白芍的功效有()
A.平肝潜阳,制酸止痛
B.平抑肝阳,柔肝止痛
C.疏肝理气,调经止痛
D.理气和胃,祛寒止痛
E.疏肝下气,散寒止痛
参考答案:B
Tom ____his homework yesterday, because he was in hospital all day.
A.can’t finish
B.couldn’t finish
C.couldn’t have finished
D.mustn’t finish
党的()正式宣告了中 * * 党的成立。
A.一大
B.二大
C.三大
D.四大