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【判断题】
信号回路是指示一次电路设备运行状态的二次回路。A.
正确
B.
错误
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【单选题】给定java代码如下所示,在1处新增下列()方法,是对show()方法的重载 public class Test{ public void show(int x, int y, int z) { } //1 }
A.
public int show(int x,int y,float z){return 0;}
B.
public int show(int x,int y,int z){return 0;}
C.
public void show(int x,int z){}
D.
public viod show(int z,int y,int x){}
【单选题】已知show方法为:public int show(int x, int y) { } 下列选项中,( )方法重载了show()方法。
A.
public int Show（double x， double y）{ }
B.
public int show（int a， int b）{ }
C.
public int show（int x， int y, int z）{ }
D.
public double show（int x， int y）{ }
【单选题】The author's main purpose in the text is to ______.
A.
show that the United States coast was threatened by the enemy in World War Ⅱ
B.
explain some of the complexities of deepsea life
C.
illustrate the main problems faced by undersea researchers
D.
gain public support for oceanographic expeditions
【单选题】已知: public float TotalScore; public Text ScoreText; 则下列会出现语法错误的是()
A.
ScoreText.text = "Score：" + TotalScore;
B.
ScoreText.text = "Score：" + TotalScore.ToString();
C.
ScoreText.text = TotalScore.ToString();
D.
ScoreText.text = TotalScore;
【简答题】分水岭是分隔相邻水系的河间高地。何为分水岭的迁移?
【单选题】public class Student { String name ; // 成员变量 int age ; // 成员变量 public Student(String stuName, int stuAge){ name =stuName; age =stuAge; } public void show() { System. out .println( " 姓名: " + name ); Sy...
A.
public Student(String stuName, int stuAge)
B.
public void show()
C.
String name ;
D.
System. out .println( " 年龄： " + age );
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