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1、专业.专注A组 2016～2014年各省市高考题（改编）Passage1 (2016·全国Ⅰ)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Secretcodes(密码)keepmessagesprivate.Banks,companies,andgovernmentagenciesusesecretcodesindoingbusiness,especiallywheninformationissentbycomputer.Peoplehaveusedsecretcodesforthousandsof
2、years.__1__Codebreakingneverlags(落后)farbehindcodemaking.Thescienceofcreatingandreadingcodedmessagesiscalledcryptography.Therearethreemaintypesofcryptography.__2__Forexample,thefirstlettersof“Myelephanteatstoomanyeels”spelloutthehiddenmessage“Meetme.”__3__Youmightrepresen
3、teachletterwithanumber,forexample.Let’snumberthelettersofthealphabet,inorder,from1to26.Ifwesubstituteanumberforeachletter,themessage“Meetme”wouldread“135520135.”Acodeusessymbolstoreplacewords,phrases,orsentences.Toreadthemessageofarealcode,youmusthaveacodebook.__4__Forex
4、ample,“bridge”mightstandfor“meet”and“out”mightstandfor“me.”Themessage“bridgeout”wouldactuallymean“Meetme.”__5__However,itisalsohardtokeepacodebooksecretforlong.Socodesmustbechangedfrequently.A．Itisveryhardtobreakacodewithoutthecodebook.B．Inanylanguage,somelettersareusedm
5、orethanothers..学习参考.专业.专注C．Onlypeoplewhoknowthekeywordcanreadthemessage.D．Aslongastherehavebeencodes,peoplehavetriedtobreakthem.E．Youcanhideamessagebyhavingthefirstlettersofeachwordspellitout.F．Withacodebook,youmightwritedownwordsthatwouldstandforotherwords.G．Anotherwayt
6、ohideamessageistousesymbolstostandforspecificlettersofthealphabet.Passage2 (2016·全国Ⅱ)根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Agardenthat’sjustrightforyouHaveyouevervisitedagardenthatseemedjustrightforyou,wheretheatmosphereofthegardenappearedtototalmorethanthesum(总和)ofit
7、sparts？__1__．Butitdoesn’thappenbyaccident.Itstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.•__2__Somepeoplemaythinkthatagardenisnomorethanplants,flowers,patternsandmassesofcolor.Othersareconcerneda
8、boutusinggardeningmethodsthatrequirelesswaterandfewerfertilizers(肥料)．__3__．However,thereareanumberofoth
