治疗砂淋石淋，宜首选（）。
A.瞿麦
B.金钱草
C.茵陈
D.茯苓
E.泽泻
参考答案：B
His sister _____ to the hospital. She will be back _____ half an hour.[ ]
A. has gone; after
B. has been; in
C. has gone; in
D. has been; after
信用证结算方式只适用于国内企业之间商品交易产生的货款结算，可以转账也可支取现金。( )
