在Java Web应用开发中，编写JSP包含如下代码，JSP执行后在HTML页面上的输出结果为（）。 A:  variable：88 variable：NULL B:  variable：80+8 variable： C:  variable：88 variable： 88 D:  variable：88 variable：

A variable that can take on values at any point over a given interval is called _______. A: a value variable B: a continuous random variable C: a point variable D: a discrete random variable

Of which the initial value is unpredictable, if it is not initialized? A: static external variable B: local variable C: static local variable D: external variable

Name of Internet service provider is A: discrete numerical variable B: continuous numerical variable C: categorical variable

以下给变量赋值的方法中，在bash下合理的有（） A: variable=thisisatestedip B: variable="thisisatestedip" C: variable=’thisisatestedip’ D: variable=this\is\a\tested\ip

A structure variable can be assigned to another structure variable of the same type.

The classification of student class designation (freshman, sophomore, junior, senior) is an example of ( ) A: a categorical variable B: a discrete variable C: a continuous variable D: a parameter

Which of the following type of variable is visible only within a function where it is defined? A: global variable B: local variable C: Both of the above. D: None of the above.

Variable costs are

temp=’this is a temped variable’；echo foo${temp}上述命令执行的结果为（） A: Afoo B: Bfoo$temp C: Cfoo’this is a temped variable’ D: Dfoothis is a temped variable