在列表：c=["black"，"red"，"green"，"yellow"，"orange"，"blue"]中，设定变量j=3，那么运行代码turtle.pencolor（c[j]）后，画笔的颜色将变成黄色。
在列表：c=["black"，"red"，"green"，"yellow"，"orange"，"blue"]中，设定变量j=3，那么运行代码turtle.pencolor（c[j]）后，画笔的颜色将变成黄色。
相关考题：
设有说明var color:(red,green,yellow,blue);a:boolean;下面语句正确的是( )。 Aolor:=‘green‘;Bwriteln(green);Cwriteln(color);Da:=color=red;
（ 18 ）下列枚举类型的定义中，包含枚举值 3 的是A ） enum test {RED, YELLOW, BLUE, BLACK};B ） enum test {RED, YELLOW=4, BLUE, BLACK};C ） enum test {RED=-1, YELLOW,BLUE, BLACK};D ） enum test {RED, YELLOW=6, BLUE, BLACK};
已知枚举类型声明语句为： enumCOLOR{WHITE，YELLOW，GREEN=5，RED，BLACK=10}； 则下列说法中错误的是A．枚举常量YELLOW的值为1B．枚举常量RED的值为6C．枚举常量BLACK的值为10D．枚举常量WHITE的值为1
As a man with plenty of guts, he is the person who is expected to bring success to this company which is on the verge of bankruptcy. A、the great white hopeB、the great red hopeC、the great green hopeD、the great black hope
以下选项中不能正确把c1定义成结构体变量的是A．typedef struct {int red: int green: int blue; } COLOR; COLOR c1;B．struct color c1 {int red int green: int blue; };C．struct color {int red , int green : int blue : )cl;D．struct {int red; int green; int blue } c1 ;
以下选项中不能正确把cl定义成结构体变量的是A．typedef struct { int red; int green; int blue; } COLOR; COLOR cl;B．struct color cl { int red; int green; int blue; }C．struct color { int red; int green; int blue; } cl;D．struct { int red; int green; int blue; } cl;
下列枚举类型的定义中，包含枚举值3的是A．enum test{RED，YELLOW，BLUE，BLACK}；B．enum test{RED，YELLOW=4，BLUE，BLACK}；C．enum test{RED=-1，YELLOW，BLUE，BLACK}；D．erium test{RED，YELLOW=6，BLUE，BLACK}；
以下选项中不能正确把c1定义成结构体变量的是A．typedef struct { int red； int green；； int blue； }COLOR； COLOR cl；B．struct color cl { int red； int green； int blue； };C．struet color { int red； int green； int blue； }c1；D．struct { int red； int green； int blue； }cl；
WhichofthefollowingisthecorrectwiringorderforanRJ－11twolinejack?() A.Black，Green，Red，YellowB.Black，Red，Green，YellowC.Red，Black，Green，YellowD.Yellow，Red，Green，Black
下列选项中不能正确定义结构体的是_______。A．typedef structB．struct color cl {int red； {int red； int green； int green； int blue； int blue； }COLOR； }； COLOR cl；C．struct colorD．struct {int red； {int red； int green; int green； int blue； int blue； }cl； }cl；
以下选项中能正确把c1定义成结构体变量的是( )。A．typedef struct { int red； int red； int green； int blue； }COLOR； COLOR c1；B．struct color c1 { int red int red； int green int blue； }；C．stmctcolor { int red， int green； int blue； }c1；D．struct { int red； int green； int blue； }c1；
本题的功能是用按钮来控制文本框中文本的颜色。窗口中有两个带有文字标题的面板“Sample text”和“Text color control”，窗口的底部还有一个复选按钮“Disable changes”。在“Sample text”面板中有一个带有字符串的文本框，而在“Text color control”面板中有三个按钮：“Black”、“Red”和“Green”，并且每个按钮上都有一个对应颜色的圆。单击任意按钮，文本框中的文本变成对应的颜色，如果选中“Disable changes”复选项，则三个颜色按钮变为不可用，如果取消选中复选项，则三个按钮变为可用。import javax．swing．*；import java．awt．*；import java．awt．event．*；public class java3 extends JFrame{private JPanel upper，middle，lower；private JTextField text；private JButton black，red，green；private JCheckBox disable；public java3（String titleText）{super（titleText）；addWindowListener（new WindowAdapter（）{public voidwindowClosing（WindowEvent e）{System．exit（0）；}}）；upper=new JPanel（）；upper．setBorder（BorderFactory．ereateTitledBor-der（"Sample text"））；upper．setlayout（new BorderLayout（））；text=new JTextField（"Change the color of thistext"）：upper．add（text，BorderLayout．CENTER）；middle=new JPanel（）；middle．setBorder（BorderFactory．createTitledBor-der（"Text color control"））；middle．setLayout（new FlowLayout（FlowLayout．CENTER））：black=new JButton（"Black"，new ColorIcon（Color．black））；black．addActionListener（ new ButtonListener（Color．black））；middle．add（black）；red=new JButton（"Red"，new ColorIcon（Col-or．red））；red．addActionListener（new ButtonListener（Col-or．red））；middle．add（red）；green=new JButton（"Green"，new ColorIcon（Color．green））；green．addActionListener（new ButtonListener（Color．green））；middle．add（green）；lower=new JPanel（）；lower．setLayout（new FlowLayout（FlowLayout．RIGHT））；disable=new JCheckBox（"Disable changes"）：disable．addItemListener（new ItemListener（）（public void itemStateChanged（ItemEvent e）{boolean enabled=（e．getStateChange（）= =ItemEvent．DESELECTED）：black．setEnabled（enabled）；red．setEnabled（enabled）；green．setEnabled（enabled）；}}）；lower．add（disable）；Container cp=getContentPane（）；cp．add（upper，BorderLayout．NORTH）；cp．add（middle，BorderLayout．CENTER）；cp．add（10wer，BorderLayout．SoUTH）；pack（）；setVisible（true）；}class ButtonListener extends ActionListener{private Color c；public ButtonListener（Color c）{this．c=c；}public void actionPerformed（ActionEvent e）{text．setForeground（c）；}}class ColorIcon implements Icon{private Color c；private static final int DIAMETER=10；public ColorIcon（Color c）{c=c；}public void paintlcon（Component cp，Graphics g，int x，int y）{g．setColor（c）；g．fillOval（X，y，DIAMETER，DIAMETER）；g．setColor（Color．black）；g．drawOval（x，y，DIAMETER，DIAMETER）；}public int getlconHeight（）{return DIAMETER；}public int getlconWidth（）{return DIAMETER；}}public static void main（String[]args）{new java3（"advance"）；}}
A vessel not under command shall display ______.A.two red lights at night and two black balls during daylightB.two red lights at night and three black balls during daylightC.three red lights at night and two black balls during daylightD.three red lights at night and three black balls during daylight
A green pillar lightbuoy，Fl(2) 5s，is to be substituted for the red conical lightbuoy Close S.W．of the stranded wreck．The above sentence mainly refers to______．A.a red buoy is to be replaced by a green buoyB.a green buoy is to be replaced by a red buoyC.either a red buoy or a green buoy is to be replacedD.neither a red buy nor a green buoy is to be replaced
The traffic lights were red when the driver reached them．To the surprise of his passenger,the ear did not slow down．Unexpectedly the passenger was thrown forward in the vehicle as the driver put on his brakes at the last moment．The car stopped just in time."Sorry,I didn't notice the light．I thought it was green until I saw that it was the top light which was shining."This strange story is quite true．About ten men in every hundred are color blind in some way;women are luckier--only about one in two hundred suffers from color blindness.In some cases,a man may not be able to see deep red．He may think that red,orange and yellow are all the same as green.People often like one color more than others．Blue is the color of the sky and sea．Green makes us think of fields and trees．Red is the color of blood and makes some people think of danger．Black is the color of night．In the dark we cannot see what is around us so we are sometimes afraid of the unknown and do not like black as a color.Among the traffic lights,red light is placed__.A.at the bottomB.in the middleC.at the topD.below the green light
The traffic lights were red when the driver reached them．To the surprise of his passenger,the ear did not slow down．Unexpectedly the passenger was thrown forward in the vehicle as the driver put on his brakes at the last moment．The car stopped just in time."Sorry,I didn't notice the light．I thought it was green until I saw that it was the top light which was shining."This strange story is quite true．About ten men in every hundred are color blind in some way;women are luckier--only about one in two hundred suffers from color blindness.In some cases,a man may not be able to see deep red．He may think that red,orange and yellow are all the same as green.People often like one color more than others．Blue is the color of the sky and sea．Green makes us think of fields and trees．Red is the color of blood and makes some people think of danger．Black is the color of night．In the dark we cannot see what is around us so we are sometimes afraid of the unknown and do not like black as a color.According to the passage,which of the following statements is true?A.Black stands for unhappinesB.Black makes people think of nighC.Black makes people think of sorroD.Black is the color of the mournin
要设定表格中某一单元格的边框颜色为红色，背景颜色为绿色，则下面的属性设置中正确的是（）A、table bgcolor = "green" bordercolor="red" B、td bgcolor="red" bordercolor="green" C、tr bgcolor="green" bordercolor="red"D、td bgcolor="green" bordercolor="red"
以下程序的输出结果是（）。enumColor{Red，Green=2，Blue}staticvoidMain（string[]args）{Colorc=0；Colorc1=（Color）2；Console.WriteLine（"{0}，{1}"，c，c1）；Console.Read（）；}A、Green，RedB、Red，GreenC、Red，BlueD、Green，Blue
Which of the following is the correct wiring order for an RJ-11 two line jack？（）A、Black，Green，Red，YellowB、Black，Red，Green，YellowC、Red，Black，Green，YellowD、Yellow，Red，Green，Black
问答题If there are only red, blue, and green marbles in a jar, what is the ratio of red to blue marbles? (1) The ratio of red to green marbles is 2:3. (2) The ratio of green to blue marbles is 6:5.
单选题A student is instructed to arrange four cards in a row on a table. She has six cards to choose from, each of which has a different color: black, red, blue, green, yellow, and brown. If the student follows these instructions but otherwise chooses her cards randomly, what is the probability that her arrangement will be blue, red, yellow, and green, in that order?A1/90B1/ 180C1/360D1/540E1/720
单选题A vessel not under command shall display（）.Atwo red lights at night and two black balls during daylightBtwo red lights at night and three black balls during daylightCthree red lights at night and two black balls during daylightDthree red lights at night and three black balls during daylight
判断题在列表：c=["black"，"red"，"green"，"yellow"，"orange"，"blue"]中，设定变量j=3，那么运行代码turtle.pencolor（c[j]）后，画笔的颜色将变成黄色。A对B错
单选题要设定表格中某一单元格的边框颜色为红色，背景颜色为绿色，则下面的属性设置中正确的是（）Atable bgcolor = green bordercolor=red Btd bgcolor=red bordercolor=green Ctr bgcolor=green bordercolor=redDtd bgcolor=green bordercolor=red
单选题Which of the following is the correct wiring order for an RJ-11 two line jack？（）ABlack，Green，Red，YellowBBlack，Red，Green，YellowCRed，Black，Green，YellowDYellow，Red，Green，Black