下列程序段中，能将变量x、y中值较大的数保存到变量a,值较小的数保存到变量b中的是
A. if(x>y)a=x;b=y;else a=y;b=x;
B. if(x>y){a=x;b=y;}else a=y;b=x;
C. if(x>y){a=x;b=y;}else(x D. if(x>y){a=x;b=y;}else{ a=y;b=x;}
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下列程序运行结果第一行_________；第二行___________。#includeint main(){int a=0,b=2;switch(++a,a*b){case 1:printf("1");case 2:printf("2");case 3:printf("3\n");deault:printf("other\n");}return 0;}
Please sit next to Nancy. 该句改为否定句为：
A. Please don't sit next to Nancy
B. please not sit next to Nancy.
C. not sit next to Nancy.
D. No sit next to Nancy.
禁止停车。 该句翻译为：
A. No Park.
B. No Parking.
C. Don't Parking.
D. No car.
Let's go, _________?
A. will you
B. shall we
C. do you
D. do we
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