工业上常用什么表示含水气体的水含量()。
A.百分比
B.密度
C.摩尔比
D.露点
参考答案:D
The order came that the medical supplies______to Beijing for the H1N1 flu soon. [ ]
A. would be sent
B. should send
C. be sent
D. must be sent
患儿,15天。口内舌上白屑成片,烦躁多啼。其诊断是()
A.马牙
B.口糜
C.白喉
D.口疮
E.鹅口疮