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【单选题】
下列说法哪个是正确的？（）A.
JFrame，JPanel，JApplet和JButton四种组件都属于容器组件
B.
JButton和JTextField都可用ActionListener接口实现事件处理
C.
一个面板（JPanel） 不能被加入到另一个面板（JPanel）中
D.
在BorderLayout中，添加到NORTH区的两个按钮将并排显示
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反馈参考答案：
举一反三
【单选题】I like sports,__________ running,swimming and playing football. [ ]
A.
for example
B.
example
C.
likes
D.
such as
【简答题】( ) 4. Running, swimming and playing football can help you to do better at school.
【判断题】Running ,swimming and playing football can help you to do better at school .
A.
正确
B.
错误
【单选题】Swimming and playing basketball are his favorite leisure activities. (就划线部分提问)
A.
What are his favorite leisure activities?
B.
What is his favorite leisure activities?
C.
What are his favorite leisure activity?
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