单项选择题

Our research has focused on a drug which is so ______ as to be able to change brain chemistry.

A．influential
B．powerful
C．monstrous
D．rigorous
<上一题 目录 下一题>
热门 试题

单项选择题
The pursuit was ______ when it was clear that we had won the day.
A．called for
B．called forth
C．called off
D．called up
单项选择题
We ask for ______ from others, yet we are never merciful ourselves.
A．clemency
B．sincerity
C．selectivity
D．consideration
相关试题