【单选题】【消耗次数：1】
以下哪个是丘陵的海拔高度（）
①
A＜300m
②
B＞300m
③
C多数＜500m
④
D100-500m
参考答案：
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相关题目
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设有定义：int m，n，a，b，c，d；和语句m=n=a=b=c=d=0；执行：（m=a==b）（n=c==d）；后，m，n 的值分别是（）。
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main()
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【单选题】
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【简答题】
计算两个整数n和m（m1000）之间所有数的和。n和m从键盘输入。例如，当n=1，m=100时，sum=5050，当n=100，m=1000时，sum=495550。
#include#includemain()
{
int n,m;
int sum;
/************found************/[填空1]
printf(\nInput n,m\n
scanf(%d,%d,n,
while( n=m )
{
/************found************/[填空2]
n++;
}
printf(sum=%d \n,sum);
}
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