入下齿中，夹口、鼻的经脉是：A．手太阴肺经 B．手阳明大肠经 C．足阳明胃经 D．足

Before my father moved off, he told me again and again that I should ______ the rules and regulations of the school.

A．make

B．watch

C．remain

D．observe

有以下程序：
#include ＜stdio.h＞
main()
int a; char c=10;
float f=100.0; double x;
a=f/=c*=(x=6.5);
printf("%d%d%3.1f%3.1f\n",a,c,f,x);

程序运行后的输出结果是( )。

A) 1 65 1 6.5
B) 1 65 1.5 6.5
C) 1 65 1.0 6.5
D) 2 65 1.5 6.5

鱼类取食器官与其摄食方式的关系