水逆证呕吐的特点是（）
A.口渴欲饮，饮后即吐
B.吐利并作
C.朝食暮吐
D.吐物酸腐
E.朝食暮吐，暮食朝吐
参考答案：A
He has been acting strangely these days. I can’t _____ his actions at all.
A．account for
B．ask for
C．call for
D．stand for
强制戒毒的期限根据戒毒效果而定，从到戒毒所直至戒毒成功。 ( )
