菊花与升麻均有的功效是
A.解表透疹
B.清热解毒
C.发表透疹
D.疏肝明日
E.解表升阳
参考答案:B
The government has taken some measures to solve the shortage of electricity , but it may be some time _________the situation improves.
A.since
B.when
C.before
D.unless
可用于B合同段处理软基的机械设备是( )。
A.喷粉桩机
B.振动打桩机
C.振冲器
D.柴油打桩机