治疗气血虚弱型产后缺乳，应首选的方剂是( )
A．通乳丹B．归脾汤C．下乳涌泉散D．逍遥散E．益乳汤
参考答案：A
小华拿着奶奶的老花镜用所学的知识测出该老花镜的焦距是0.5m，请你算算它的焦度是______，度数是______．
My TV has ________so I can't watch it and I don't know how to kill time.
A．broken in
B．broken down
C．broken out
D．broken into
