广东省广州市初二英语下册期末模拟考Word格式.docx
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3.A.HowB.WhatC.HowaD.Whata
4.A.alsoB.tooC.eitherD.aswellas
5.A.sayB.hassaidC.saidD.says
6.A.forB.ofC.toD.at
7.A.sogreatchanceB.soagreatchance
C.suchgreatchanceD.suchagreatchance
8.A.writeB.wroteC.arewrittenD.werewriting
9.A.readB.toreadC.readingD.toreading
10.A.BeforeB.WhenC.UntilD.Where
11.A.oneB.onceC.firstD.thefirst
12.A.TheyB.ThemC.TheirD.Theirs
13.A.aB.anC.theD.\
14.A.AndB.OrC.ButD.So
15.A.howB.whatC.whetherD.why
二、完形填空(共10题,每小题1.5分满分15分)
从下面各题给出的四个答案中,选出最佳答案
Mr.andMrs.Kinghavelivedinourtownfornearlytwentyyears.Theyhaveabookshopbythebusstation.They'
repolitetoeveryoneandhavealotoffriends.Theyoften16thepoorstudentsandsellthemsomebookscheaply.Sothere'
remanyyoungmenintheirshop.Ofcoursepeople17themandtheirfriendsoftencallon(拜访)themand18them.Wecanalwaysheartheirroomsarefullof19.
ItwasaFridayevening.Mr.andMrs.Kingweregoingtohaveapicnicontheislandthenextmorning.Itwasalittlefarfromourtown.Sotheyhadto20earlierthanusualtocatchasixo'
clocktrain.After21afewfriendscametoseethemwhiletheywerecookingsomefoodanddrinksforthepicnic.Mr.Kingandhiswifehadtostoptoreceivethem.Theytalkedalotandfewofthemlookedattheclockonthewall.Itwaslate.MrandMrsKingwereanxious(焦急的)buttheycouldn'
ttellthevisitorsaboutit.MrsKingthoughtforafew22andhadanidea.Shesaidtoher23,"
Oh,it'
seleveno'
clock!
You'
dbetterstoptalking,dear!
Ourguestsareanxiousto24!
"
MrKingheardthisandstoodup,thenhesaid25tothevisitorsandtheyleftsoon
16.A.helpB.hurtC.hitD.watch
17.A.knowB.understandC.meetD.like
18.A.playwithB.fightwith
C.talkwithD.catchupwith
19.A.cryB.shoutC.noiseD.laugh
20.A.gotoworkB.getup
C.gotosleepD.opentheshop
21.A.breakfastB.lunchC.supperD.meal
22.A.minutesB.daysC.weeksD.months
23.A.visitorB.husbandC.brotherD.father
24.A.gohomeB.gotobed
C.goshoppingD.havearest
25.A.helloB.goodbyeC.sorryD.nothing
三、阅读理解
第一节(共10题,每小题2分,共计30分)
A
Theworld'
soceansareslowlygettingmoreacidic,”sayscientists.TheresearchersfromCaliforniareportthatthechangeistakingplaceinresponsetohigherlevelsofcarbondioxideintheatmosphere.
Theloweringofthewaters’PHvalueisnotgreatatthemomentbutcouldcauseaseriousthreattocurrentoceanlifeifitcontinues,theywarn.KenCaldeiraandMichaelWickett,fromtheLawrenceLivermoreNationalLaboratory,reporttheirconcernsinthejournalNature.
Increasinguseofoilfuelsmeansmorecarbondioxideisgoingintotheair,andmostofitwilleventuallybeabsorbedbyseawater.Onceinthewater,itreactstoformcarbonicacid.Scientistsbelievethattheoceanshavealreadybecomeslightlymoreacidicoverthelastcentury.
Theseresearchershavetriedtopredictwhatwillhappeninthefuturebycombiningwhatweknowaboutthehistoryoftheoceanswithcomputermodelsofclimatechange."
ThislevelofaciditywillgetmuchmoreextremeinthefutureifwecontinuereleasingCO2intotheatmosphere,"
saidDrCaldeira."
Andwepredicttheamountoffutureaciditywillexceedanythingwehaveseenoverthelastseveralhundredmillionyears,letaloneperhapsafterraredisasterssuchasasteroidimpacts.”
However,itisnotabsolutelyclearwhatthatmeansforoceanlife.Mostorganismslivenearthesurface,wherethegreatestPHchangewouldbeexpectedtooccur,butdeep-oceanlifeformsmaybemoresensitivetoPHchanges.Coralreefs(珊瑚礁)andotherorganismswhoseshellscontaincalciumcarbonatemaybeparticularlyaffectedifthewater'
saciditylevelskeepgoingup,theteampredict.TheycouldfinditmuchmoredifficulttobuildthesestructuresinwaterwithalowerPH.
Inrecentyearssomepeoplehavesuggestedstoringcarbondioxidefrompowerstationsinthedeepoceanasawayofdealingwithglobalwarming.ButDrCaldeirasaidthatsuchastrategyshouldnowbere-considered."
Previously,mostexpertshadlookedatoceanabsorptionofcarbondioxideasagoodthing-becauseinreleasingCO2intotheatmospherewewarmtheplanet,andwhenCO2,isabsorbedbytheocean,itreducestheamountofgreenhousewarming.”
26.Theoceanisbecomingmoreacidicdueto___________.
A.thelowerwaterPHvalue
B.thewarmingatmosphere
C.thehigherlevelofCO2intheair
D.theincreasinguseofoilfuel
27.AccordingtoDrCaldeira,__________.
A.oceanabsorptionofcarbondioxideisagoodthing
B.moreoilfuelswillbeusedinthenearfuture
C.scientistsmaypredictclimatechangeswithcomputermodels
D.thefuturesituationoftheamountofacidityisextremelyserious
28.Ifthewater'
saciditylevelkeepsrising,_________.
A.oceanlifewhosestructurescontaincalciumcarbonatemaybeaffected
B.thewaters’PHvaluewillbecomehigherandhigher
C.organismslivingnearthesurfacearemoresensitivetoPHchanges
D.somedisasterswilloccurmoreoftenthanbefore
29.Whatdoestheunderlinedword“acidic”probablymean?
A.污染的B.酸的C.复杂的D.温暖的
30.Thepurposeofthispassageisto_________.
A.showpeoplethefindingsofaresearchteam
B.informpeopleofhowacidtheoceanisnow
C.introduceDrCaldeiraandhisteam'
sresearch
D.warnpeopleofthehigheraciditylevelinthesea
B
Therearealotoffunandeducationalthingstodoonthewebforkids.Therearealsoalotofpeopleandwebsites,soyouneedtobecareful.Herearesomethingstoremember:
Nevergiveoutyourfullname,address,phonenumber,schoolnameandaddressoranyotherpersonalinformationwithoutyourparents’permission.
Ifsomeonesendsyousomethingimpoliteorthatmakesyouuncomfortable,letyourparentsorteachersknow.Neveranswerityourself.
Neveragreetomeetsomeoneyou’vemetonthenetwithoutyourparents’permission.
Donotclickonanylinks(链接)thatareine-mailsfromanyoneyoudon’tknow.Suchlinkscouldleadtowrongwebsites.
Neversendapersonyourpicture(oranythingelse)withoutyourparents’permission.
DonotgiveoutyourInternetpasswordtoanyone,evenbestfriends.
Checkwithyourparentsbeforedownloadingprogramstoyourcomputer.
Followtherulesthatyourparentshavemadeaboutyouruseofthenetandyourbehavior.
TreatothersontheInternetthewayyouwanttobetreated!
Theyarepeople,notcomputers!
31.WhenyousurftheInternet,mostthingonthewebshouldbedecidedby.
A.yourselfB.yourparentsC.yourcomputerD.yourteachers
32.IfJohnclicksonalinkinastrangee-mail,hemay.
A.makesomenewfriends
B.getasurprisinggift
C.meetsomeads
D.entersomewrongwebsites
33.Johnusespolitewordstochatwithhisnetfriends,hewillprobably.
A.bethoughtasafool
B.betreatedpolitely,too
C.hearsomethingimpolite
D.getnothinginteresting
34.Theunderlineword“download”means.
A.下载B.编制C.上传D.创造
35.Thebesttitleofthisarticleis.
A.SafeUsingComputerforKids
B.HowtoDownloadPrograms
C.SafeSurfingRulesforKids
D.HowtoSurftheNet
C
Afterexplainingwheremynewhousewas,ItoldhimthatIhadleftthekeyunderthedoormat.SinceIknewitwouldbequitelatebeforeIcouldgetback,Isuggestedthathemakehimselfathomeandhelphimselftoanythingthatwaskeptintherefrigerator(冰箱).
Twohourslatermyfriendphonedmefromthehouse.Atthemoment,hesaid,hewaslisteningtosomeofmyrecordsafterhavinghadanicemeal.Hehadfoundthepanandmeatintherefrigerator.Now,hewasdrinkingacupofteaandhopedthatIwouldjoinhimsoon.WhenIaskedhimifhehadanydifficultyfindingthehouse,heansweredthattheonlyproblemwasthathehadnotbeenabletofindthekeyunderthedoormat,butluckily,thelivingroomwindowbytheappletreehadbeenleftopenandhehadclimbedinthroughthewindow.Ilistenedtoallthisingreatsurprise.Thereisnoappletreeoutsidemywindow,butthereisonebythelivingroomwindowofmynext-doorneighbor'
shouse!
36.Whenmyfriendarrived,Icouldnotgotomeethimbecause_____.
A.wewerenotgoodfriends
B.Iwasbusyatwork
C.hehadnottoldmethathewouldcome
D.Ididnotwant