进出口货物的成交价格不能确定时，完税价格的估定者应为( )
A．技术部门
B．海关
C．供货方
D．收货方
参考答案：B
____ he has been chosen to work as a teacher in the mountain village ____ him feel very proud.
A．That, make
B．Whether, makes
C．That, makes
D．Where, make
桔梗祛痰的主要成分是
A．皂苷
B．桔梗酸a
C．桔梗酸b
D．桔梗酸c
E．桔梗多糖
