水是生命之源,人体各部位无一不含有水,水占人体重量的:()
A、50%以上
B、60%-70%
C、80%以上
参考答案:B
—Well, I have not made my decision yet.
—So, __________________, we have to wait, right?
A.in other words
B.in my opinion
C.by the way
D.to tell the truth
浙贝母主要含
A.双酯类生物碱 B.甾体类生物碱 C.异喹啉类生物碱D.吲哚类生物碱 E.有机胺类生物碱