咳疟
参考答案:
解析:疟疾的总称,此由夏季失于养长,心气受伤,暑气乘虚而入,至秋新凉外束,寒热交争所引起。
— Are you twelve?
— Yes, _____________. [ ]
A. I'm
B. I am
C. am I
D. you're
若ax3my12÷3x3y2n=4x6y8,则a=______,m=______,n=______.