Today, the world wide web can be used both to search information and to mak

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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. [br] 【C20】

选项 A、constrain
B、confine
C、restrict
D、limit

答案 D

解析选项B 、C 、D 的一般含义为“限制”或“局限”。D limit指时、空、程度、量等方面的“限定”，其内涵是如果超出了这种限度就会受罚或遭到令人不快的后果；此外，这个词也常用来表示“局限”。C restrict区别于limit的地方在于：restrict“限制”的是范围，而limit侧重于表示“限制”到某个点。B confine强调的是“约束”或“束缚”。而选项A constrain表示限制时，跟confine的意思一样，但不同的是还可以有“强迫”的意思。根据上述分析，答案为 D ，本句的意思为“…在网—卜去限制那些有密码的人进入某些网页还是有可能的”。

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