证券的回购交易实际是一种以()为抵押品拆借资金的信用行为。
A.股票
B.公司债券
C.有价证券
D.可转换债券
参考答案:C
Kate won her first gold medal at the age of 7 .
A.when it was 7
B.when she was 7
C.at 7
D.when I was 7
若已定义: int a[]=0,1,2,3,4,5,6,7,8,9,*p=a,i;其中0≤i≤9,则对a数组元素不正确的引用是( )。
A.a[p-a]
B.*(&a[i])
C.p[i]
D.a[10]