试题(12)、(13) (12)是指把数据以及操作数据的相关方法组合在同一个单元中,使我们可以把类作为软件中的基本复用单元,提高其内聚度,降低其耦合度。面向对象中的(13)机制是对现实世界中遗传现象的模拟,通过该机制,基类的属性和方法被遗传给派生类。 (12) A. 封装 B. 多态 C. 继承 D. 变异 (13) A. 封装 B. 多态 C. 继承 D. 变异
【简答题】The Silk Road This name refers to the inland network of trade routes connecting West to East, from the Mediterranean Sea to China. The route wound be through Rome, Greece, the Mediterranean, and Asia ...
【判断题】The Axial age refers to a period from the 6th to the 3rd centuries B. C. in which a lot of distinguished philosophers in the East and West lived and spread their ideas.