在Java 语言中，所有的数组都有一个 【9】 属性，这个属性存储了该数组的元素个数(或长度)。
参考答案：length
-----Could you tell me ______ to go to Hannan by air?
-----Just a minute, please. Let me have a look.
A．how much does it cost
B．how much did it cost
C．how much it cost
D．how much it costs
非均衡增长
