浙江行政区划分为杭州、宁波、温州、嘉兴等()个地级市。
A.10
B.11
C.12
D.13
参考答案:B
Li Na has made _______ of herself in the world of tennis since she became a tennis player.[ ]
A. nothing
B. something
C. anything
D. everything
顺序执行下列程序语句后,则b的值是( )。 String a = "Hello"; String b = a.substring(0,2);
A.构造函数必须与类同名
B.构造函数可以省略不写
C.构造函数必须有返回值
D.在构造函数中可以对类中的成员进行初始化