All of the employees insisted that their

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问题选择题

All of the employees insisted that their boss _____ take immediate action to solve this difficult problem

in the next few days. [ ]

A. will

B. should

C. must

D. could

答案

答案：B

单项选择题

下列程序的执行结果是（）。　　　public class Testaa {　　　　public static void main(String args[ ])　　　　　{ System.out.println(5/2)；　　　　}　　　}

A．2.5

B．2.0

C．2.50

D．2

单项选择题

在气体中，（）易引起人员中毒。

A、一氧化碳

B、二氧化碳

C、氢气

D、甲烷