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 成人高等教育 / 计算机网络
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网络协议的三要素是语义、语法与层次(时序)结构。

  • A、正确
  • B、错误
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  • 护理英语I
  • 对于顾客的一些不影响成交的反对意见推销人员最好不反驳、也不立即回答,以免惹顾客生气或使顾客觉得推销员总是和他持相反的意见。这个就是冷处理策略。错误正确现代推销技术
  • 布尔检索中的逻辑“与”运算可以以下哪个运算符?网络信息资源管理
  • 重点排污单位应当如实向社会公开其主要污染物的名称、排放方式、排放浓度和总量、( ),以及防治污染设施的建设和运行情况,接受社会监督。 国家开放大学
  • 题干二、翻译 为下面的句子选择正确的翻译(每题10分)。 操作提示:通过题干后的下拉框选择题目的正确答案。   1. If you are smart enough, and have got ambition and keep pushing forward, you can rise to the top of your chosen profession. 回答ABC正确获得10.00分中的10.00分 A. 如果你足够聪明, 有野心和继续推进, 那么你就可以得到你选择的职业。 B. 如果你既聪明过人,又有上进心,并且勇往直前,那么你就可以升职。 C. 如果你既聪明过人,又有上进心,并且勇往直前,那么你就可以在自己所选的职业领域中出类拔萃。 2. It's up to you to strive for your place, to keep yourself engaged and productive during a working life that may last around 50 years. 回答ABC正确获得10.00分中的10.00分 A. 由你决定是否勤奋工作,并在大约50年的职业生涯中,能否积极上进,取得成效。 B. 在大约50年的职业生涯中,能否积极上进,勤奋工作,取得成效是取决于你自己的。 C. 由你来决定在可能持续的大约50年的职业生涯中,能否积极上进,取得成效。 3. They are so unusual both in their talents and their accomplishments as to be considered rare exceptions. 回答ABC正确获得10.00分中的10.00分 A. 正因为他们既才智过人,又成就非凡,所以他们这样的例子少之又少。 B. 他们的才华和成就都不一般,极少考虑别人。 C. 他们是如此不同寻常的,被认为是罕见的例外。 4. We will have to place ourselves where we can make the greatest contribution. 回答ABC正确获得10.00分中的10.00分 A. 我们将不得不做出最大的贡献。 B. 我们应该拿下最大的项目。 C. 我们应该把自己放到能做出最大贡献的位置。 5. Some are still nervous about losing their jobs despite the low wages. 回答ABC正确获得10.00分中的10.00分 A. 尽管工资不高,但还是有很多人担心失去这份工作。 B. 因为工资低,很多人打算去辞职。 C. 尽管福利不好,但还是有很多人担心失去这份工作。管理英语3
  • 题型描述: 阅读理解Internet use appears to cause a decline in psychological well-being, according to a recent research. This result really attracts a lot of attention from the public. The two-year study showed that even people who spent just a few hours a week on the Internet experienced more depression and loneliness than those who logged on less frequently. And it wasnˊt that people who were already feeling bad spent more time on the Internet, but that using the Net actually appeared to cause the bad feelings. People felt exhausted if they had been online for more than ten hours. Researchers are puzzled over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to communicate with others. But the fact that Internet use reduces time available for family and friends may account for the drop in well-being according to the study. Faceless, bodiless ″virtual″ communication may be less psychologically satisfying than actual conversation, and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world via the Net makes users less satisfied with their lives.1.It is indicated in the passage that _ _ _ _ _ _ .A. people pay more attention to the psychological healthB. Internet does harm to people’s psychological healthC. Internet is available for all the peopleD. people should spend less time on psychological health2.What result did the Internet cause?A. People who logged on the Internet more frequently felt lonely and depressed.B. People felt less depressed when they logged on the Internet.C. People would spend more time on the Internet.D. People who logged on the Internet less frequently felt happy and satisfied.3.According to the passage , what did the researchers originally expect?A. The Net could help people in every respect.B. The Net could cure people’s psychological illness.C. The Net would be healthier than TV.D. The Net would be more harmful than TV for people.4.What’s the difference between the virtual conversation and the the actual conversation?A. The actual conversation can form the relationship.B. The virtual conversation is less psychologically satifying than the actual one.C. The relationship formed by the actual conversation is too shallow.D. The virtual conversation reduced the time available for family.5.The author’s attitude towards the internet is _ _ _ _ _ _ _ _ _ _ _ _ .A. critical.B. positive.C. proud.D. indifferent.专科英语I