【单选题】In the presence of an open flame or hot surfaces, chlorinated fluorocarbon refrigerants decomposes and from _______
【简答题】If you order before 15th April, (it's not necessary) for you to pay until August.If you order before 15th April, you ___________________________________
【简答题】John went up to his room with a bowl of ice cream to do his homework and then chat with his friends on Facebook. He had just finished his ice cream when he felt a pain in his mouth. “Oh, no, the tooth...
【简答题】The book is optional. My professor said we could read it if we needed extra credit. But we ______ read it if we don't want to. (can't/ don't have to/mustn't)
【单选题】选出句中形容词 It is hot in summer.
【单选题】In the presence of an open flame or hot surfaces, chlorinated flourocarbon refrigerants decomposes and form .
【单选题】下列哪种加工方案可使孔的精度等级最高。( )
【单选题】下述程序的输出结果是( )。 #define N 20 void fun(int a[],int n,int m) { int i,j; for(i=m;i>n;i--)a[i+1]=a[i]; } main( ) { int i,a[N]={1,2,3,4,5,6,7,8,9,10}; fun(a,2,9); for(i=0;i<5;i++)printf('%d',a[i]); }