2. 外语
  3. Today, the world wide web can be used both to search information and to make it 【C1】______ to others. Information 【C2】______ on

Today, the world wide web can be used both to search information and to make it 【C1】______ to others. Information 【C2】______ on

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问题      Today, the world wide web can be used both to search information and to make it 【C1】______ to others. Information 【C2】______ on webpages is viewed by 【C3】______ of browser. The sources of information linked in this way can be located on any computer 【C4】______  is also part of the web. Each information source may be linked to an 【C5】______ number of other webpages. Hypertext and hyper- links allow users 【C6】______ as receivers of in- formation to 【C7】______ from one source of in- formation to another, deciding for themselves which  information  they  wish  to 【C8】______ .to their browser and which links they want to 【C9】______ The addresses of 【C10】______ can be found by using the hundreds of search engines Which provide 【C11】______ to databases which hold information on them. Once a webpage has been found, hyperlinks may point 【C12】______ other places of interest on the web. Addresses of webpages also appear in other more 【C13】______ media, such as magazines, newspapers and television programs, and on posters. Webpages, in their 【C14】______  facilitate access to information made available by other 【C15】______ of media, for example, collections held in libraries. Most webpages offer interactive  opportunities  which  go 【C16】______ merely allowing visitors freedom as to when and how they visit a page. 【C17】______  can be kept formal via a questionnaire which can be filled 【C18】______ , or informal by providing an address for e-mail or even by installing a digital guest book for comments left for other users to read. 【C19】______ all web- pages are protected so that unauthorized visitors cannot make unsolicited changes to them, it is also possible to 【C20】______ access to pages on the internet to those holding a password.  
【C3】
选项 A、medium
B、vehicle
C、agent
D、means
答案D
解析 这四个选项都可以表示“借以成就某事或达到某目的人或物”。A medium意为“介质”，没有这种“介质”便达不到一定的目的。B vehicle所表示的“媒介物”主要指借以传递意欲流露的思想、感情等手段；这个词的这一含义与“运输工具”有关，因为vehicle也是汽车等运输工具的总称。C agent的原义是“起作用的人”或“办事的人”，现在的常用含义是“代理人”，即区别于筹划人或行使意志者。D means可以指人或物，其含义为“手段”或“工具”，这个词不仅用于具体的东西，也可以用于抽象的意念。由以上分析可知D 为答案。
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