治疗经行吐衄应选()
A.顺经汤
B.百合固金汤
C.加味麦门冬汤
D.清肝引经汤
E.加减一贯煎
参考答案:A, C, D
无线发射机的主要任务是完成高频信号的产生、()和放大的过程。
— ______ his bike is lost?
— He has to go to school on foot.
A.How about
B.What if
C.Can you tell me
D.I don’t know