第7题: [单项选择]Who could answer the telephone A. Because it is his birthday tomorrow. B. Because it is his wife’s birthday tomorrow. C. Because there is a party tomorrow. 参考答案:B 答案解析:[听力原文] F: May I help you M: Yes. I’m looking for a gift for my wife. It’s her birthday tomorr
第8题: [单项选择]大型电站煤粉锅炉的炉膛出口烟温一般为()。 A. 800~1000℃ B. 900~1100℃ C. 1000~1200℃ D. 1100~1400℃ 参考答案:C
第27题: [单项选择]公有成员变量MAX是一个int型值,变量的值保持常数值100,则下列使用哪个选项的 声明定义这个变量是正确的 A. protected B. static C. final D. super 参考答案:C 答案解析:根据英语的意思abstract window tool(AWT)。Java核心包包括java.lang包,封装所有编程应用的基本类;java.awt包,封装抽象窗口工具包,提供管理用户图形界面功能;j