石膏配知母可增强清热泻火效果,属于()。
A.相须
B.相使
C.相杀
D.相恶
参考答案:A
I like ______ my dog nick. [ ]
A. play with
B. plays with
C. playing with
D. plaies with
叶芽中发育成叶的结构是[ ]
A.芽
B.芽原基
C.叶原基
D.幼叶