题目内容:
Our research has focused on a drug which is so _________as to be able to change brainchemistry.
A.powerful
B.influential
C.monstrous
D.vigorous
参考答案:
答案解析:
Our research has focused on a drug which is so _________as to be able to change brainchemistry.
A.powerful
B.influential
C.monstrous
D.vigorous