WeareallbusytalkingaboutandusingtheInternVIP专享VIP免费

WeareallbusytalkingaboutandusingtheInternet,buthowmanyofusknowthehistoryoftheInternet?ManypeoplearesurprisedwhentheyfindthattheInternetwassetupinthe1960s.Atthattime,computerswerelargeandexpensive.Computernetworksdidn’tworkwell.Ifonecomputerinthenetworkbrokedown,thenthewholenetworkstopped.Soanewnetworksystemhadtobesetup.Itshouldbegoodenoughtobeusedbymanydifferentcomputers.Ifpartofthenetworkwasnotworking,informationcouldbesentthroughanotherpart.Inthisway,computernetworksystemwouldkeeponworkingallthetime.AtfirsttheInternetwasonlyusedbythegovernment,butintheearly1970s,universities,hospitalsandbankswereallowedtouseit,too.However,computerswerestillveryexpensiveandtheInternetwasdifficulttouse.Bythestartofthe1990s,computershadbecomecheaperandeasiertouse.Scientistshadalsodevelopedsoftwarethatmade“surfing”theInternetmoreconvenient.Todayitiseasytogeton-lineanditissaidthatmillionsofpeopleusetheInterneteveryday.Sendinge-mailismoreandmorepopularamongstudents.TheInternethasnowbecomeoneofthemostimportantpartsofpeople’slife.1:TheInternethasahistoryofabout____________years.A.70B.10C.50D.202.Anewnetworksystemwassetupto_____________.A．makecomputerscheaper.B．makeitselfkeeponworkingallthetime.C．breakdownthewholenetwork.D．makecomputerslargeandexpensive.3:AtfirsttheInternetwasonlyusedby_____________.A．thegovernment.B．scientistsC．hospitalsandbanksD．schools小题4:WhichofthefollowingisTRUE?A．Inthe1960s,computernetworksworkedwell.B．Intheearly1970s,theInternetwaseasytouse.C．Sendinge-mailisnowmorepopularamongstudents.D．Todayit’sstillnoteasytogeton-line.小题1:C小题1:B小题1:A小题1:C