【C7】______
A. food
B. a fire
C. himself
D. it
【C14】______
A. by
B. over
C. on
D. to
以下程序的输出结果是 #include<iostream.h> long fun(int n) { long s; if(n==1 | | 1n==2) s=2; else s=n-fun(n-1) ; return s; } void main() {cout < < fun(3) ;}
A. 1
B. 2
C. 3
D. 4
【C10】______
A. beating
B. frying
C. drying
D. placing