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【简答题】
请阅读下面的程序,写出运行结果,如果编译失败,写明失败原因。 abstract class Animal{ public final abstract void eat(); } class Cat extends Animal{ public void eat(){ System.out.println("cat...fish"); } } class dsa{ public static void main(String[] args){ Animal a = new Cat(); a.eat(); } }
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皮皮学刷刷变学霸
举一反三
【单选题】The factory produces half a million pairs of shoes every year , 80% are sold abroad.
A.
of which
B.
which of
C.
of them
D.
of that
【简答题】溢洪道的分类(),(),(),()。
【单选题】The factory ________ since February of 1988.
A.
has been open
B.
has opened
C.
was open
D.
opened
【单选题】The factory used 65percent of the raw materials, the rest of which ________(be)saved for other purposes.
A.
am
B.
is
C.
are
D.
was
E.
were
【单选题】Howard sat peering ______ the busy traffic in the street through his glasses.
A.
on
B.
in
C.
at
D.
with
【简答题】【 程序功能 】 本程序实现如下功能:将窗体显示为模式对话框和非模式对话框,使用带帮助的 Windows 通用对话框 Font Dialog 改变文字字体。 【 操作要求 】 新建并保存项目:在 Visual Studio.NET 中,新建一个 Visual C# Windows 应用程序项目,名称设置为 Test5_ 19 ,位置设置为考生文件夹。 添加控件并设置属性:在窗体中添加两个按钮...
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