问题 单项选择题

(72) is the 4th layer of the OSI reference model responsible for reliable network communication between end nodes.

A.Data link layer

B.Session layer

C.Transport layer

D.Application layer

答案

参考答案:C

解析: 四个选项分别是数据链路层、会话层、传输层和应用层。其中传输层位于OSI七层参考模型中的第四层,其功能之一是为会话层实体提供透明、可靠的数据传输服务。

完形填空

课文填空(每空填一个词,满分15分)

小题1:Imagine this: You are twenty-one years old and a __________ graduate student at one top of the top universities in the world.

小题2:One day, your doctor tells you that you have an __________ disease and may not have more than twelve months to live.

小题3:Nor______ he let the disease stop him from living the kind of life he had always dreamt of.

小题4:Finally, the scientists test the theory to see if it matches what they have seen and if it can _________ future events.

小题5:If what they are observing can be tested in a __________ way, scientists will use experiments.

小题6:____________ editors and reporters make informed decisions about what events to report and how to report them.

小题7:The editor’s job is to keep the newspaper ____________ and interesting to the readers.

小题8:A reporter begins by __________ the people to be interviewed and then prepares questions.

小题9:The media can often help solve problems and draw attention to situations _________ help is needed.

小题10:The result is a better understanding of the world on all sides, leading to a future world where people from all countries are respected and different views and opinions are __________.

小题11:When you look around at buildings, streets, squares and parks, you will find them __________, planned and built in different styles.

小题12:Modernism was invented in the 1920s by a group of architects who wanted to change society with buildings that went ________ people’s feeling of ________.

小题13:_________ the fact that he used traditional materials, Gaudi was a modern architect.

小题14:Seen from the top, it looks as if the stadium is covered by a gray net of steel, and it looks just like a bird’s nest made of tree _________.

单项选择题 A1/A2型题