Unit 4 History and Traditions 單元檢測-高中英語人教版（2019）必修第二冊

人教版高中英語必修二

Unit4HistoryandTraditions

第i卷(選擇題)

一、完形填空(共15分)

Inayearofsadness,onefastfoodmanagerisdoingwhatshecantospreadamessageoflove.

AprilDiDonnatoldacustomershe⑴himafterheorderedatthe⑵wheresheworksinWashington.Threemonthslater,shehastoldthousandsof

people"Iloveyoun.

"It'sfillingmyheartwithsomuchmorelove.Iknowthatthelittlethree⑶couldmeansomuchtosomanypeople,"DiDonnatoldareporter.

"I⑷thatifwejustloveeachother,theworldwillbebetter."

The“l(fā)ove"⑸keptgoingandDiDonnastarted⑹howmanypeoplehavesaidnIloveyou"back.About2,700customershave⑺tothemessage

sinceOctober3.

"Sometimespeopleare⑻DiDonnasaid."ThenIjustexplainit.Ifpeoplecanhateforno(9),whycan'tIlove?"

Onetimeanelderlywomanwas,(10)byher,andshesimplythankedDiDonnabeforesheleftthestore,"Thankyouforfellingmethatyouloveme."The

customertoldDiDonnathatherhusbandhad(11).“Idon'thaveanyonetotellmethattheylovemeanymore,"thewomansaid,(12).

DiDonnathenhuggedthewoman(13),"WhenIgavethiswomanahug,shejuststayedinmyarmswithtearsinhereyes,"DiDonnasaid.

Never(14)doinglittlethingsforothers.Sometimesthosethingsoccupy(占據(jù))a(n)(15)partoftheirhearts.

1.A.neededB.lovedC.welcomedD.supported

2.A.factoryB.hotelC.companyD.store

3.A.wordsB.lettersC.symbolsD.tips

4.A.worryB.believeC.explainD.announce

5.A.actionB.scheduleC.puzzleD.method

6.A.forgettingB.countingC.imaginingD.considering

7.A.returnedB.attendedC.repliedD.applied

8.A.thankfulB.nervousC.generousD.curious

9.A.opinionB.reasonC.answerD.choice

10.A.movedB.remindedC.recognizedD.greeted

11.A.turnedupB.giveninC.takenoverD.passedaway

12.A.cryingB.shoutingC.wavingD.jumping

13.A.officiallyB.gracefullyC.tightlyD.eagerly

14.A.dependonB.adaptto

C.gettiredofD.becrazyabout

15.A.fascinatingB.strikingC.extraD.big

二、閱讀理解（共30分）

A

ThetraditionalChineselunarcalendar儂歷）dividestheyearinto24solarterms（節(jié)氣）.StartofWinter,the19thsolartermoftheyear,beginsthisyearon

Nov7andendsonNov21.

StartofWinteristhefirstsolartermofwinter,whichmeanswinteriscomingandcropsharvestedinautumnshouldhestoredup.

Inancienttimes,theStartofWinterwasregardedasthebeginningofwinter,however,duetogeographicalfactors,theactualwintertimevariesfromplace

toplace.

Infact,theStartofWinterisnotthebeginningofwinterintermsofmeteorology（氣象學(xué)）.Theweathereveryyearisdifferent,sothebeginningofwinter

couldbequitedifferent.AndasChinaisverylarge,itstartsatdifferenttimesindifferentareas.

Thebeginningsofthefourseasonswereimportantfestivalsinancienttimes.BeforetheStartofWinter,theancientemperorwouldtakeashowerandhave

nomoremeat.Onthatday,theemperorwouldleadhisofficialstothecountrysideand"welcomethewinter".

Peopleeatdumplingsonthebeginningofwinter.LegendhasitthatinthelateEasternHanDynasty,ZhangZhongjinginvented"JiaoEar"（嬌耳）totreat

typhoid（傷寒）patientswithearfrostbite（凍瘡）.Hecookedmutton,hotpeppersandherbstodriveoutthecoldandwarmupthebody.Heputthesematerials

intoadoughskinandmadethemintoanearshape.Sincethen,peoplehavelearnedtomakethefoodwhichbecameknownas"dumplingHorjiaozi.Todaythere

isstillasayingthatgoes"EatdumplingsonStartofWinterDay,oryourearswillbefrostbitten."

16.WhichofthefollowingisrightaboutStartofWinter?

A.ItisoneofthesolartermsinChinesecalendar.

B.Peoplebegintoharvestcropsonthisday.

C.WinterbeginsonNovember7thisyear.

D.Itbeginsindifferentmonthsindifferentplaces.

17.Whatdoesitinparagraph4referto?

A.thestartofwinterB.thechangeofweather

C.theimportantfestivalD.thebeginningofwinter

18.Whatdothelasttwoparagraphsmainlytalkabout?

A.ImportanceofStartofWinter.

B.CustomsofStartofWinter.

C.Origin（起源）ofStartofWinter.

D.FoodeatenonStartofWinter.

19.WhydopeopleeatdumplingsonStartofWinterday?

A.Becausedumplingscandriveawaytyphoid.

B.Becausetheywishforgoodluckforthemselves.

C.Becauseeatingdumplingscanwarmuptheirears.

D.Becausetheywanttopreventthecomingofwinter.

Anewstudysuggeststhatlongperiodsinspacecancausethehumanhearttoshrink（縮4、）.Thestudy一byateamofAmericanresearchers一comesasthe

U.S.makesplanstobuildalong-termbaseonthemoonandpreparestosendastronautstoMars.

PartofthestudywasbasedontheexperiencesoftheretiredastronautScottKelly.TheU.S.spaceagencyNASAsaysthatduringhiscareer,Kellyspent

moretimeinspacethananyotherAmericanastronaut.OneofKelly*sstaysaboardtheInternationalSpaceStation（ISS）lasted340days.Researchersfromthe

UniversityofTexasSouthwesternMedicalCenter（UTSouthwestern）inDallascollectedandanalyzedthephysicaldataduringKelly'slongstayaboardtheISS.

Thegoalwastolearntheeffectsofweightlessnessonhearthealthandperformance.TheteamfoundthatduringKelly'sstayinspace,theleftventricle（心室）of

hisheartshrankabout0.74gramsperweek.

Dr.BenjaminLevineisaprofessoratUTSouthwestern.Hewastheleaderoftheresearch.Inastatement,heexplainedthatbecauseoftheconditionsin

space,theheartdoesnothavetoworkashardtopump（輸送）blooduphillfromthefeet.Overtime,thiscancauseshrinkage.Inanefforttokeeptheirheartsand

bodieshealthyinspace,astronautsarerequiredtoperformdifferentkindsofexercisesthroughouttheirstay.

Reductionsinheartsizearealsoseeninpatientswhospendlongperiodsinbedbecausetheyarelyingflatandtheheartdoesnothavetoworkashardto

pump.Asecondpartofthestudyexamineddatafromalong-distanceswimmerwhospentnearlyayeartryingtocrossthePacificOcean.Theswimmer,Benoit

Lecomte,waschosenbecauseheswammorethan2,800kilometersover159days.Levinesayslong-distanceswimminghassimilareffectsonweightlessness.

ThestudyshowedthatduringLecomte'sswim,hisleftheartventricleshrankabout0.72gramsperweek.

20.Howdidtheresearcherscarryouttheirstudy?

A.Byinterviewingastronauts.

B.Byexaminingcollectedinformation.

C.ByexperimentingaboardtheISS.

D.Bycomparingpeopleindifferentfields.

21.Whatareastronautsaskedtodotokeeptheirheartsfitinspace?

A.Dovariousexercises.B.Getregularbloodtests.

C.Stayinspaceforlesstime.D.Standontheirheadssometimes.

22.Whoisleastlikelytosufferfromashrunkheartaccordingtothetext?

A.Apatientspendingalongtimeinbed.

B.Anastronauttravelinginspaceforlong.

C.Along-distanceprofessionalswimmer.

D.Awell-trainedmarathonrunner.

23.Whatcanbethebesttitleforthetext?

A.NewWaystoFightHeartDiseases

B.TheU.S.BuildsaMedicalCenterinSpace

C.LongSpaceFlightsCanShrinktheHeart

D.Long-distanceSwimmingKeepsYourHeartFit

c

Chinaisrecognizedasaworldleaderinthedevelopmentofartificialintelligenceandfacialrecognitionsystems.AChinesecompanysaysithascreateda

newfacialrecognitionsystemthatcanidentifypeopleeveniftheyarewearingmasks（口罩）.EngineersattheBeijing-basedcompanysaytheirsystemisthe

firsttobecreatedtoeffectivelyidentifypeoplewearingfacemasks.

Thecompanytoldanewsagencythatateamof20peoplebuiltthesysteminaboutamonth.Thosystemisbasedonexistingtechnologiesdevelopedover

thepast10years.Theprocessinvolvedaddingacollectionofabout6millionunmaskedfacesandamuchsmallercollectionofmaskedfaces,thecompanysaid.

Thecompanyisnowsellingtwomainkindsofproductsthatusethenewtechnology.Oneperforms"singlechannel"recognition,whichisdesignedtobe

usedattheentrancestobuildings.Theotherproductisa"multi-channel"recognitionsystemthatusesgroupsofsurveillance（監(jiān)視）cameras.Itcanidentify

individualsinacrowdofupto30peoplewithinasecond.

"Whenpeoplearewearingamaskthatcoversthemouthandthenose,therecognitionratecanreachabout95%,whichcanensurethatmostpeoplecanbe

identified,"saidHuang,vicepresidentofthecompany.Headdedthatthesystem'ssuccessrateforpeoplenotwearingamaskisabout99.5%.

However,thenewsystemstrugglestoidentifypeoplewearingbothamaskandsunglasses."Inthissituation,allofthekeyfacialinformationislost.Insuch

casesrecognitionisgraunchy/Huangsaid.

Peoplerespond（響應(yīng)）differentlytothenewtechnology.Whilesomecitizenshavebeenagainstusingsuchtools,themajorityhaveacceptedthe

technologyasaneffectivewaytoreducecrimeandcatchcriminals.

24.Whatdidthecompanydotobuildthesystem?

A.Itusedthelatesttechnology.

B.Itgatheredmanyfaceimages.

C.Itemployedhundredsofpeople.

D.Itaddedacollectionofmasks.

25.Whatcanweknowaboutthenewsystem?

A.Itssuccessrateisaffectedbycameras.

B.Itsperformancevarieswiththelocation.

C.Itdoesbetterinidentifyingunmaskedfaces.

D.Itcanrecognizegroupsofpeopleinseconds.

26.Whatdoestheunderlinedword"graunchy"mean?

A.Tough.B.Specific.C.Normal.D.Different.

27.Whatismostpeople'sattitudetowardsthenewsystem?

A.Supportive.B.Objective.C.Uncaring.D.Doubtful.

D

Bestroyal（王室的）palacesinEuropeyoucanvisitTherearesomeroyalpalacesinEuropethatoftenopentheirdoorstothepublic.

DrottningholmPalace,Sweden

ThisbreathtakingpalaceinDrottningholmisnotonlyaresidenceoftheSwedishroyalfamily,butit*salsoaUNESCOWorldHeritageSitethanksto

itsimpressivelypreservedcastleandtheatre.Thepalaceandparkareopentothepublicyear-round.

RoyalPalace,Oslo,Norway

TheofficialroyalresidencefortheNorwegianovalshasneoclassicalarchitectureandlandscapedgardenswithpondsandeye-catchingstatues.During

thesummermonthsthepalaceopenstothepubliconguidedtours,whichincludebeautifulstateroomsincludingtheBirdRoom,MirrorHall,Small

CeremonialHallandBanquetingHall.

RoyalPalaceofMadrid,Spain

WhiletheRoyalPalaceofMadridisofficiallytheroyalresidence,nowadaystheSpanishroyalschoosetoliveintheZarzuelaPalaceinstead,withthe

MadridPalaceusedmainlyforslateceremonies.Thereareover3,000roomsinthisbreathtakingpalacemakingitoneofthelargestintheworld.

Highlightsincludetheroyalkitchensandthepaintinggallery,whiletheChangingoftheguardneverfailstobeahitwithtourists.

PalaceofVersailles,France

Ifyouwanttovisitapalacethat*sluxurious（豪華的），thenthePalaceofVersaillesneedstobeonyourlist.Francehasn'thadaroyalfamilysincethe

FrenchRevolutionin1789,butthispalaceoffersaglimpse（短暫的感受）intohowtheformerroyalslived,aswellasservingasamuseumwhich

preservessomeofthefinestworksbythemostgiftedpainters,sculptorsandcraftsmenofthetime.

28.WhenisRoyalPalace,Oslolikelytoopentothepublic?

A.Inmach.B.InJuly.C.InOctober.D.InDecember.

29.Whereshouldvisitorsgoiftheywanttoseestateceremonies?

A.DrottningholmPalace.B.RoyalPalace,Oslo.

C.RoyalPalaceofMadrid.D.PalaceofVersailles.

30.WhatcanvisionsdoatPalaceofVersailles?

A.Comeacrossroyalmembers.

B.Enjoysomeexcellentartworks.

C.Communicatewithgiftedpainters.

D.LearnthehistoryofFrenchRevolution.

第II卷（非選擇題）

三、語法填空（共30分）

A

TheancienttownofFenghuangisaplacewithidyllic(平和美麗的)villagelifeinruralChina.Havingtravelleddirectlyfromthebusycity,Iregard

Fenghuangasabetter⑴(choose)tohaveabreathofthefreshair.

WhenIpaid⑵visittoFenghuang,itwasJuly.MyfriendandI⑶(excited)explored,walkingalongtheancientwallandcrossingthebeautiful,

oldbridges.Peopletherewerevery⑷(relax).Theywereneithertroubledbythehotweathernorbythetourists,walking,eatingandplaying

outdoors.⑸thefirsteveningweboughtspicy,coldnoodlesandateontheriverbankaswewatchedthesunset.

Westayedinasmallhotel⑹wassimilartomanyofthetraditional⑺(building)inthevillage.Ourroomwasbuiltonhighstilts(樁子)overthe

banksoftheriver.Fromourwindowwecouldheartherushofthewaterandthesoundsofexcitedtourists⑻(travel)insmallboatsdownstream.We

sawpeopleatworkbusycatchingfishandyoungchildrenplayinginshallowwaters.

Althoughthere⑼(be)manyvisitorstoFenghuang,wedidnotseeanyotherforeignerduringourstay.Afterseveraldays,Iwasstill

unwilling(10)(leave).

B

Anancientculturedatingbackmorethan5,000yearsprovedChina*searlyexchangeswithothersocieties,expertssay.

ExpertsbelievetheMajiayaoculturehadaclose⑴(connect)withothervariouscultures.Theyputitforwardatarecentmeeting⑵washeldin

GansuProvince.Withmorethan5,000yearsofhistory,itplaysanimportantroleinthedevelopmentoftheChinesecivilization(文明).Thisculture

spreadtoCentralAsiathrough⑶isnowChina'sXinjiangProvince,(4)(bring)ricefromChinatothewest.

SwedishexpertJohanfirst⑸(investigate)culturalsitesin1924.Inthe1940s,XiaNainamedthesitesaftertheMajiayao,withpaintedpottery(彩

陶)as⑹(it)mostspecialfeature.SomeexpertspointoutthattheMajiayaoculture⑺(obvious)sharessimilaritieswiththeculturesofsomeparts

oftheBlackSea.Peoplefromtheseculturesusedpottery⑻(make)humanheadsculptures.⑼addition,someCentralAsianfeaturesalsoappeared

onthepaintedpotteryoftheMajiayao.

Actions(10)(take)toprotecttheMajiayaoculturebybuildingmuseums,organizingmeetingsanddoingmoreresearchsofar.

四、書面表達(共25分)

假定你是李華，得知你的美國筆友Tom上周來到中國。他對孔子很感興趣，所以你決定邀請他到曲阜游玩并一起去逛“三孔”(即孔府、孔

廟和孔林)。請根據(jù)下列要點給他寫一封電子郵件。內(nèi)容包括：

1.表示歡迎；2.行程安排。

注意：

1.詞數(shù)80左右；

2.開頭和結(jié)尾已給出，不計入總詞數(shù)；

3.可適當增加細節(jié)，以使行文連貫。

DearTom,

I'mmorethangladtolearnthatyoucametoChinalastweek.

Lookforwardtoseeingyou!

Yours,

LiHua

答案

1-15.B、D、A、B、A、B、C、D、B、A、D、A、C、C、D

1.AprilDiDonna在華盛頓的一家商店里工作，當一位顧客在店里下單時,她對他說她愛他。A.needed需要;B.loved愛;C.welcomed歡迎;D.supported

支持。根據(jù)上文...doingwhatshecantospreadamessageoflove.以及下文shehastoldthousandsofpeople"Iloveyou".可知，此處表示愛。故選Bo

2.A.factory工廠；B.hotel旅店；C.company公司；D.store商店。根據(jù)下文andshesimplythankedDiDonnabeforesheleftthestore可知，此處表示商

店。故選D。

3.“它讓我的心充滿了更多的愛。我知道這三個字對很多人來說意義重大，"DiDonna告訴記者。A.words字；B.letters信；C.symbols符號；D.tips

技巧。根據(jù)AprilDiDonna正在盡她所能傳播愛的信息，對人們說“我愛你”。此處指“我愛你”這三個字。故選A。

4.“我相信，如果我們彼此相愛，世界會更美好。"A.worry擔心；B.believe相信；C.explain解釋；D.announce宣布。根據(jù)下文中的ifwejustlove

eachother,theworldwillbebetter可知，只要我們彼此相愛，世界就會更美好，這是AprilDiDonna相信的東西。

5.“愛”的行動還在繼續(xù)，AprilDiDonna開始數(shù)有多少人對她說了“我愛你”。A.action行動；B.schedule計劃；C.puzzle難題；D.method方法。

日艮據(jù)上文中的Inayearofsadness,onefastfoodmanagerisdoingwhatshecantospreadamessageoflove.和下文中的Iloveyou可知,AprilDiDonna

正在盡她所能傳播愛的信息，對人們說"我愛你“，這是“愛”的行動。故選A。

6.A.forgetting忘記；B.counting計算，計數(shù)；C.imagining想象；D.considering考慮。根據(jù)下文中的howmanypeoplehavesaid"Iloveyou"back.和

About2,700customers可知，此處指AprilDiDonna開始計算有多少人回復(fù)“我愛你”。故選B。

7.自10月3日以來，約有2700名客戶回復(fù)了這條消息。A.returned返回；B.attended出席；C.replied回復(fù)；D.applied申請。根據(jù)上文中的DiDonna

startedhowmanypeoplehavesaid"Iloveyou”back.可知，AprilDiDonna開始計算有多少人回復(fù)“我愛你”，計算出自十月三日以來已有2700

名顧客回復(fù)了這條信息。故選C。

8.”有時人們會感到好奇”，DiDonna說。A.thankful感謝的；B.nervous緊張的；C.generous慷慨的；D.curious好奇的。根據(jù)下文"ThenIjustexplain

it.Ifpeoplecanhateforno⑼，whycan'tIlove?”可知，人們會很好奇為什么DiDonna要這么說。

9.如果人們可以無緣無故地恨，我為什么不能愛呢？A.opinion意見；B.reason原因；C.answer答案；D.choice選擇。根據(jù)句中的why可知，此處

表示原因。故選B。

10.有一次，一位老太太被她感動了，她在離開商店前感謝了DiDonna,“謝謝你告訴我你愛我。"A.moved感動；B.reminded提醒；C.recognized

認出；D.greeted問候。根據(jù)下文shesimplythankedDiDonna可知，老太太被DiDonna感動了，所以感謝她。故選A。

11.那位顧客告訴DiDonna她的丈夫已經(jīng)去世了。A.turnedup出現(xiàn)；B.givenin屈服；C.takenover接管；D.passedaway去世。根據(jù)下文老太太說的

話Idon'thaveanyonetotellmethattheylovemeanymore,可知，丈夫去世后，沒有人再說愛她。故選D。

12.“沒有人告訴我他們愛我，”老太太哭著說。A.crying哭；B.shouting大喊大叫；C.waving揮手；D.jumping跳。根據(jù)下文shejuststayedinmyarms

withtearsinhereyes,可知，老太太哭了。故選A。

13.DiDonna緊緊地抱住了那個老太太。A.officially正式地；B.gracefully優(yōu)雅地；C.tightly緊緊地；D.eagerly熱切地。聽到老太太的話，AprilDiDonna

緊緊地擁抱

14.永遠不要厭倦為別人做小事。A.dependon依靠；B.adaptto適應(yīng)；C.gettiredof對.感到厭倦；D.becrazyabout著迷于。根據(jù)下文Sometimes

thosethingsoccupy（占據(jù)）a（n）（15）partoftheirhearts.可知，作者勸誡我們不要厭倦為別人做些小事。故選C。

15.有時這些事情占據(jù)了他們心中很大的一部分。A.fascinating迷人的；B.striking引人注目的；C.extra額外的；D.big重大的。分析句意可知，有

時這些事情占據(jù)了他們心中很大的（big）一部分，D項符合語境。故選D。

16-19.C、D、B、B

16.根據(jù)文章第一段第二句StartofWinter,the19thsolartermoftheyear,beginsthisyearonNov7andendsonNov21.（立冬是一年中的第19個節(jié)氣，

今年立冬節(jié)開始于11月7號，結(jié)束于11月21號）可知，立冬是二十四節(jié)氣之一，今年冬季開始于11月7號，故選C。

17.根據(jù)上一句話Theweathereveryyearisdifferent,sothebeginningofwintercouldbequitedifferent.（每年的天氣都不一樣,所以冬天的開始可能

很不一樣。）可知，it代指上一句中的thebeginningofwinter。故選D。

18.根據(jù)倒數(shù)第二段中的BeforetheStartofWinter,theancientemperorwould..."welcomethewinter”.（在立冬之前，古代的皇帝會洗個澡，不再吃肉。

在那一天，皇帝會帶領(lǐng)他的官員到農(nóng)村“迎接冬天”），以及最后一段中的Hecookedmutton,hotpeppersandherbstodriveoutthecoldandwarmup

thebody.（他會燉羊肉，辣椒和草藥來驅(qū)趕寒冷，溫暖身體），可知，文章后兩段主要講在古代，立冬節(jié)氣人們的一些習(xí)俗。故選B。

19.根據(jù)文章最后一段最后一句Todaythereisstillasayingthatgoes"EatdumplingsonStartofWinterDay,oryourearswillbefrostbitten."（今天仍然

有諺語，“立冬時節(jié)吃餃子，否則耳朵凍下來”）可知，現(xiàn)在的生活條件提高了，人們吃餃子不再只是為了驅(qū)寒，而是是帶著一種對自己的美好

愿望。故選B。

20-23.B.A、D、C

20.根據(jù)第二段中的ResearchersfromtheUniversityofTexasSouthwesternMedicalCenter（UTSouthwestern）inDallascollectedandanalyzedthephysical

dataduringKelly'slongstayaboardtheISS（達拉斯德克薩斯大學(xué)西南醫(yī)學(xué)中心（UTSouthwestern）的研究人員收集并分析了凱利在國際空間站長

期停留期間的物理數(shù)據(jù)）可知，研究人員通過分析收集的信息來進行研究。故選B。

21.根據(jù)第三段中的Inanefforttokeeptheirheartsandbodieshealthyinspace,astronautsarerequiredtoperformdifferentkindsofexercisesthroughout

theirstay（為了在太空中保持他們的心臟和身體健康，宇航員在逗留期間需要進行各種各樣的鍛煉）可知，宇航員需要做各種各樣的鍛煉來使他

們的心臟適應(yīng)太空。故選A。

22.根據(jù)第二段最后一句TheteamfoundthatduringKelly'sstayinspace,theleftventricle（心室）ofhisheartshrankabout0.74gramsperweek.（研究小

組發(fā)現(xiàn)，在凱利停留在太空期間，他的左心室每周收縮約0.74克。）和第四段第一句Reductionsinheartsizearealsoseeninpatientswhospendlong

periodsinbedbecausetheyarelyingflatandtheheartdoesnothavetoworkashardtopump（長時間躺在床上的病人也會出現(xiàn)心臟尺寸的縮小，因為

他們平躺著，心臟不需要那么辛苦地工作來泵血）以及第四段最后一句ThestudyshowedthatduringLecomte'sswim,hisleftheartventricleshrankabout

0.72gramsperweek（研究表明，在萊科姆特游泳期間，他的左心室每周收縮約0.72克）可知，長時間臥床的病人、長距離職業(yè)游泳運動員和長時

間在太空旅行的宇航員的心臟都會收縮。故選D。

23.根據(jù)文章第一段第一句Anewstudysuggeststhatlongperiodsinspacecancausethehumanhearttoshrink（縮?。ㄒ豁椥碌难芯勘砻?長時間在

太空中會導(dǎo)致人類心臟收縮）以及結(jié)合文章內(nèi)容可知，這篇文章主要講長期在太空會使人類心臟縮小。24-27.B、C、A、A

24.根據(jù)第二段中的Theprocessinvolvedaddingacollectionofabout6millionunmaskedfacesandamuchsmallercollectionofmaskedfaces（這——過程

包括添加大約600萬張未蒙面的臉和更小的蒙面臉）可知，公司在建立這個系統(tǒng)的過程中收集了許多人臉圖像，既有戴口罩的，也有不戴口罩的。

故選B。

25.根據(jù)第四段（該公司副總裁黃先生表示：“當人們戴著口罩遮住口鼻時，識別率可以達到95%左右，這可以確保大多數(shù)人都能被識別。。

他補充說，該系統(tǒng)對不戴口罩的人的成功率約為99.5%。）可知，這種新技術(shù)在識別不戴口罩的人臉的準確率方面達到99.5%。故