以下（）项是对互联网的正确说明。A．互联网为全球通信提供了快速、廉价的方法B．提及互联网时经常被看作是“通信走廊”C．互联网是一个全球性的网络，由超过20万个计算机网络组成D．互联网具有战略内涵，不仅仅用于小公司

正确答案：C

正确答案：The Development of the Internet With its rapid development the Internet has become a powerful tool for people and has already created a lot of miracles and brought us much convenience. As an international database of information the Internet can offer us whatever is possible to be imagined. In addition a great deal of useful information can be downloaded by individuals including many programs games and so on. A huge success of the Internet is the online shopping considered a great advantage of the Internet. The Internet will be better gentler safer and more reliable along with more and more cyber laws becoming effective. However although the Internet brings us more convenience it is unwise to let it control our life. Instead it should be controlled by us. After we have known how to utilize it correctly and how to spend our time on the Internet the Internet will become a real friend to our life.
TheDevelopmentoftheInternetWithitsrapiddevelopment,theInternethasbecomeapowerfultoolforpeopleandhasalreadycreatedalotofmiraclesandbroughtusmuchconvenience.Asaninternationaldatabaseofinformation,theInternetcanofferuswhateverispossibletobeimagined.Inaddition,agreatdealofusefulinformationcanbedownloadedbyindividuals,includingmanyprograms,gamesandsoon.AhugesuccessoftheInternetistheonlineshoppingconsideredagreatadvantageoftheInternet.TheInternetwillbebetter,gentler,saferandmorereliablealongwithmoreandmorecyberlawsbecomingeffective.However,althoughtheInternetbringsusmoreconvenience,itisunwisetoletitcontrolourlife.Instead,itshouldbecontrolledbyus.AfterwehaveknownhowtoutilizeitcorrectlyandhowtospendourtimeontheInternet,theInternetwillbecomearealfriendtoourlife.

正确答案：C
解析：虽然移动互联网发展迅速，但是PC互联网有其固有的优势，比如屏幕大，移动互联网不可能完全替代PC互联网，只能说超越PC互联网。

正确答案：B

答案：A

解析：