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1. Computer Abstractions and Technology 1.1 Introduction 1.2 Eight Great Ideas in computer 1.3 Below Your Program 1.4 Under the Covers 1.5 Technologie 阅读全文
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2. The OSI Model and the TCP/IP Protocol Suite The layered model that dominated data communication and networking literature before 1990 was the Open 阅读全文
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1. 与名词连用或单用 疑问词whose可以与名词连用, 用作限定词,类似于my, your 等词。 whose car is that outside? 外面那辆车是谁的? whose garden do you think looks the noicest ? 你觉得谁家的花园最漂亮? who 阅读全文
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Whose 是物主词, 意为 of whom / which. 用在疑问句和关系从句中。 who's 是who is 或who has 的缩约式。试比较: -- Whose it that coat ? 那件外套是谁的? It was a decision whose importance was 阅读全文
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1. 形式 will 是一个形态动词, 第三人称单数不加-s; 疑问句和否定句的构成不用do;will后面用不带to的动词不定式。 Will the train be on time? 火车会准时到达吗? Do you think it'll rain? 你认为会下雨吗? It won't rain 阅读全文
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Chapter 3. Underlying Technologies // 第三章. 底层技术 We can think of the Internet as a series of backbone networks that are run by international, national, 阅读全文