什么是偏光镜?
参考答案:
由七层不同功能的偏光胶膜元素组成,可以过滤有害紫外线并可把从各个方向射过来的杂乱的反射光,散光整理成同一方向的光,所以光线特别柔和。
This restaurant has become popular for its wide ____ of foods that suit all tastes and pockets. [ ]
A. division
B. area
C. range
D. circle
请在该程序段右侧写出其输出结果。 fun3(int x) {static int a=3; a+=x; return(a);} main() {int k=2,m=1,n; n=fun3(k); n=fun3(m); printf("%d\n",n);)