钩藤入汤剂时应
A.包煎
B.后下
C.先下
D.另煎
参考答案:B
已知F为抛物线y2=3x的焦点,P为抛物线上任一点,A(3,2)为平面上一定点,则|PF|+|PA|的最小值为______.
Are these your books?[ ]
A. Yes, they're.
B. Yes, they are.
C. Yes, these are.