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【简答题】
以下是生成菜单项对象,以及菜单项选择事件处理方法的部分代码。要求当菜单项 singingItem 被选中时,在文本框 text 中输出“唱歌菜单项被选中!”的字样。 ...... singingItem=new________( "唱歌" ) ; // 生成菜单项对象 ...... public void actionPerformed(ActionEvent e){ if(e.getSource()==singingItem) text.setText(e.________()+ "菜单项被选中 ! " ) ; }
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举一反三
【单选题】A decimum was______.
A.
the wife's right to receive one-tenth of her husband's property
B.
a written contract
C.
a gift of money to the new husband
D.
the wife's inheritance from her father
【单选题】听力原文：M: If I were you, I'd go and tell your husband what he should do. W: It's useless. He is too stubborn. What does the woman say about her husband?
A.
Her husband is very difficult to deal with.
B.
She always stands by her husband.
C.
Her husband will by no means listen to her.
D.
Her husband agrees to change his mind.
【单选题】听力原文：M: Peggy's husband is certainly easygoing and friendly. W. Yes, the exact opposite of her brother. What is Peggy's brother imply?
A.
He is good natured.
B.
He is hard to please.
C.
He talks frankly.
D.
He is hard to get along with.
【简答题】已知明渠流速分布函数为 运动黏滞性系数 ，求y=0和y=2cm处的黏滞切应力。
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