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对于大数据而言,最基本、最重要的要求就是减少错误、保证质量。因此,大数据收集的信息量要尽量精确。

1、正确
2、错误
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正确答案:

错误

答案解析:

暂无解析

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______theyaretwinsisters,theydon’tlooklikeeachother.

Insomecountrieswhereracialprejudiceisacute,violencehassocometobetakenforgrantedasameansofsolvingdifferences,thatitisnotevenquestioned.Therearecountrieswherethewhitemanimposeshisrulebybruteforce;therearecountrieswheretheblackmanprotestsbysettingfiretocitiesandbylootingandpillaging.Importantpeopleonbothsides,whowouldinotherrespectsappeartobereasonablemen,getupandcalmlyargueinfavorofviolence–asifitwerealegitimatesolution,likeanyother.Whatisreallyfrightening,whatreallyfillsyouwithdespair,istherealizationthatwhenitcomestothecrunch,wehavemadenoactualprogressatall.Wemaywearcollarsandtiesinsteadofwar-paint,butourinstinctsremainbasicallyunchanged.Thewholeoftherecordedhistoryofthehumanrace,thattediousdocumentationofviolence,hastaughtusabsolutelynothing.Wehavestillnotlearntthatviolenceneversolvesaproblembutmakesitmoreacute.Thesheerhorror,thebloodshed,thesufferingmeannothing.Nosolutionevercomestolightthemorningafterwhenwedismallycontemplatethesmokingruinsandwonderwhathitus.Thetrulyreasonablemenwhoknowwherethesolutionsliearefindingitharderandherdertogetahearing.Theyaredespised,mistrustedandevenpersecutedbytheirownkindbecausetheyadvocatesuchapparentlyoutrageousthingsaslawenforcement.Ifhalftheenergythatgoesintoviolentactswereputtogooduse,ifoureffortsweredirectedatcleaninguptheslumsandghettos,atimprovingliving-standardsandprovidingeducationandemploymentforall,wewouldhavegonealongwaytoarrivingatasolution.Ourstrengthissappedbyhavingtomopupthemessthatviolenceleavesinitswake.Inawell-directedeffort,itwouldnotbeimpossibletofulfilltheidealsofastablesocialprogramme.Thebenefitsthatcanbederivedfromconstructivesolutionsareeverywhereapparentintheworldaroundus.Genuineandlastingsolutionsarealwayspossible,providingweworkwithintheframeworkofthelaw.Beforewecanevenbegintocontemplatepeacefulco-existencebetweentheraces,wemustappreciateeachother'sproblems.Andtodothis,wemustlearnaboutthem:itisasimpleexerciseincommunication,inexchanginginformation."Talk,talk,talk,"theadvocatesofviolencesay,"allyoueverdoistalk,andwearenonethewiser."It'sratherlikethestoryofthefamousbarristerwhopainstakinglyexplainedhiscasetothejudge.Afterlisteningtoalengthyargumentthejudgecomplainedthatafterallthistalk,hewasnonethewiser."Possible,mylord,"thebarristerreplied,"nonethewiser,butsurelyfarbetterinformed."Knowledgeisthenecessaryprerequisitetowisdom:theknowledgethatviolencecreatestheevilsitpretendstosolve.

1.Whatisthebesttitleforthispassage?

[A]AdvocatingViolence.

[B]ViolenceCanDoNothingtoDiminishRacePrejudice.

[C]ImportantPeopleonBothSidesSeeViolenceAsaLegitimateSolution.

[D]TheInstinctsofHumanRaceAreThirstyforViolence.

2.Recordedhistoryhastaughtus

[A]violenceneversolvesanything.[B]nothing.[C]thebloodshedmeansnothing.[D]everything.

3.Itcanbeinferredthattrulyreasonablemen

[A]can'tgetahearing.

[B]arelookeddownupon.

[C]arepersecuted.

[D]Havedifficultyin

advocatinglawenforcement.

4."Hewasnonethewiser"means

[A]hewasnotatallwiseinlistening.

[B]Hewasnotatallwiserthannothingbefore.

[C]Hegainsnothingafterlistening.

[D]Hemakesnosenseoftheargument.

5.Accordingtheauthorthebestwaytosolveraceprejudiceis

[A]lawenforcement.[B]knowledge.[C]nonviolence.[D]Moppinguptheviolentmess.

____,sheledalifeofcompleteseclusion.

ReadingComprehension

Passage1

Languagesaremarvelouslycomplexandwonderfullycomplicatedorgansofculture.Theyembodythequickestandthemostefficientmeansofcommunicatingwithintheirrespectiveculture.Tolearnaforeignlanguageistolearnanotherculture.Inthewordsofapoetandphilosopher,“Asmanylanguagesasonespeaks,somanylivesonelives.”Acultureanditslanguagesareasinseparableasbrainandbody;whileoneisapartoftheother,neithercanfunctionwithouttheother.Inlearningaforeignlanguage,thebestbeginningiswiththenon-verballinguisticelementsofthelanguage,itsgestures,itsbodylanguage.EyecontactisextremelyimportantinEnglish.Directeyecontactleadstounderstanding,or,astheEnglishmaxim(格言)hasit,seeingeye-to-eye.Wecanneverseeeye-to-eyewithanativespeakerofEnglishuntilwehavelearnedtolookEnglishisspoken

3.Accordingtothispassage,gesturesare________.

A.non-verbalaswellasnon-linguistic

B.verbalandlinguistic

C.non-verbalbutneverthelesslinguistic

D.verbalbutneverthelessnon-linguistic

4.“Asmanylanguagesasonespeaks,somanylives”means________.

A.ifoneleansmanyforeignlanguages,onewillhaveabetterunderstandingofhisownlanguage

lifeisricherandmoreinterestingifoneknowsseverallanguages

nomatterhowmanylanguagesoneknows,onecanneverknowmorethanone’sownculture

ifapersonspeaksonlyonelanguage,hewillliveaveryhappylife

5.Oneofthefollowingwhichisnotsynonymouswiththeothersis_______.

A.signsB.gesturesC.maximsD.bodylanguage

Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.

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