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[主观题]

Color is very important to most animals for it helps them to get along in the world. Color

【B1】to make an animal difficult for its enemies to see. Many animals match their【B2】so well that as long as they do not move no one is【B3】to see them. You probably have often "jumped" a rabbit. If you【B4】, you know how the rabbit sits perfectly still【B5】you are just a few feet away. You【B6】see the rabbit till it runs for its【B7】matches very closely the place where it is【B8】Many times you may have walked past a rabbit【B9】didn't run and you never knew it was there at all.

One of the most usual color schemes that helps animals to keep【B10】being seen, is a dark back and light underpants, if an animal is the same color all over, there is always a dark shadow along the animal's belly(腹部). Even if an enemy couldn't see the animal he could see this dark shadow.

【B1】

A.helps

B.contributes

C.tries

D.manages

提问人:网友zjmzjm2001 发布时间:2022-01-07
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更多“Color is very important to mos…”相关的问题
第1题
如果执行以下代码,会输出什么值: from traits.api import HasTraits, Color class Circle(HasTraits): color = Color c = Circle() c.color = 'blue' print(c.color.getRgb())

A.(255,0,0,255)

B.(0,255,0,255)

C.(0,0,255,255)

D.(255,255,255,255)

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第2题
按注释完成程序 import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Bu

按注释完成程序

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class ButtonTestApplet extends JApplet

{

public void init()

{

ButtonPanel buttonpanel = new ButtonPanel();

Container container = getContentPane();

container.add(buttonpane1);

}

}

class ButtonPanel extends JPanel

{

private class ColorAction implements ActionListener

{

private Color backgroundColor;

public void actionPerformed(ActionEvent actionevent)

{

setBackground(backgroundColor);

repaint();

}

public ColorAction(Color color)

{

backgroundColor = color;

}

}

public ButtonPanel()

{

JButton jbutton = new JButton("橙色");

jbutton.setForeground(Color.blue);

jbutton.setFont((______) ("隶书",Font.ITALIC,32))

JButton jbutton1 = new JButton("蓝色");

Jbutton1.setForeground(Color.blue);

jbutton.setFont((______) ("隶书",Font.ITALIC,32))

JButton jbutton2 = new JButton("红色");

Jbutton2.setForeground(Color.blue);

jbutton.setFont ((______) ("隶书",Font.ITALIC,32) )

add(jbutton) ;

add(jbuttonl) ;

add(jbutton2) ;

ColorAction coloraction = new ColorAction(Color.orange);

ColorAction coloractionl = new ColorAction(Color.blue);

ColorAction coloraction2 = new ColorAction(Color.red);

jbutton.addActionListener((______));

jbuttonl.addActionListener((______));

jbutton2.addActionListener((______));

}

}

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第3题
下列Applet实现了用不同颜色打印出大写字母A~J。请选择正确的语句填入横线处。import java.applet.

下列Applet实现了用不同颜色打印出大写字母A~J。请选择正确的语句填入横线处。 import java.applet.*; import java.awt.*; public class ex29 extends Applet { public void paint (Graphics gg) { int r = 0, g = 0, b = 0, j = 20; for(char ch = 'A'; ch <= 'J'; ch ++) { gg.drawString("" + ch, j, 30); if(ch - 'A' % 3 == 0) r += 50; if(ch - 'B' % 3 == 0) g += 30; if(ch - 'C' % 3 == 0) b += 20; j +=17; } } }

A.setColor(ncw Color(r, g, b));

B.gg.setColor(new Color(r, g, b));

C.g.setColor(new Color(r, g, b));

D.gg.setColor(Color(r, g, b));

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第4题
阅读下列程序,请写出该程序的功能。import java.awt.*;import javax.swing.*;public class Cla

阅读下列程序,请写出该程序的功能。

import java.awt.*;

import javax.swing.*;

public class Class33

{public static void main(String[] args)throws Exception

{

JFrameframe=new JFrame("调制颜色");

JPanelpColor=new JPanel();

JLabellColor=new JLabel("0,0,0");

pColor.setBackground(new Color(0,0,0);

JScrollBar sRed=new JScrollBar(JScrollBar.HORIZONTAL,0,1,0,

256);

JScrollBar sGreen=new JScrollBar(JScrollBar.HORIZONTAL,0,1,

0,256);

JScrolIBarsBule=new JScrollBar(JScrollBar.HORIZONTAL,0,1,0,

256);

frame.setLayout(new GridLayout(5,1));

frame.add(pColor);

frame.add(lColor);

frame.add(sRed);frame.add(sGreen);

frame.add(sBule);

frame.pack();

frame.setVisible(true);

Color col;

int nRed,nGreen,nBule;

while(true)

}

nRed=sRed.getValue();

nGreen=sGreen.getValue();

nBule=sBule.getValue();

col=new Color(nRed,n(nGreen,nBule);

pColor.setBackground(col);

lColor.setText(nRed+","+nGreen+","+nBule);

Thread.sleep(100);

}

}

}

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第5题
使用 turtle 库绘制红色五角星图形,效果如下图所示。阅读程序框架,补充横线处代码。 from turtle i
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第6题
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第7题
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第8题
本题的功能是用按钮来控制文字的颜色。窗口中有三个按钮“Yellow”、“Blue”和“Red”,它们分别对应文字
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第9题
使用 turtle 库绘制轮廓颜色为红色(red)、填充颜色为粉红色(pink)的心形图形,效果如下图所示。阅读程序框架,补充横线处代码。 from turtle import * color('red', 'pink') ____________ left(135) fd(100) right(180) c..

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第10题
本题的功能是监听对于菜单项和工具条的操作。窗口中有一个菜单“Color”和一个工具体,菜单“Color”中
有菜单项“Yellow”、“Blue”、“Red”和“Exit”,每个菜单项都有对应的图形,单击前三个颜色菜单项,主窗口就变成对应的颜色,单击“Exit”则退出程序。工具条上有4个按钮,分别为三个颜色按钮和一个退出程序的按钮,单击任意一个颜色按钮,主窗口将变成按钮对应的颜色,单击退出程序按钮,则退出程序。

import java.awt.*;

import java.awt.event.*;

import java.beans.*;

import javax.swin9.*;

public class java3

{

public static void main(String[]args)

{

ToolBarFrame. frame=new ToolBarFrame();

frame.setDefaultCloseOperation(JFrame.EXIT_

ON_CLOSE);

frame.show();

}

}

class ToolBarFrame. extends JFrame

{

public ToolBarFrame()

{

setTitle("java3");

setSize(DEFAULT_WIDTH,DEFAUlT_

HElGHT);

Container contentPane=getContentPane();

panel=new JPanel();

contentPane.add(panel,BorderLayout.CEN-

TER);

Action blueAction=new ColorAction("Blue".

new ImageIcon("java3-blue-ball.gif"),Color.

BLUE);

Action yellowAction=new ColorAction("

Yellow",

new Imagelcon("java3-yellow-ball.gif"),Col-

or.YELLOW);

Action redAction=new ColorAction("Red".

new Imagelcon("java3-red-ball.gif"),Color.

RED);

Action exitAction=new

AbstractAction("Exit".new Imagelcon("java3-

exit.gif"))

{

public void actionPerformed(ActionEvent event)

{

System.exit(0);

}

};

exitAction.putValue(Action.SH()RT_DESCRIP-

TIoN,"Exit");

JToolBar bar=new JToolBar();

bar.add(blueAction);

bar.add(yellowAction);

bar.add(redAction);

bar.addSeparator();

bar.add(exitAction);

contentPane.addToolBar(bar,BorderLayout.

NoRTH);

JMenu menu=new JMenu("Color"):

menu.add(yellowAction);

menu.add(blueAction);

menu.add(redAction);

menu.add(exitAction);

JMenuBar menuBar=new JMenuBar():

menuBar.add(menu);

SetJ Menu(menuBar);

}

public static final int DEFAULT_WIDTH=300;

public static final int DEFAULT_HEIGHT

=200;

private JPanel panel;

class ColorAction extends AbstractAction

{

public ColorAction(String name,Icon icon,Color

c)

{

putValue(Action.NAME,name);

putValue(Action.SMALL_ICON,icon);

putValue(Action.SHORT_DESCRIPTION,

name+"background");

putValue("Color",c);

}

public void actionPerformed(ActionEvent evt)

{

Color C=(Color)getValue("Color");

panel.setBackcolor(c);

}

}

}

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第11题
How about the lipstick the woman took in the end?A.Its color is suitable but it is very ex

How about the lipstick the woman took in the end?

A.Its color is suitable but it is very expensive.

B.Its color is right though it is not Lyfel brand.

C.Its color isn't right but its brand is Lyfel.

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