第8题: [单项选择]下列组件不能添加进Frame主窗口的是 A. Panel B. CheckBox C. Dialog D. Choice 参考答案:C 答案解析:[解析] 本题考查.java组件中容器的基本知识。选项A错误,Panel组件是容器,可以添加到Frame窗口。选项B错误,CheckBox组件是复选框组件,可以添加到Frame窗口。选项 C正确,Di
第34题: [单项选择]Jackson changed his job because he_______. A. hurt himself during his work. B. was not satisfied with his pay. C. wanted to work harder. D. found the job too hard. 参考答案:B 答案解析:W: Why did Jackson suddenly decide to quit his job
M: He said he wouldn’’t break his back working