华南师大附中届高三综合测试二英语Word下载.docx

华南师大附中届高三综合测试二英语Word下载.docx

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每小题2.5分，满分37.5分）

阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。

A

iPhone12

Outlook

Featuringthesame6.1-inchdisplaysizeastheiPhone11andiPhoneXRbefore

it,iPhone12ismakingthetransitionfromanLCDscreentoOLED.Withflat

aluminum（铝）sidesforanoveralllook,itmorecloselymatchestheiPadProandiPad

Air.Asidefromtheflatsides,iPhone12stilllargelyresemblestheiPhone11.Around

back,ithastwocamerashousedinaglasscircle,whichmakesforanicecontrastwith

therestofthesmoothbackpanel.Toavoidbeingbrokenorcrackedwhendropped,

iPhone12iscoveredwithwhatAppledescribesasa“ceramic（陶瓷）shield”.

Camera

TheiPhone12hasa12-megapixelf/1.6maincamera—thefastestaperture（光圈）

inanyiPhoneyet.Thelow-lightperformancehasimproved,anditsadvancementsin

computationalphotographytomaximizedetailanddynamicrangehasalsobeen

achieved.ThefrontcameraontheiPhone12isgainingNightMode,aswell.

Processor

iPhone12ispoweredbythecompany’snewA14Bionicprocessor,whichisthe

firstsmartphonechipbuiltona5nmprocess,leadingtoimprovedperformanceand

efficiency.It’sclaimedthattheprocessorisupto50percentfasterthantheleading

chipsinAndroidsmartphones.

Wirelesscharging

ToimprovewirelesschargingontheiPhone12,itcontainsa“MagSafe”system

withbuilt-inmagnetstoguaranteethattheiPhone12properlylinesupwiththe

MagSafeaccessories（配件）.

1.WhatisthesizeofiPhone12?

A.About6.1-inchasthatofiPhoneMax.

B.ThesamesizeasiPadPro.

C.BiggerthanthatofiPhone11.

D.AsbigasiPhoneXR.

2.What’sthefunctionofthe“MagSafe”system?

A.TocarryoutthewiredchargingofiPhone12.

B.ToperfectlymatchtheiPadProandiPadAir.

C.TomakesuretheiPhone12isrightfortheMagSafeaccessories.

D.Toprocesstheinformationinamorerapidway.

3.WhichofthefollowingsisTRUEaboutiPhone12?

A.Thereareonlytwocamerasplacedseparatelyinfrontandback.

B.ItispoweredbyA14BionicprocessorusedinAndroidsmartphones.

C.AllcamerasofiPhone12havetheNightMode.

D.Aceramicshieldhelpsprotectagainstbreakingandcracking.

B

Mostofushavespentmoretimeathomerecentlythanweeverimagined

possible.Maybeyoutooktheopportunitytoclean,ormaybeyouplantodoit

tomorrow.Thesetipscanhelpmakeyourhousebetterforyourbodyandyourmind.

Thinkaboutkeepingyourhomecleantheminuteyouwalkin.Takeoffyour

shoesatyourdoor.AUniversityofArizonastudyfoundthattheaverageshoeharbors

nearly421,000differentbacteria,includingEscherichiacoliandstrep.Pesticides,tar,

lead,mold,andcleaningchemicalscanalsogettrackedintoyourhomeviayourshoes.Leaveapairofslippersbythefrontdoor.

Evenifyouthinkyou’vedisinfectedeverything,youmighthaveoverlooked

somegermmagnets（磁铁）.Onenotoriousoffender:

thetoothbrushholder.Rinseit

dailyandrunitthroughthedishwasherregularly.Anothergermmagnet:

kitchen

sponges.They’resounhealthfulthey’vebeenbannedfromrestaurantkitchens.

Portableultraviolet（紫外线）lightsareahighlyboastedgermkiller.HospitalsusepowerfulUVClighttodisinfectrooms,asitcankillviruses（possiblyeventhenewcoronavirus）.Butbeware:

notallhomedisinfectingsystemsuseUVC,andsomeUVlightscanquicklyburnyourskin.

Don'

tforgettocleantheairinyourhometoo.Thegoldstandardisa

high-efficiencyparticulateair（HEPA）filter（过滤器）.TheDepartmentofEnergy

requiresthattheyremove99.97percentofpollutantsandparticles（颗粒）intheair.

PortableHEPAfilterscancleanasingleroomortheentirehouse.Therearecheaper

waystocleantheair-startbycrackingawindow.Indooraircanhavetwotofivetimesmorepollutantsthanoutdoorair.

Manyvirusesdon’tspreadaswellinmoistairastheydointhecold,drymonths.

Oneeasysolutionforthewinter:

usingahumidifier.TheCDCadvisesagainst

cool-misthumidifiers,whichcancontainbacteriaiftheyaren’tcleanedregularly.

Old-fashionedsteamhumidifiersarebest.Buttoomuchhumiditycanworsen

respiratory（呼吸的）problemsandencouragethegrowthofdustmites.

4.Whatshouldyoudobeforeyouwalkintoyourhouse?

A.Takeoffyourcoat.B.Changeyourshoes.

C.Cleanupthebacteria.D.Dustofftheshoes.

5.WhatdoestheCDCthinkofthecool-misthumidifiers?

A.Itisamustinwinter.

B.Itcanworsenrespiratoryproblems.

C.Itisnotasgoodastheold-fashionedsteamhumidifiers.

D.Itisaneasysolutionfordryseasons.

6.WhichisNOTthewayintroducedinthepassagetomakethehousecleaner?

A.Freshenyoursheets.B.Washtoothbrushholders.

C.DisinfectroomsbyUVClight.D.CleantheairwithHEPAfilters.

7.Whichofthefollowingisprobablythebesttitleforthetext?

A.HowtoDoCleaning.B.KeepYourselfHealthy.

C.MakeYourMindBooster.D.GetaHealthyHome.

C

CurtisWhitsonknewthewaterfallwascoming.He'

drafteddowntheArroyo

Seco,ariverincentralCalifornia,before.Butthisyearwasdifferent.Heavysnow

andspringrainshadturnedtheusuallymanageablefallsintosomethingfierce.And

thisyear,insteadofhisfriends,Whitson'

scompanionswerehiswife,KrystalRamirez,andhis13-year-oldson,Hunter.Asthethreeofthemapproachedthefallslateinthe

afternoonofthethirddayoftheircampingtrip,Whitsoncouldtellfromthe

increasingroarofwaterinthenarrowcanyonthattheywereinserioustrouble.There

wasnowaythey’dbeabletorappeldown（绕绳下降）therocksasplanned.

“Thewaterwasjustgushingthroughtherewithtremendousforce,”recalls

Whitson.

Theycouldwadetotheshore,butwouldanyonefindthemthere?

Theyhadno

mobilephoneservice,andtheyhadn’tseenasinglepersoninthepastthreedays.

Asheconsideredwhattodo,Whitsonhitonabitofluck—heheardvoices

comingfromtheothersideofthefalls.Heyelled,butthesoundoftherushingwater

drownedhimout.

Wehavetogetthesepeopleamessage,Whitsonthought.

ThenhespottedhisgreenNalgenewaterbottle.Whitsongrabbeditandcarved

“Help!

”onit.Ramirezalsoremindedhimthathehadapenandpaper,whichshe'

d

broughttoplaygameswith,inhisbackpack.Whitsonknewitwasalongshot.Buthe

scrawled“Wearestuckhereatthewaterfall.Gethelpplease!

”andpushedthenote

intothebottle,throwingitoverthewaterfallperfectly.

“Allright,that’sallwecando,”WhitsontoldHunter.

Ittook30minutestonavigatebackupstreamtothebeachwheretheymadeafire.Withnoreasonableexpectationthattheirmessageinabottlewouldfinditswayto

anyone,theyspelledoutSOSinwhiterocks.Astheeveningworeon,theyplaceda

headlampwithaflashinglightonaledge（岩石突出部）.Then,justaftermidnight,

theyheardahelicopterhoveringabovethem.Whitsonranovertotheheadlampand

startedflashingitatthehelicopter.He,Ramirez,andHunterwerewavingand

holleringwhentheyheardthemagicwords:

“ThisisSearchandRescue.Youhave

beenfound.”

Itwasamomentofpurehappinessasthethreechattedwiththeofficerswhohad

rescuedthem.Together,theymarveledattheunlikelihoodofitall.Twomenhadseen

thewaterbottleinthewater.Whentheypickeditup,theynoticedthewritingonit—

”.

Afewdaysafternewsoftherescuebroke,oneofthehikerscontactedWhitson.

That’swhenhelearnedthestory.Therewereactuallytwolittlegirlshikingwiththe

menthatday.Itwasthegirlswhofirstspottedthebottleandswamtogetit.Whitson

isplanningonhavingabigbarbecuetomeetthehikers—andthankthem.

8.WhichwasNOTthetroubletheWhitsonsfaced?

A.Thewaterfallswerefierce.

B.Therewasnomobilephoneservice.

C.Allofthemwerenotexperiencedinrafting.

D.Theyhadtorappeldowntherocks.

9.WhichistheorderthattheWhitsonshelpedthemselvesout?

①TheyspelledoutSOSontherocks.

②Whitsonsqueezedthenote“Gethelpplease”intothebottle.

③Whitsonyelledtotheothersideofthefalls.

④Whitsoncarved“help”onhisgreenbottle.

A.③④②①B.②③④①C.①④③②D.④③②①

10.Whatdoestheunderlinedpartinparagraph7mean?

A.Itisafantasticidea.B.It’sabigchallenge.

C.It’sawildattempt.D.It’salongexploration.

11.Whitsonisplanningtohaveabigbarbecue______.

A.tocelebratetheirsurvival

B.toshowgratitudetothehikers

C.tohaveafamilyunion

D.tomeetandthanktherescueofficers

D

Ifyouhavespentanytimereadingpapersonteachingstrategiesinthepastfew

years,youhaveprobablynoticedastrongbacklashagainstdrill&

practice,infavorof

“constructivistactivities”and“project-basedlearning”.

Memorizingfacts,manypeopleargue,isanoutdatededucationalpractice,since

anyonecouldjustGoogleafactondemandorlookituponWikipedianowadays.

Theyconsiderthatweshouldfocusallschoolactivitiesontheacquisitionofskillsas

opposedtoknowledge.

However,learningbyrote（memorizationbyrepetition）ismoreimportantthan

youthink.Therearemanycasesinwhichhavingknowledgeimmediatelyonthetip

ofyourtonguecanhavegreatsocialandprofessionalvalue.Forexample,lastnightat

anetworkingevent