属于风毒的蛇毒是
A.竹叶青蛇毒B.腹蛇毒C.银环蛇毒D.眼睛王蛇毒E.眼镜蛇毒
参考答案:C
This building is too old and dangerous. It should _ __ dowm [ ]
A. to pull
B. pull
C. is pulled
D. be pulled
有下列函数定义: int fun(double a,double b) return a*b; 若下列选项中所用变量都已正确定义并赋值,错误的函数调用是( )。
A) if(fun(x,y))…… B) z=fun(fun(x,y),fun(x,y));C) z=fun(fun(x,y)x,y); D) fun(x,y);