【单选题】爱因斯坦曾经说:“哲学要是不同科学接触,就会变成一个空架子;科学要是没有哲学,就是原始的混乱的东西。”这表明
C.
哲学是具体科学的总和,具体科学是哲学的具体化
D.
哲学以具体科学为基础,又对具体科学研究起指导作用
【单选题】下列哪一层是OSI模型中最靠近用户的一层(46)。
【简答题】__________负责端到端的通信,它既是OSI模型中负责数据通信的最高层,又是面向通信的低三层和面向处理的高三层之间的中间层。
【判断题】在方向控制阀中阀门关闭的接口常用字母Z或Y表示。
【简答题】Why is (71) fun? What delights may its practitiopect as his reward? First is the sheer joy of things. As the child delights in his mud pie, so the enjoys building things, especially thing...
【单选题】什么是OSI模型?
B.
描述数据企网络上是如何从一个应用程序到达另一个应用程序的模型;
【单选题】用户上传或下载文件,是OSI模型中( )提供的服务。
【单选题】—Why is _____ easy for such a young girl to learn three foreign languages so well? —Because Britain, Germany and France are all very near _____ country. [ ]
【单选题】Whyis it totally counterproductive to say to a young child, “Don’t play with it,it is dangerous”?
A.
Becausechildren are too naughty to obey your instruction.
B.
Because children’s unconscious mind is unable to process negatives.
C.
Becausethis sentence can arouse children’s resistance.
D.
Becausewe influence children in the way we do not want.