______ her property.
A．in
B．for
C．as
D．than
相关试题