. Animals suffered at the hands of man__

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问题选择题

Animals suffered at the hands of man________they were destroyed by people to make way for agricultural land to provide food for more people.

A．in which

B．for which

C．so that

D．in that

答案

答案：D

填空题

[程序]

#include

void fa(int&a,int&b)

{int t=a;a=b;b=t;}

void fb(int a,int b)

{ int t=a;a=b;b=t;}

void main(void)

{int c[2]={100,200},d[2]={300,400};

fa(c[0],c[1]); cout<

rb(d[0],d[1]); cout<

}

程序输出的第一行是（），第二行是（）。

单项选择题

代表社区牙周指数的是

A．CPI
B．CPITN
C．CPD
D．OHI
E．DI