The couple are spending their holiday on

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问题选择题

The couple are spending their holiday on is described as ore of the most beautiful

islands．

A．what

B．that

C．which

D．where

答案

答案：A

解答题

设集合A={（x，y）|x+y=6，x∈N，y∈N}，使用列举法表示集合A．

单项选择题

有以下程序：main(){int i=1,j=2,k=3; if(i++==1&&(++j==3||k++==3)) printf("%d %d %d\n",i,j,k);}程序运行后的输出结果是______。

A．1 2 3

B．2 3 4

C． 2 2 3

D．2 3 3