具有开窍醒神、活血散结功效的药物是()
A.苏合香
B.牛黄
C.石菖蒲
D.冰片
E.麝香
参考答案:E
解析:麝香的功效为开窍醒神、活血散结、止痛、通经催产,故应选E
With the speedup of the railway, now you can get to your destination by train.
A.fast
B.faster
C.fastest
D.the fastest
变压器负载增加时,主磁通()
A.增加
B.减小
C.不变
D.基本不变