单项选择题

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

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

单项选择题
Most electronic devices of this kind, ______ manufactured for such purposes, are tightly packed.
A．that are
B．as are
C．which is
D．it is
单项选择题
Bob was completely ______ by the robber' s disguise.
A．taken away
B．taken down
C．taken to
D．taken in
相关试题