题目内容

数组的索引值是从下面哪一项开始的。

A. 0
B. 1
C. 2
D. 以上都不对

查看答案

搜索结果不匹配？点我反馈

更多问题

Array对象哪个属性将返回表示数组长度的数值。

A. length属性
B. getLength属性
C. size属性
D. getsize属性

（微分公式）d()=2dx

A language which is widely adopted for communication between two speakers whose native languages are different from each other is called____?

A. a mother tongue
B. a second language
C. a lingua franca
D. an international language

How many working languages of the United Nations are there ?

A. 2
B. 3
C. 4
D. 5