与B公司签订的加工合同，应缴纳的印花税为( )元。
A．250
B．400
C．240
D．150
参考答案：D
解析：300000×0.5‰=150(元)
尤善治热毒血痢的药物是（）
A.苦参
B.葛根
C.白头翁
D.栀子
E.黄柏
— Could you tell us _____?
— For about two weeks. [ ]
A. how soon you will be back
B. how long you will be there
C. how soon are you going to be back
D. how long are you going to be away
