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1、-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.Peoplehaveusedsecretcodesforthousa
2、ndsofyears.__1__Codebreakingneverlags(落后)farbehindcodemaking.Thescienceofcreatingandreadingcodedmessagesiscalledcryptography.Therearethreemaintypesofcryptography.__2__Forexample,thefirstlettersof“Myelephanteatstoomanyeels”spelloutthehiddenmessage“Meetme.”__3__Yo
3、umightrepresenteachletterwithanumber,forexample.Let’snumberthelettersofthealphabet,inorder,from1to26.Ifwesubstituteanumberforeachletter,themessage“Meetme”wouldread“135520135.”Acodeusessymbolstoreplacewords,phrases,orsentences.Toreadthemessageofarealcode,youmusth
4、aveacodebook.__4__Forexample,“bridge”mightstandfor“meet”and“out”mightstandfor“me.”Themessage“bridgeout”wouldactuallymean“Meetme.”__5__However,itisalsohardtokeepacodebooksecretforlong.Socodesmustbechangedfrequently.A.Itisveryhardtobreakacodewithoutthecodebook.B.I
5、nanylanguage,somelettersareusedmorethanothers.C.Onlypeoplewhoknowthekeywordcanreadthemessage.D.Aslongastherehavebeencodes,peoplehavetriedtobreakthem.E.Youcanhideamessagebyhavingthefirstlettersofeachwordspellitout.F.Withacodebook,youmightwritedownwordsthatwouldst
6、andforotherwords.G.Anotherwaytohideamessageistousesymbolstostandforspecificlettersofthealphabet.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’sjustrightforyou----Haveyouevervisitedagardenthatseemedjustrightforyou,wheretheatmosphereofthe
7、gardenappearedtototalmorethanthesum(总和)ofitsparts?__1__.Butitdoesn’thappenbyaccident.Itstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.•__2__Somepeoplemaythinkthatagardenisnomorethanplants,
8、flowers,patternsandmassesofcolor.Othersareconcernedaboutusinggardeningmethodsthatrequirelesswaterandfewerfertilizers(肥料).__3__.However,thereareanumberofotherreasonsth