特勤消防站通信室的使用面积是()m2。
A.30.0
B.40.0
C.50.0
D.60.0
参考答案:B
Is there _____________in today's newspaper? [ ]
A. everything important
B. important nothing
C. anything important
D. important something
药物处方中含有大量挥发油或脂肪油,制片时应加入的赋形剂是()
A.乳糖
B.氧化镁
C.阿拉伯胶
D.淀粉浆
E.滑石粉