测得某一蛋白质样品的氮含量为0.40克,此样品约含蛋白质()克。
A.2.00
B.2.50
C.3.00
D.6.25
参考答案:B
—________ are you going this winter vacation?
—To the mountains. [ ]
A. When
B. Where
C. how
D. Why
小活络丹的功用是()
A.通经活络,消肿止痛
B.扶正祛风,活血止痛
C.祛风止痛,通经活络
D.祛风除湿,化痰通络,活血止痛
E.通行经络,活血止痛