第第第第高二年級(jí)課堂練習(xí)姓名班級(jí)學(xué)號(hào)第27期AIstherealinkbetweenhumansandclimatechangeornot?Thisquestionwasfirststudiedintheearly1900s.Sincethen,manyscientistshavethoughtthatouractionsdomakeadifference.In1997,theKyotoProtocolexplainedourroleintheEarth’schangingatmosphereandsetinternationallimitsforgasemissions(排放)from2008to2012.Somecountrieshavedecidedtocontinuethesereductionsuntil2020.Morerecently,theParisAgreementalsoaimstolimitglobalwarming.Butjustnowhowmuchwarmeritwillgetdependsonhowdeeplycountriescutcarbonemissions.3.5℃Thisishowmuchtemperatureswouldriseby2100evenifnationsliveuptotheoriginalParispromisestoreducecarbonemissions;thisrisecouldstillputcoastalcitiesunderwateranddriveoverhalfofallspeciestoextinction.2℃Tomeetthisminimumgoal,theAgreementrequirescountriestotighten(緊縮)emissionsaimseveryfiveyears.Eventhisincreasecouldsinksomeislands,worsedroughtanddriveadecreaseofathirdinthenumberofspecies.1.5℃ThisisthemostchallenginggoalfortemperaturerisesetbytheParisAgreement,afterapushbylowlyingislandnationslikeKiribati,whichsaylimitingtemperatureriseto1.5℃couldsavethemfromsinking.0.8℃Thisishowmuchtemperatureshaverisensincetheindustrialagebegan,puttingus40%ofthewaytothe2℃point.0℃Thebaselinehereisaverageglobaltemperaturebeforethestartoftheindustrialage.21.Itcanbeconcludedfromparagraph1that_______.A.theproblemofglobalwarmingwillhavebeensolvedby2020B.gasemissionshavebeeneffectivelyreducedindevelopedcountriesC.theParisAgreementsismoreeffectivethantheKyotoProtocolD.humanshavemadecontinuouseffortstoslowdownglobalwarming22.IfnationscouldonlykeeptheoriginalpromisesoftheParisAgreement,whatwouldhappenby2100?A.Thehumanpopulationwouldincreasebyonethird.B.Littleover50%ofallspecieswouldstillexist.C.Nationswouldnotneedtotightentheiremissionsaims.D.TheAgreement’sminimumgoalwouldnotbereached.23.Ifthoseislandnationsnotfarabovesealevelaretosurvive,themaximumtemperaturerise,sincethestartoftheindustrialage,shouldbe_______.A.0.8℃B.1.5℃C.2℃D.3.5℃BCandogsandcatsliveinperfectharmonyinthesamehome?Peoplewhoarethinkingaboutkeepingadogasafriendfortheircatsareworriedthattheywillfight.Arecentresearchhasfoundanewrecipeofsuccess.Accordingtothestudy,ifthecatisadoptedbeforethedog,andiftheyareintroducedwhenstillyoung(lessthan6monthsforcats,ayearfordogs),itishighlyprobablethatthetwopetswillgetalongwell.Twothirdsofthehomesinterviewedreportedapositiverelationshipbetweentheircatanddog.However,itwasn’tallsweetnessandlight.Therewasareportedcoldnessbetweenthecatanddogin25%ofthehomes,whileattackandfightingwereobservedin10%ofthehomes.Onereasonforthisisprobablythatsomeoftheirbodysignalswerejustopposite.Forexample,whenacatturnsitsheadawayitsignalsattack,whileadogdoingthesamesignalsofgivingin.Inhomeswithcatsanddogslivingpeacefully,researchersobservedasurprisingbehavior.Theyarelearninghowtotalkeachother’slanguage.Itisasurprisethatcatscanlearnhowtotalk‘dog’,anddogscanlearnhowtotalk‘cat’.What’sinterestingisthatbothcatsanddogshaveappearedtodeveloptheirintelligence.Theycanlearnhowtoreadeachother’sbodysignals,suggestingthatthetwomayhavemoreinmonthanwepreviouslysuspected.Oncefamiliarwitheachother’spresenceandbodylanguage,catsanddogscanplaytogether,greeteachothernosetonose,andenjoysleepingtogetheronthesofa.Theycaneasilysharethesamewaterbowlandinsomecasesgroom(梳理)eachother.Thesignificanceoftheresearchoncatsanddogsmaygobeyondpetstopeoplewhodon’tgetalong,includingneighbors,colleaguesatwork,andevenworldsuperpowers.Ifcatsanddogscanlearntogetalong,surelypeoplehaveagoodchance.24.Whatisthepassagemainlyabout?A.Howcatsanddogsdeveloptheirintelligence.B.Whethercatsanddogscanliveinharmony.C.Whatcatsanddogshaveinmon.D.Whycatsanddogscanunderstandeachother.25.Somecatsanddogsmayfightwhen______.A.theyarecoldtoeachother B.theylookawayfromeachotherD.theytheyareintroducedatanearlyage D.theymisunderstoodeachother’ssignals26.ItissuggestedinPara.4thatcatsanddogs______.A.havemoninterests B.haveamonbodylanguageC.arelessdifferentthanwethought D.arelessintelligentthanweexpected27.Whatcanwehumanbeingslearnfromcatsanddogs?A.Weshouldlearntoliveinharmony.B.Weshouldknowmoreaboutanimals.C.Weshouldliveinpeacewithanimals.D.Weshouldlearnmorebodylanguages.CElementary...y20yearsasateacher,summervacationwasmytimetorelax.SowhywasIstandingintheschoolyardofanunfamiliarschool,wearingmyselfoutforasummerteachingjob?Theextrapaycheckswerenice,butIlackedtheenergyofmyyoungercolleagues.LikeStella.Shewasinherearlytwenties,andmadekeepingupwiththekidslookeffortless.Sheremindedmeofmyself,backwhenIwasanenthusiasticstudentteacheratRamonaElementary...I’dneverforgetmyfirstday.Iwastoofullofenergy.Nervousenergy.Myteacherwhoinstructedmewaswatching,andIwantedtomakeagoodimpression.Iaskedmythirdgraderstotakeouttheircrayonsfortheday’slesson.Allofthemobeyedapartfromone.Agirlwithtwolong,darkbraids(辮子).EveryonecalledherEstrellita,or“l(fā)ittlestar.”Whywassheunpreparedforclass?Idemandedtoknow.“Mysisterhasmycrayons,”shesaid.“Youshouldeachhaveyourowncrayons,”Itoldher.“That’snoexcuse.”“Thereare10childreninmyfamily,”Estrellitasaidquietly,herbigbrowneyesneverleavingmyface.“Wehavetotaketurns.”Iwastakenaback.I’dpletelymisjudgedthesituation.AlldayEstrellita’swordsplayedonmymind.ThenextmorningIboughtapackofcrayonstoleaveonEstrellita’sdesk.Shewassohappy!Thatexperiencetaughtmeanimportantlesson.Everystudenthaduniquechallenges—itwasmyresponsibilitytohelpmystudentsoverethem,whichusedtoinspireme.Restwasalmostover.Stellaturnedtomeandwestartedchatting.“Howlonghaveyoubeenteaching?”sheasked.ItoldherI’dstartedtwentyyearsbefore,atRamonaElementary.“Iwenttoschooltheretwentyyearsago!”Stellasaid.Ilookedatheragain,thistimereallyseeingher.Thosebigbrowneyes.Thatlong,darkhair...“Didyouusetohavetwolongbraids?”Isaid.“WecalledyouEstrellita…“Stellashouted.“You!Yougavemethecrayons!”She’dbeeateacher.TohelpstudentsasIdid.Evendoingsomethingsmallthatmattered.Thatsummer,Ithrewmyselfintoteachingwitharenewedsenseofpurpose.Estrellitahadtaughtmealessononceagain.28.HowdidtheauthorfeelaccordingtoParagraph1?A.Shefeltrelaxed. B.Shefeltverytired.C.Shewasstillexcited. D.Shewasproudofherself.29.Whydidn’tEstrellitatakeouthercrayons?A.Shehadtosharethem. B.Shewasnaughty.C.Sheforgottobringthem. D.Shelostthembeforetheclass.30.Whichcanreplacetheunderlinedpart“takenaback”inParagraph6?A.fairlyterrified. B.quitepleased.C.verysurprised. D.extremelyangry.31.WhatdidtheauthorlearnthroughStella?A.Nevermakeexcuses. B.Whyherjobmattered.C.Howtobeagoodteacher. D.Tobeagiver,notareceiver.DWhenitestomedicalcare,manypatientsanddoctorsbelieve“moreisbetter.”Butwhattheydonotrealizeisthatovertreatment—toomanyscans,toomanybloodtests,toomanyprocedures—maybringharm.Sometimesatestleadsyoudownapathtomoreandmoretesting,someofwhichmaybeattacking,ortotreatmentforthingsthatshouldbeleftout.TerrencePower,forexample,plainedthatafterhiswifelearnedshehadWegener’sdisease,anunmondisorderoftheimmunesystem(免疫系統(tǒng)),theyfounditdifficulttorefusetestingremendedbyherdoctor.Thedoctorinsistedonofficevisitseverythreeweeks,evenwhenshewasfeelingwell.HefrequentlyorderedbloodtestsandXrays,andrepeatedlyreferredhertoexpertsforevenminorplaints.Evenwhentestscamebacknegative,morewereordered,andshewashospitalizedaspreventionwhenshedevelopedacold.Shehadasmanyas25doctorvisitsduringonesixmonthperiod.Thecouplewasspendingabout$30,000ayearforhercare.Afterseveralyearsofphysicalsufferingandnearfinancialruinfromthemedicalcosts,thecouplebeganquestioningthetreatmentafterdiscussingwithotherpatientsinonlinesupportgroups.“It’sareallyhardthingtodeterminewhendoctorshavecrossedtheline,”Mr.Powersaid.“Youthinkshe’sgettingthebestcareintheworld,butafterawhileyoustarttowonder:Whatisthepurpose?”Mr.Powerthenspokewithhisownprimarycaredoctor,whoadvisedhimtofindanewexperttooverseeMrs.Power’scare.Underthenewdoctor’scare,theregulartestingstoppedandMrs.Power’sconditionwasstable.Nowsheseesthedoctoronlyfourorfivetimesayear.32.Whatisthemainideaofthispassage?A.Treatmentsdonotalwayscauseharmfulsideeffects.B.Patientstendtobelievemoretestingisbettertreatment.C.Toomuchmedicalcaremaynotbebeneficialtopatients.D.Doctorsgenerallyremendofficevisitsthatarenecessary.33.WhichofthefollowingwasaproblemforMrs.Powerduringhermedicaltreatment?A.Shehadtobehospitalizedforthreeweekswhenevershehadacold.B.Whentestresultsshowedshewasfine,herdoctorstillorderedmoretests.C.Shedidnothaveanyinsurance,soshebecamepenniless.D.Herdoctoraskedhertoconsultotherexpertsforherplaints.34.Whodoes“develop”inthesecondparagraphprobablymean?A.construct B.improve C.catch D.attack35.WhendidthePowersstarttodoubtMrs.Power’streatment?A.Afterknowingaboutotherpatients’treatment. B.Afteranalyzingtheresultsofherbloodtests.C.AftercuringMrspowerofherillness. D.Afterthenewexpert’stesting（共5小題；每小題2分，滿分10分）FalseFearofBigFishManypeoplebelievesharksaredangerousandwillalwaystrytohurtorevenkillhumans.36.AsharkexhibitionattheNationalAquariuminBaltimore,USA.provesthis.Visitorscantouchyoungsharks,seetheireggsdevelopandwatchadozendifferentspeciesswimsmoothlyaroundahugetank．Mostpeoplefailtorealizethatsharkattacksdonothappenveryoften.Humansaremorelikelytobekilledbylightningthanbyashark.37.Therekidscanlearn,fromanearlyage,nottofearsharks．“Peoplefearwhattheydon’tknow,”saidNancyHotchkiss,anorganizeroftheexhibition.“Sharkshavebeenaroundfor400millionyearsandplayanimportantroleintheocean’sfoodchain.Wewantpeopletodiscoverthatsharksareamazinganimalsthatneedourrespectandprotection.”38.Astudy,publishedinJanuaryintheUSmagazine,Science,foundthatalmostallrecordedsharkspecieshavefallenbyhalfinthepast8to15years．ThousandsofsharksarehuntedinAsiaforspecialfoods,andmanyothersgetcaughtinnets,whilefishermenarehuntingotherfish.39“Somefishingmethodsareactuallycleaningouttheoceanforsharks，”saidDaveSchofield,themanageroftheaquarium’soceanhealthprogram.40A.Theycanwatchthemdevelopinsidetheireggsandfeeltheskinoftheolderswimmers.B.Infact,94percentoftheworld’s400speciesareharmlesstohumansC.Itisaworryingsituationbutsomeareashaveputmeasuresinplacetoprotectthesespecialfish．D.About100millionsharksarekilledeveryyeararoundtheworldbyhumans．E.Andtomakethispointclear,themuseumhassetupaspecialtouchingpoolforchildren．F.Sharkscansmellandtasteblood,andtraceitbacktoitssource.G.Morethanhalfofthesharkscaughtaresmallerthanonemeterlong．第一節(jié)完形填空（共20小題；每小題1.5分，滿分30分）I’vealwayshadstrongopinionsofhowloveshouldbeexpressed,butothershavetheirownwaysofshowingcare.WhatI41mostaboutvisitingmyboyfriend’sparentsistheloudtickoftheclockinthediningroomaswe42ateourmeal．WithsolittleconversationIwasquicktoregardhisfamilyas43．Whenwegotintothecartogohome,hisfathersuddenlyappeared．44,hebegantowashhisson’swindscreen．Icouldfeelheisa45manthroughtheglass.Ilearnedanotherlessonabout46afewyearslater．Myfatheroften47meearlyinthemorning．“BuyXerox．It’sagoodsharpprice,”hemightsaywhenIansweredthephone．Nopleasant48orinquiryaboutmylife,justfinancialinstructions.Hismannerangeredmeandweoften49．Butoneday,Ithoughtaboutmyfather’ssuccessinbusinessandrealizedthathis50formyfinancialsecuritylaybehindhisshortmorningcalls．Thenexttimehecalledandtoldmetobuyastock，I51him．Whenmysocialstylehas52withthatofmyfriends,I’veoftenfeltdisappointed．Forexample,Ialwaysreturnphonecalls53andregularlycontactmyfriends．Iexpectthesamefromthem．Ihadonefriendwho54called,answeringmymessageswithshortemails．Ijumpedtothe55:Shewasn’tagoodfriend!Myangergrewastheholidaysapproached．ButthenshecametoagatheringI56andhandedmeabeautifuldressIhadfalleninlovewithwhenwedidsomewindowshoppingthepreviousmonth．Iwasshockedatherthoughtfulness,and57forhowI’dconsideredhertobeuncaring．ClearlyIneededto58myexpectationsoffriends.Fartoooften,Iignoredtheir59expressions,eagerlyexpectingthemtodothingsinmyway.Overtheyears,however,I’velearnedto60otherpersons’lovesigns.41．A．a(chǎn)dmire B．enjoy C．remember D．forget42．A．excitedly B．silently C．nervously D．instantly43．A．cold B．friendly C．a(chǎn)ttractive D．enthusiastic44．A．Strictly B．Secretly C．Carefully D．Roughly45．A．boring B．caring C．positive D．stubborn46．A．value B．respect C．love D．courage47．A．a(chǎn)rranged B.telephoned C．visited D．interrupted48．A．excuse B.meeting C．a(chǎn)pology D．greetings49．A．fought B.encouraged C．quarrelled D．laughed50．A．concern B.blame C．regret D．pride51．A．thanked B．ignored C．held D．praised52．A．stayed B．conflicted C．a(chǎn)greed D．linked53．A．inorde