[单选题]若有定义:TYPE AR=ARRAY[-2..2,-1..2]OF REAL;它表示AR类型是具有( )的二维数组A.4行5列B.4行3列C.3行4列D.5行4列
[问答题] 何为“过剩Ar”、“Ar丢失”?
[主观题]以下程序的输出结果是( )。 define PR(ar)printf("ar=%d”,ar) main() {int j,a[]={1,8,3,7,6,13,17,15},*p=a+5; for(j=3;j;j--) switch(j) {case 1: case 2:PR(*p++);break; case 3:PR(*(--p)); } }
[问答题] 相对于传统的K-Ar体系定年方法,40Ar-39Ar方法的主要优点是什么?
[单选题]They are barely in their twenties and are already multimillionaires. At the age when many people are looking for their first job, the youngsters of The Sunday Times Rich List are buying country estates or jetting off to their overseas homes.Daniel Ra