static void Main(string[] args)
{
TestPaper testPaper = new TestPaperA();
testPaper.Question1();
testPaper.Question2();
testPaper.Question3();
testPaper = new TestPaperB();
testPaper.Question1();
testPaper.Question2();
testPaper.Question3();
}
static void Main(string[] args)
{
Console.WriteLine("学生甲抄的试卷：");
TestPaper studentA = new TestPaperA();
studentA.TestQuestion1();
studentA.TestQuestion2();
studentA.TestQuestion3();
Console.WriteLine("学生乙抄的试卷：");
TestPaper studentB = new TestPaperB();
studentB.TestQuestion1();
studentB.TestQuestion2();
studentB.TestQuestion3();
Console.Read();
}
