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1、歷年高考試題分項(xiàng)解析之專題七選五1【2016·全國新課標(biāo)I】根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)，選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。Secretcodes(密碼)keepmessagesprivate。Banks,companies,andgovernmentagenciesusesecretcodesindoingbusiness,especiallywheninformationissentbycomputer.Peoplehaveusedsecretcodesforthousandsofyears.71Codebreakingneverlags(

2、落后)farbehindcodemaking.Thescienceofcreatingandreadingcodedmessagesiscalledcryptography.Therearethreemaintypesofcryptography.72Forexample,thefirstlettersof“Myelephanteatstoomanyeels”Spelloutthehiddenmessage“Meetme.”73Youmightrepresenteachletterwithanumber,Forexample,Let’snumberthelett

3、ersofthealphabet,inorder,from1to26.Ifwesubstituteanumberforeachletter,themessage“Meetme”wouldread“13520135.”Acodeusessymbolstoreplacewords,phrases,orsentences.Toreadthemessageofarealcode,youmusthaveacodebook.74Forexample“bridge“mightstandfor“meet”and“out”mightstandfor“me.”Themessage“

4、bridgeout”wouldactuallymean“Meetme.”75However,itisalsohardtokeepacodebooksecretforlong.Socodesmustbechangedfrequently.A.It?is?very?hard?to?break?a?code?without?the?code?book.B.In?any?language,?some?letters?are?used?more?than?others.C.Only?people?who?know?the?keyword?can?read?the?mess

5、age.D.As?long?as?there?have?been?codes,?people?have?tried?to?break?them.E.You?can?hide?a?message?by?having?the?first?letters?of?each?word?spell?it?out.F.With?a?code?book,?you?might?write?down?words?that?would?stand?for?other?words.G.Another?way?to?hide?a?message?is?to?use?symbols?to?

6、stand?for?specific?letters?of?the?alphabet.2【2016·全國新課標(biāo)II】根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。Agardenthat’sjustrightforyouHaveyouevervisitedagardenthatseemedjustrightforyou,wheretheatmosphereofthegardenappearedtototalmorethanthesum(總和)ofitsparts?71.Butitdoesn’thappenbyaccident.I

7、tstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.●___7213Somepeoplemaythinkthatagardenisnomorethanplants,flowers,patternsandmassesofcolor.Othersareconcernedaboutusinggardeningmethodsthatrequirelesswaterandfewerf

8、ertilizers(肥