类Cow和类Dog都是类Animal的一个子类，若Cow cow=new Cow()，则以下哪个选项会发生编译错误

I don’t like the________. A: 'white cow B: white' cow

A horse ______ but a cow ______.

There are many ______ grazing in the field. A: cows and sheeps B: cow and sheep C: cows and sheep D: cow and sheeps

-Are those_____________? －No,they aren't. They're______________. A: sheep; cows B: sheep;cow C: sheeps;cow D: sheeps;cows

下列程序段的执行结果是（ ）。 x = 5: y = 7: z = 8 If x < y Then t = x: x = y: y = t End If If y < z Then t = y: y = z: z = t If x < y Then t = x: x = y: y = t End If End If Print x, y, z A: 8 5 7 B: 8 7 5 C: 5 7 8 D: 7 5 8

In India the cow is a __________ and protected animal.

int x,y,z; x=7; y=8; z=9; if(x&gt;y) x=y; y=z; z=x; printf(“x=%d y=%d z=%d\n”,x,y,z);以上程序段的输出结果是：（） A: x=7 y=8 z=9 B: x=7 y=9 z=7 C: x=8 y=9 z=7 D: x=8 y=9 z=8

逗号表达式：设以下变量均为int类型，表达式的值不为9的是（） A: x=y=8, x+y, x+1 B: x=y=8, x+y, y+1 C: x=8, x+1, y=8, x+y D: y=8, y+1, x=y, x+1

【单选题】下面程序的运行结果是 () 。 void main() { int x=7,y=8,z=9; if(x>y) x=y,y=z; z=x; printf("x=%d y=%d z=%d ",x,y,z); } A. x=7 y=8 z=7 B. x=7 y=9 z=7 C. x=8 y=9 z=7 D. x=8 y=9 z=8