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

游客2024-10-17 16

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 hyperlinks allow users【C6】______as receivers of information to【C7】______from one source of information 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 email or even by installing a digital guest book for comments left for other users to read.【C19】______all webpages 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] 【C19】

选项 A、As
B、Although
C、If
D、When

答案 B

解析根据句意，可知主从句之间存在着转折关系，而[A]As引导表转折关系的从句时，需用倒装形式，故[B]Although为答案。

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