维生素A胶丸的含量测定法()
A.软膏剂
B.颗粒剂
C.胶囊剂
D.注射剂
E.药物制剂
参考答案:A
0.960千克的铁比0.96千克的棉花重.______.(判断对错)
Nowadays teenagers like to go to the fast food restaurant, ________, as the name says, eating needn’t take much time.
A.which
B.however
C.therefore
D.where