呕吐的病机是（）
A.脾胃受损，湿浊中阻
B.痰饮内停，胃失和降
C.胃失和降，胃气上逆
D.清浊相干，乱于肠胃
E.邪气壅滞，胃气上逆
参考答案：C
The two boys________each other in appearance but differ widely in their tastes.
A．are resembling
B．resemble
C．are resembled
D．resembled
把84分解素因数，可得84=______．
