【简答题】A.It's useless. B.It's unnecessary. C.It's doubtful. D.It's helpful.
【简答题】A.It's modern. B.It's exciting. C.It's comfortable. D.It's abnormal.
【简答题】A.It's cheaper. B.It's safer. C.It's quicker. D.It's readily available.
【简答题】A.It's beautiful. B.It's too old. C.It's comfortable. D.It's luxurious.
【简答题】A.It's incredible. B.It's awesome. C.It's irrational. D.It's ridiculous.
【单选题】在C#中,关于Array和ArrayList的维数,以下说法正确的是(A )。
A.
Array可以有多维,而ArrayList只能是一维
B.
Array只能是一维,而 ArrayList可以有多维
C.
Array和 ArrayList 都只能是一维