将不溶于水的药物研成细末后再入水中搅匀或研磨的炮制方法称为()
A.润
B.漂
C.水飞
D.淬
E.煮
参考答案:C
There aren't _____________ windows in this room. Are there _____________ in your room?
A. some; any
B. some; some
C. any; any
D. any; some
已知正方形ABCD的对角线长xcm,则周长y关于x的函数解析式为______,当1cm≤x≤10cm时,y的取值范围是______.