資源描述：
《考研英語(二)閱讀模擬試題及答案03》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、臺上十分鐘，臺下十年功?？佳杏⒄Z也是如此，考場的180分鐘，全是平時的學(xué)習(xí)、閱讀、練習(xí)一點一滴積累起來。圣才考研網(wǎng)收集了考研英語的模擬試題，以下是2017考研英語（二）閱讀模擬試題及答案03。 Itisadevastatingprospect.TerroristselectronicallybreakintothecomputersthatcontrolthewatersupplyofalargeAmericancity，openandclosevalvestocontaminatethewaterwithuntreatedsewageortox
2、icchemicals，andthenreleaseitinadevastatingflood.Astheemergencyservicesstruggletorespond，theterroristsstrikeagain，shuttingdownthetelephonenetworkandelectricalpowergridwithjustafewmouseclicks.Businessesareparalysed，hospitalsareoverwhelmedandroadsaregridlockedaspeopletrytoflee.
3、Thiskindofscenarioisinvokedbydoom-mongerswhoinsistthatsteppingupphysicalsecuritysincetheSeptember11thattacksisnotenough.Road-blocksandsoldiersaroundpowerstationscannotpreventdigitalterrorism.“Untilwesecureourcyber-infrastructure，afewkeystrokesandanInternetconnectionisallonenee
4、dstodisabletheeconomyandendangerlives，”LamarSmith，aTexascongressman，toldajudiciarycommitteeinFebruary.Heendedwithhiscatchphrase：“Amousecanbejustasdangerousasabulletorabomb.”Isheright? Itistruethatutilitycompaniesandotheroperatorsofcriticalinfrastructureareincreasinglyconnecte
5、dtotheInternet.Butjustbecauseanelectricitycompany'scustomerscanpaytheirbillsonline，itdoesnotnecessarilyfollowthatthecompany'scriticalcontrolsystemsarevulnerabletoattack.Controlsystemsareusuallykeptentirelyseparatefromothersystems，forgoodreason.Theytendtobeobscure，old-fashioned
6、systemsthatareincompatiblewithInternettechnologyanyhow.Evenauthorisedusersrequirespecialistknowledgetooperatethem.Andtelecomsfirms，hospitalsandbusinessesusuallyhavecontingencyplanstodealwithpowerfailuresorflooding. AsimulationcarriedoutinAugustbytheUnitedStatesNavalWarCollege
7、inconjunctionwithGartner，aconsultancy，concludedthatan“electronicPearlHarbour”attackonAmerica'scriticalinfrastructurecouldindeedcauseseriousdisruption，butwouldfirstneedfiveyearsofpreparationand$200moffunding.Therearefarsimplerandlesscostlywaystoattackcriticalinfrastructure，from
8、hoaxphonecallstotruckbombsandhijackedairliners. OnSeptember1
