七情配伍中,可以降低药物功效的是
A.相须B.相使C.相杀D.相畏E.相恶
参考答案:E
Mrs. White isn’t here. She ______ London.
A. has been to B. has gone to C. went to
公共建筑应急照明配电箱供电范围不宜超过()层。
A.8
B.10
C.12
D.16