姜炙法炮制药物时,每100kg净药材,用生姜
A.5kg
B.10kg
C.15kg
D.20kg
E.25kg
参考答案:B
I'm ill. I can't ______ to school today. [ ]
A. go
B. going
C. to go
D. went
污泥含水量为80%,要调到含水量为65%,加含水率15%的稻草质量占污泥量的百分比为()。
A.30%
B.25%
C.10%
D.60%