2020-2021学年北京市延庆区九年级(上)期中英语试卷

2020・2021学年北京市延庆区九年级（上）期中英语试卷

一、单项填空（共6分，每小题05分）从下面各题所给的A、B、C、D四个选项中，选

择可以填入空白处的最佳选项。

1.(.5分)Lastweek,thetwinschoseadressformotherasabirthdayeift.()

A.herB.themC.theirD.his

2.(.5分)StanLee,thefatherofMarvelComic,passedaway_____Nov.3,2018.()

A.onB.atC.inD.over

3.(.5分)Sorry,Imustgotothelibrary.Lily_____formethere.()

A.waitedB.iswaiting

C.waitsD.waswaiting

4.(.5分)WilliamShakespeareisoneof_____writersintheworld.()

A.famousB.morefamous

C.mostfamousD.themostfamous

5.(.5分)一_____yougotocinemawithmethisSaturday?

—Sorry,Ican't.ThisSaturdayismymother'sbirthday.()

A.MayB.CanC.MustD.Need

6.(.5分)Washyourhandsbeforemeals,__youmaygetill.()

A.andB.butC.orD.so

7.(.5分)--willthetalkshowstart?

--Itwillstartat8：00.()

A.WhenB.WhyC.HowD.Where

8.(.5分)--Whatwereyoudoingthistimeyesterday?

--Itheclassroom.()

A.havecleanedB.wascleaning

C.cleanedD.clean

9.(.5分)Iplayingthispieceofmusicfortwomonths,soIplayitbetter.()

A.practiceB.practiced

C.willpracticeD.havepracticed

10.(.5分)Myfatheroftentothegymwithmethoughhehaslotsofworktodo.()

第项（共25页）

A.wentB.hasgoneC.goesD.willgo

11.(.5分)The2仙WinterOlympicGamesinBeijingandZhangjiakou(n2032.

A.holdsB.isheld

C.willholdD.willbeheld

12.(.5分)--CanyoutellmenextSunday

---Bytrain()

A.howwewillgotoShanghai

B.howdidwegotoShanghai

C.howwewenttoShanghai

D.howwillwegotoShanghai

二、完形填空阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个

选项中，选择最佳选项。

13.(8分)

Frompapertopiano

Iwas11yearsoldwhenIaskedmymomforpianolessonsin2010.sw)cEhepoor

saidapolite〃no〃.

Thatdidn'(ll)me.IGoogledthemeasurementsforakeybdravdthekeyson

apieceofpaperandstuckitonmydesk.Iwouldclicknotesonanonlinekeyboardand〃play〃

thembackonmypaperonheepingthesoundtheymadeonthecomputerinmyhead.Ispent

sixmonthsplayingwithouttouchingarealpiano.Oncemymomsa\\(2:hatTwa^ie

borrowedmoneyandboughtme10lessons.

Istillrememberthefirstone.Iwasstruckbyhowrealthesoundof(81)epianowas.I

mygradeoneaftereightlessons.OnceIstartedseconflawsohd)ddi，taffordlessons

again.Ipassedgrade,thtriwngradefiH).

OneeveningwhenIwasaboutfli8ymomsaidshehadasurpriseftir)mefor

her.Shewasinshock.

Myschooldidn，toffermusrdeVel.IfoundthePurcellSchoolforyoungmusicians

butthetryoi(嗨拔)weredifficult.Tomyamazement

AtPuree)IIspenttwoyearsworkii(j6)asasIcould.Iperformedtoraisemoney

andsavedenoughtobuymyfirstpiano.

第2页(共25页)

WhenIleftPurcell,Iwasawardedtheseniorpianoprizeandsenioracademicmusic

prize.IamnowattheGuildhallSchoolinLondon.Ifeelproud：it'sbeen10yearssinceI(7)

mypaperpiano,andI'matoneoftheworld'sleadingmusicschools.

Thepaperpianohelpedsparkmy(8)abouthowmusicworks,thebuildingblocks

thatformthepieces.

(1)A.surpriseB.helpC.stopD.shame

(2)A.seriousB.pityC.poorD.caring

(3)A.failedB.begunC.changedD.sat

(4)A.bookB.pianoC.paperD.computer

(5)A.studiedB.playedC.thankedD.waited

(6)A.hardB.nervouslyC.politelyD.fast

(7)A.searchedB.borrowedC.boughtD.drew

(8)A.valueB.curiosityC.pride□.confidence

三、阅读理解(共36分)阅读下列短文，根据短文内容，从短文后各题所给的A、B、C、

D四个选项中，选择最佳选项。

14.(6分)Mountainsaremorethan500meterstallandit'snoteasyforplantstoliveonthem.The

windisstrong.Thesoilisthinandrocky.Whichplantscanlivethere?Comeandseesomeof

them.

Firsareevergreentrees.Theyalwayshavegreenleaves.Theirleaveslooklikeneedles.Firs

arelargetrees.Theycanbe20to80meterstall.Theirtrunkcanbe0.5to4meterswide.Inmany

countriesinEurope,peopleusefirsasChristmastrees.

第3页（共25页）

Cushionplantslooklikeasmallcushion(垫子).Theygrowtogetherandtheyarelessthan

30cmtall.Buttheycanbe3meterswide.Manyotherplantsliveunderthem.Cushionplants

keepthecoldaway.Theymakethesoilinsidesoftandwet.Inthisway，cushionplantshelp

otherplantssurvive.

Snowlotusesliveatelevationsrangingfrom2,400to4,000meters.Theclimatethereis

cold.Italwayssnowsandtheairisthin.Mostplantswilldie.Butthesnowlotusesgrow

well.Theycanbe15to35cmtall.Peopleusetheminmedicine.

Saxifragesareevergreen.Theyhavestar-shapedflowers.Mostsaxifragesareverysmall

—lessthan12cmtall.Theygrowveryslowlyincoldenvironments.Saxifragescanlivebothin

themountainsandinyourgarden,yettheyarenotresistant(耐受的)tohightemperatures.

(1)canbeusedinmedicine.

A.Firs

B.Cushionplants

C.Snowlotuses

D.Saxifrages

(2)Saxifragesare.

A.20to80cmtall

B.morethan30cmtall

C.15to35cmtall

第4页（共25页）

D.lessthan12cmtall

（3）Whatdoweknowaboutcushionplants?

A.Peopleplanttheminsoftandwetsoil.

B.PeopleusethemasChristmasdecoration.

C.Theycanprotecttheplantsunderthemfromthecold.

D.Theycanlivebothinthemountainsandinyourgarden.

15.（6分）

Whatcanyoudotohelpout?

Onewintermorning,TapiwaChiwewewasdrivingtoworkinJohannesburg,South

Africa.Henoticedahaze（薄雾）

Atthatmoment,Chiwewewantedtodosomethingaboutit,butdidn*tknowwhat.Hewas

acomputerengineerandknewlittleaboutenvironmentalscience.

Hefirstdidresearchonairpollutionandfoundthatitistheworld'sbiggestenvironmental

healthrisk.Hedecidedtoworkonitinacooperative（合作的）way.Hetalkedtoscientists,

officials,aswellasanideatoimproveit.

Throughyearsofwork,ChiweweandhiscoworkersfromSouthAfricaandChinacreated

anonlineairqualitydecisionsupportsystem.Basedonhistoricalandreal-timedata,the

systemcanaccuratelypredictairpollutionandairquality,aswellashelpofficialsbetter

managetheiroperations.

Chiwewelearnedanimportantlesson-"alessonweallneedtotakeintoheartifweareto

worktowardsabetterfuture.Evenifyou'renotanexpertinaparticularfield,youroutside

expertisemayholdthekeytosolvingproblemswithinthatfield,“hesaid.

WhatifChiwewehadn'tbotheredtoresearchtheproblemanddosomethingaboutit?

Whatifhehadjusthopedthatsomeone,somewhere,wastakingcareofthematter?

AsChiwewesaid,"Whynotjustgoaheadanddealwiththeproblemaswellasyoucan,

inyourownway?Youmaybepleasantlysurprised.n

（1）WhatmadeChiwewewanttotakeaction?

A.Hedidn'tknowwhatthecloudwas.

B.Henoticedairpollutionoverhiscity.

第5页（共25页）

C.Hedidn'twanttobeacomputerengineer.

D.Hewasanexpertinenvironmentalscience.

(2)InwhichorderdidChiwewesolvetheproblem?

a.Heaskedforexpert'ssuggestions.

b.Hecreatedasystemthatworksonline.

c.Hedidresearchontheproblem.

d.Heallowedotherstousethesystem.

A.cabd

B.abcd

C.cdab

D.adbc

(3)Whatisthepointofthelasttwoparagraphs?

A.Weshouldalwayscooperatewithothers.

B.Thereisalwayssomethingnewtolearn.

C.Expertsneedtodoresearchwhendealingwithproblems.

D.Takingactiononyourownisbetterthanwaitingforothers.

16.(6分)Givingpresentationsisachallenging,butimportantpartofeducation.Apresentation

isthekeytomakingyourmessageclear,whetheryouareinanintervieworgivingatalkin

frontoftheclass.Awell-preparedandpracticedpresentationcanimproveyourconfidence

dramatically.Onpresentationday

Practicethepresentation.Beforepresentation,itcanbehelpfultopracticeonyour

own.Whileyouarepracticingyourpresentation,doyourbesttoworkonmemorizingwhatyou

wanttosay

Controlyournerves.Thereareafewthingsyoucandobeforethepresentationtohelp

calmyournerves一manyofwhichyoucanevendorightatyourdesk.Trybreathingdeeply

silentlyrepeatingaffirmations(suchas"Icandothis.rmgoingtodoagreatjobu)；orusing

positivevisualization(imagineyourselfgivingyourpresentationsuccessfullyandknockingit

outofthepark).Thesestrategiescanhelpyousettleyournervesandgointoyourpresentation

feelingcalmandcollected.

Speakslowlyandenunciateclearly.Ifyouhavepracticedenough,thisshouldn'tbe

第6页(共25页)

difficult；however,youcanuseeachnewslideasachancetostopforafewsecondsand

recognizewhetheryouarespeakingslowlyandloudlyenoughforeveryonetohear.

Engagetheaudience.Whetheryou'vegotaone-on-onetalkoraspeechinfrontof400

people,think“storytelling'1.Sometimesallittakesisafewsecondstoconnectanaudience

memberwithastory,accordingtoEricEnglish,youwillbegivingtheimpressionthatyouare

relaxedandconfident.Don11forgettosmile!

(1)Ifyouwanttogetpeople'sattention,youshould.

A.preparenotecardswhilegivingpresentation

B.takeadeepbreathbeforeyourpresentation

C.makeeyecontactwithdifferentlisteners

□.considerspeakinginfrontofatrustedfriend

(2)Theexpression"knockingitoutofthepark"probablymeans"

A.relaxinginthepark

B.performingquitewell

C.enjoyingthepresentation

□.knockingtherocksinthepark

(3)Whatwouldbethebesttitleforthepassage?

A.Presentationisimportantforeducation.

B.Presentationisthekeytosucceed.

C.Howtogiveabetterpresentation.

D.Howtomakethepresentationclear.

底

17.(8分)Weoftenlearnthatmanypeople,especiallywomen,donrtlikethesunshine.Theyare

afraidofgettingsunburntandmakingtheirskindeep-colored.Butagrowingbodyof

scientificresearchsuggeststhatcompletelyavoidingsunlightisn'tsuchagood

idea.ResearchersatSweden'sKarolinskaInstitutesaythatavoidingthesuncanbeasbadfor

第7页（共25页）

youassmoking.Hereiswhyyoushouldsoakup（吸收）

Itpromotesbonegrowth."VitaminDisahormone（激素）thatpromotescalcium

absorptionandisnecessaryforbonegrowth,"tellsDr.Roizen.Sincesunlightisaprimary

sourceofVitaminD,“explainsDr.Roizen.AccordingtotheWorldHealthOrganization

（WHO）,gettinganywherefrom5to15minutesofsunlightonyourarms,andfacetwiceor

thriceaweekisenoughtogetthevitaminD.

Itisgoodforyourheart.Peoplearemorelikelytodieofheartdiseaseinwinterthanin

summer.AccordingtoresearchersfromCopenhagenUniversityHospitalthosewiththelowest

levelsofvitaminDare81%morelikelytodieofheartdiseasecomparedwiththosewiththe

highestlevelsofthevitamin.Sunexposurecuttheriskofheartattackandstrokebyreducing

bloodpressure,accordingtotheresearch.

Itmakesyoufeelhappier.nWealwaysfeelbetterwhenthesunisshining,butisnoton

rainyorcloudydays."saysEmmaDerbyshire,publichealthnutritionistandspokeswomanfor

HealthandFoodSupplementsInformationService.Thesunworksthroughanumberof

receptorsinthebraintoaffectourmentalstatus（精神状态）（血清素）levels,whichknown

asthehappinesshormone*.*'Atestfoundthatsafesunexposurecanactuallyhelptreat

depressive（抑郁的）,"saysEmma.

Inaddition,a2017studypublishedintheJournalofHumanResourcesfoundthat

studentswhogetmoresunlighteverydayperformbetterintests.Tosoakupmoderatesunlight

everydayisimportantforus.Butifyou'regoingtobeoutsideformorethan15minutes，itsa

goodideatoprotectyourskin.Youcandothatbyapplyingsunscreenorwearingaprotective

hatandshirtcanalsohelp.

（1）Accordingtothetext,womendislikethesunlightbecause.

A.theyareafraidofbeingsunburnt

B.thesunisbadforeyes

C.ifsmorelikelytohaveskincancer

D.theyfeelunhappy

（2）Accordingtothepassage,Dr.Roizenprobablyagrees.

A.sunlighthelpsimprovevitaminDlevelsinourbodies

第8页（共25页）

B.sunlighthelpsloweryourbloodpressurelevels

C.sunlightcanproducehappyhormone

D.sunlightcanbebadforusassmoking

(3)Whatcanwelearnfromthepassage?

A.Themorewesoakupthesunshine,thebetter.

B.Sunlightdecreasestheriskofdepression.

C.Peoplefeelbetterinrainyorcloudydays.

D.Sunlighthelpsstudentsgetgoodgradesintest.

(4)Whatisthewriter'smainpurposeinwritingthispassage?

A.Todiscussourproblemsofavoidingsunlight.

B.Tointroducesomewaysofenjoyingthesunlight.

C.Toexplainwhysunlightisgoodforus.

D.Toshareresearchers*ideasonsunlight.

四、阅读短文，根据其内容回答问题。

18.(10分)Studyacalendar.ltlookssimpleandorderly.Butacalendarismoreofamathematical

puzzlethanyoumightguess.Thecalendarweusetodayhasgonethroughcenturiesofchanges.

Formillennia,peoplewatchedtheseasons,sun,andstarstohelpthemkeeptrackoftime

passing.AncientpeopledidnotknowthatEarthorbits(沿轨道运彳亍)thesunaboutevery

365.25days.Theytriedtotracktheyearbycountingthefullmoons.Eachyearhad12full

moons.Twelvemoons,madeonelunaryear.

CalendarsinBabylonusedalunaryear.Twelvemonthsaddeduptoonly354days.That

madethelunaryear11daystooshort.Asyearswentby,themonthsandtheseasonsnolonger

matchedup.

PeopleinancientEgyptcameupwithasolarcalendarof365days.Theyobservedthat

Sirius,theDogStar,appearedneartherisingsunevery365days.Soonafterthat,becauseit

broughtgoodthings.Therichsoilleftbyfloodwaterswasgoodforplanting.

TheancientRomansusedacalendarof10months.BecauseaRomanyearwasonly304

第9页（共25页）

days,itseemedtoalwaysbeoutofstepwiththeseasons.Holidaysshowedupatthewrong

timeofyear.

ARomanrulernamedJuliusCaesarorderedachange.Hecreatedacalendarwith12

months,each30or31dayslong.Headdedanextradayeveryfouryearstokeepthingson

track.Thiscalendarwasusedformorethanamillennium.Butbytheendofthe16thcentury,it

wastendaysoutofstep.

PopeGregoryXIIIcreatedtoday'scalendarin1582.Hesetnewmathematicalrulesfor

keepingthecalendarinstepwiththeseasons.Today,theGregoriancalendarisusedalmost

everywhereintheworld.

(1)HowlongdoestheEarthorbitthesun?

(2)WhydidpeopleinancientEgyptlookforwardtothefloodingoftheNile?

(3)Whocreatedacalendarwith12monthsinancientRomans?

(4)Whenwastoday'scalendarcreated?

(5)Whatisthepassagemainlyabout?

五、文段表达（10分）

19.（10分）根据中文和英文提示，用英文写一封意思连贯、符合逻辑、不少于50词的文

段。文中已给出内容不计入总词数。所给提示词语仅供选用。请不要写出你的校名和姓

名。

世界在发展，文化在交融，英语已经成为人们沟通的桥梁。怎样学好英语是我们一直在

探索的问题。某英文报纸正在开展以“英语学习”为主题的征文活动。几年的学习经历你

一定积累了许多成功的经验，请你用英语写一篇短文投稿，请从听、说、读、写四方面

谈谈你在英语学习中是怎么做的

提示词语：listen,speak,read,teacher,improve

提示问题：

•Whatdoyoudo?

第10页（共25页）

•Howdoyoufeel?

第11页（共25页）

2020-2021学年北京市延庆区九年级（上）期中英语试卷

参考答案与试题解析

一、单项填空（共6分，每小题06分）从下面各题所给的A、B、C、D四个选项中，选

择可以填入空白处的最佳选项。

1.（.5分）Lastweek,thetwinschoseadressformotherasabirthdaygift.（）

A.herB.themC.theirD.his

【解答】形容词性物主代词后需要接名词。根据空后的名词mother可知，twins为可数名

词复数形式，所以此处使用they的形容词性物主代词。

故选：Co

2.（.5分）StanLee,thefatherofMarvelComic,passedawayNov.l2h,2018.（）

A.onB.atC.inD.over

【解答】at用于具体的时刻前面；on用于具体的某一天或具体某一天的上午；in用在年、

月；over超过山，2018”2018年11月12日”可知，在具体某一天用介词on。

故选：Ao

3.（.5分）Sorry,Imustgotothelibrary.Lilyformethere.（）

A.waitedB.iswaiting

C.waitsD.waswaiting

【解答】根据语境可以判断此时此刻莉莉正在等我，故需要使用现在进行时，因为主语

为Lilyo

故选：Bo

4.（.5分）WilliamShakespeareisoneofwritersintheworld.（）

A.famousB.morefamous

C.mostfamousD.themostfamous

【解答】根据最高级的结构”oneofthe+形容词的最高级+名词复数”可知，此处需要使用

形容词的最高级形式，最高级前需加the。

故选：D。

5.（.5分）一yougotocinemawithmethisSaturday?

—Sorry,Ican't.ThisSaturdayismymother'sbirthday.（）

第12页（共25页）

A.MayB.CanC.MustD.Need

【解答】A表示可能、可以、可以、必须。根据题干中Sorry,I,此处表示请求，符合

题意。

故选：Bo

6.(.5分)Washyourhandsbeforemeals,youmaygetill.()

A.andB.butC.orD.so

【解答】A表示和，B表示但是、否则.根据题干可知吃饭前洗手，应用连词。r.

故选：C.

7.(.5分)--willthetalkshowstart?

--Itwillstartat8：00.()

A.WhenB.WhyC.HowD.Where

【解答】why为什么；why为什么；how怎么样at,可知。

故选：Ao

8.(.5分)--Whatwereyoudoingthistimeyesterday?

--Itheclassroom.()

A・havecleanedB.wascleaning

C.cleanedD.clean

【解答】根据句中thistime,过去进行时结构是was/weredoing,故答案为was。

故选：Bo

9.(.5分)Iplayingthispieceofmusicfortwomonths,soIplayitbetter.()

A.practiceB.practiced

C.willpracticeD.havepracticed

【解答】从fortwo,构成have/has+动词的过去分词。

故选：Do

10.(.5分)Myfatheroftentothegymwithmethoughhehaslotsofworktodo.()

A.wentB.hasgoneC.goesD.willgo

【解答】often用于一般现在时，主语My是单数形式。

故选：Co

11.(.5分)The24thwinterOlympicGamesinBeijingandZhangjiakouin2022.()

A.holdsB.isheld

第13页（共25页）

C.willholdD.willbeheld

【解答】根据句意可知，第24届冬奥会将在北京和张家口举行，结构为bedone2022为

一般将来时的时间状语。

故选：D。

12.(.5分)--CanyoutellmenextSunday?

--Bytrain.()

A.howwewillgotoShanghai

B.howdidwegotoShanghai

C.howwewenttoShanghai

D.howwillwegotoShanghai

【解答】宾语从句使用陈述句语序，B和D为疑问句语序；宾语从句主句为一般现在时，

根据句中“Can”和“next,主句此时为一般过去时。

故选：Ao

二、完形填空阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个

选项中，选择最佳选项。

13.(8分)

Frompapertopiano

Iwas11yearsoldwhenIaskedmymomforpianolessonsin2010.Wewerepoocsoshe

saidapolite"no".

Thatdidn't(1)Cme.IGoogledthemeasurementsforakeyboard,drewthekeyson

apieceofpaperandstuckitonmydesk.Iwouldclicknotesonanonlinekeyboardand"play"

thembackonmypaperone-keepingthesoundtheymadeonthecomputerinmyhead.Ispent

sixmonthsplayingwithouttouchingarealpiano.OncemymomsawthatIwas(2)A,

sheborrowedmoneyandboughtme10lessons.

Istillrememberthefirstone.Iwasstruckbyhowrealthesoundofthepianowas.K3)_D

mygradeoneaftereightlessons.OnceIstartedsecondaryschool,wecouldn'taffordlessons

again.Ipassedgradethree,thengradefive(4)C.

Oneevening,whenIwasabout13,mymomsaidshehadasurpriseforme(5)for

her.Shewasinshock.

Myschooldidn'toffermusicA-level.IfoundthePurcellSchoolforyoungmusicians,

第14页(共25页)

butthetryouts(选拔)weredifficult.Tomyamazement

AtPurcell,Ispenttwoyearsworkingas(6)AasIcould.Iperformedtoraisemoney

andsavedenoughtobuymyfirstpiano.

WhenIleftPurcell,Iwasawardedtheseniorpianoprizeandsenioracademicmusic

prize.IamnowattheGuildhallSchoolinLondon.Ifeelproud：it*sbeen10yearssinceI(7)

D_mypaperpiano,andI'matoneoftheworld'sleadingmusicschools.

Thepaperpianohelpedsparkmy(8)abouthowmusicworks,thebuildingblocks

thatformthepieces.

(1)A.surpriseB.helpC.stopD.shame

(2)A.seriousB.pityC.poorD.caring

(3)A.failedB.begunC.changedD.sat

(4)A.bookB.pianoC.paperD.computer

(5)A.studiedB.playedC.thankedD.waited

(6)A.hardB.nervouslyC.politelyD.fast

(7)A.searchedB.borrowedC.boughtD.drew

(8)A.valueB.curiosityC.pride□.confidence

【解答】（1）C动词辨析。A使惊奇，C停止；使蒙受耻辱，根据上文Wepoorshea

polite,所以她礼貌地说‘不"，但没给买Googledmeasurementsakeyboardtheona

ofanditmy,在一张纸上画了键。可知没有阻止作者弹钢琴的想法。

（2）A形容词辨析。A认真的，C贫穷的，根据上文我们很穷。及我在谷歌上搜索了键

盘的尺寸，然后把它贴在桌子上，所以她借钱给我买了10节课。

（3）D动词辨析。A失败，C改变，根据后面I（3）myoneeight,故答案是D。

（4）C名词辨析。A书，C纸，根据上文我在谷歌上搜索了键盘的尺寸，然后把它贴在

桌子上，故答案是C。

第15页（共25页）

（5）B动词辨析。A学习，C感谢，根据上文One,whenIabout,mysaidhada

for；itankeyboardwithborrowed,我13岁左右，那是一个用借来的钱买的电子

键盘，她很震惊。

（6）A副词辨析。A努力地，C礼貌地，根据后面Itomoneysavedtomypiano.

我表演是为了筹集资金。可知应该是尽可能地努力工作。

（7）D动词辨析。A搜索，C买，根据上文我在谷歌上搜索了键盘的尺寸，然后把它贴

在桌子上，故答案是D。

（8）B名词辨析。A价值，C骄傲，根据上文作者的故事，它是构成乐曲的基石。

三、阅读理解（共36分）阅读下列短文，根据短文内容，从短文后各题所给的A、B、C、

D四个选项中，选择最佳选项。

14.（6分）Mountainsaremorethan500meterstallandit'snoteasyforplantstoliveonthem.The

windisstrong.Thesoilisthinandrocky.Whichplantscanlivethere?Comeandseesomeof

them.

Firsareevergreentrees.Theyalwayshavegreenleaves.Theirleaveslooklikeneedles.Firs

arelargetrees.Theycanbe20to80meterstall.Theirtrunkcanbe0.5to4meterswide.Inmany

countriesinEurope,peopleusefirsasChristmastrees.

Cushionplantslooklikeasmallcushion（垫子）.Theygrowtogetherandtheyarelessthan

30cmtall.Buttheycanbe3meterswide.Manyotherplantsliveunderthem.Cushionplants

keepthecoldaway.Theymakethesoilinsidesoftandwet.Inthisway,cushionplantshelp

otherplantssurvive.

第16页（共25页）

Snowlotusesliveatelevationsrangingfrom2,400to4,000meters.Theclimatethereis

cold.Italwayssnowsandtheairisthin.Mostplantswilldie.Butthesnowlotusesgrow

well.Theycanbe15to35cmtall.Peopleusetheminmedicine.

Saxifragesareevergreen.Theyhavestar-shapedflowers.Mostsaxifragesareverysmall

—lessthan12cmtall.Theygrowveryslowlyincoldenvironments.Saxifragescanlivebothin

themountainsandinyourgarden,yettheyarenotresistant(耐受的)tohightemperatures.

(1)Ccanbeusedinmedicine.

A.Firs

B.Cushionplants

C.Snowlotuses

0.Saxifrages

(2)SaxifragesareD.

A.20to80cmtall

B.morethan30cmtall

C.15to35cmtall

D.lessthan12cmtall

(3)Whatdoweknowaboutcushionplants?C

A.Peopleplanttheminsoftandwetsoil.

B.PeopleusethemasChristmasdecoration.

C.Theycanprotecttheplantsunderthemfromthecold.

D.Theycanlivebothinthemountainsandinyourgarden.

【解答】(1)C.细节理解题。根据Snowusein。可知。故选C。

(2)D.细节理解题。根据Mostaresmall—less12tall.大多数虎耳草非常小。可知。

故选D。

(3)C.细节理解题。根据Cushionkeepcold。可知。故选C。

15.(6分)

第17页（共25页）

Whatcanyoudotohelpout?

Onewintermorning,TapiwaChiwewewasdrivingtoworkinJohannesburg,South

Africa.Henoticedahaze（薄雾）

Atthatmoment,Chiwewewantedtodosomethingaboutit,butdidn'tknowwhat.Hewas

acomputerengineerandknewlittleaboutenvironmentalscience.

Hefirstdidresearchonairpollutionandfoundthatitistheworld'sbiggestenvironmental

healthrisk.Hedecidedtoworkonitinacooperative（合作的）way.Hetalkedtoscientists,

officials,aswellasanideatoimproveit.

Throughyearsofwork,ChiweweandhiscoworkersfromSouthAfricaandChinacreated

anonlineairqualitydecisionsupportsystem.Basedonhistoricalandreal-timedata,the

systemcanaccuratelypredictairpollutionandairquality,aswellashelpofficialsbetter

managetheiroperations.

Chiwewelearnedanimportantlesson-nalessonweallneedtotakeintoheartifwearet