【简答题】阅读以下程序段,选出错误的说法: public class A { public float pro1=6.0f; public void Func1 () { } public void Func2 () { } } public class B : A { public int pro2=6; void Func3 () { } }A. 类A具有一个属性和两个方法 B. 类B只具有一个属性和一...
【简答题】A.Public Buses are fast and cheap transportation tools. B.Parking is becoming a big problem. C.Subway trains are even safer than taxies. D.Taxies are more convenient than buses.