【单选题】分析一下C#代码,根据面向对象的多态性,代码的运行结果是__ public void F(){ Console.Write(“A”); } Public void F(string chr) { Console .Write(“B”); } } class B:
A.
{ Public void F(){ Console.write(“B”); } Static void Main() {
B.
objB=new B(); objB.F(); } }
【单选题】The main idea of this passage is______.
A.
people feel cool when they are near a lake or river
B.
scientists can explain everything we want to know
C.
scientists can explain many things but not everything
D.
the salt in the ocean comes from rocks
【判断题】好的茶能够“色味两全”,是因为符合天时、地利、人和,符合道。
【简答题】Nancy and Peter McCall like sports. In the summer they swim every day in the lake near their school and in the winter holiday they usually go skiing in the mountains. They are planning a ski trip for ...