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2020届广州增城区新塘中学北校区高三英语下学期期中试卷及答案
时间：2023-03-15 08:20:04 下载该word文档
2020届广州增城区新塘中学北校区高三英语下学期期中试卷及答案
第一部分阅读（共两节，满分40分）
第一节（共15小题；每小题2分，满分30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
ElectricShocksCanBeFatal
GovernmentstatisticsrecentlyshowedthatintheUK,morethan3,000peopleayearexperienceelectricshocksintheirhomes.Asmallernumberofpeoplearekilledaftertheytouchthepowerlinesoutsidetheirhomes.Electricshockscancauseaperson'sheartorbreathtostopandarepotentiallyfatal.Itisessentialforpeopletolearnbasictechniquestodealwithsuchemergencies.
Whattodo?
●Ifyouarethefirstpersontoreachsomeonewhohasanelectricshock,don'ttouchhimorher!
●Ifthevictimisstillholdingtheappliancethatgiveshimorhertheshock(e.g.ahairdryer,unplugitorturnoffthepoweratitssource.Undernocircumstancescanyoutrytomovetheappliancewithyourhands!
●Ifyoucan'tturnoffthepower,useapieceofwood,likeabroomhandleorachair,toseparatethevictimfromtheapplianceorthepowersource.Youmayevenbeabletodothiswithafoldednewspaper.
●Thevictimmustremainlyingdown.Ifheorsheisunconscious,thevictimshouldbeplacedonhisorherside.Butheorsheshouldnotbemovedifthereisapossibilityofneckorspineinjuriesunlessitislynecessary.
●Itisessentialtomaintainthevictim'sbodyheat,somakesureyoucoverhimorherwithablanketbeforeyoudoanythingelse.Ifthevictimisnotbreathing,applymouth-to-mouthresuscitation(人工呼吸.Keepthevictim'sheadlowuntilprofessionalhelparrives.
●Iftheelectricshockhasbeencausedbyanexternalpowerline,thedangerstothevictimandtoanybodyprovidingfirstaidaremuchgreater.1.Whatkindofpassageisit?
A.Anadvertisement.B.Ahorrorstory.C.Anewsreport.D.Firstaidemergencyadvice.2.Theunderlinedsentenceimpliesthat________.A.youshouldmovetheappliance
B.youshouldpickuptheapplianceandturnofftheelectricityC.itisverydangeroustotouchtheappliancewithyourhands
D.itisunnecessarytounplugtheappliancewithyourhands3.Whenapersonhasgotanelectricshock,youshould________.A.separatethevictimfromtheapplianceandlethimsitupB.keepthevictimwarmandhelphimorherbreatheagain
C.movethevictimontohisorhersideifheorshehasgotneckinjuriesD.keepthevictim'sheadhighuntilprofessionalhelparrives
B
Theclimatechangeisalreadyeatingintotheoutputoftheworld'sagriculturalsystems,withproductivitymuchlowerthanitwouldhavebeenifhumanshadn'trapidlyheatedtheplanet,newresearchhasfound.
Advancesintechnology,fertilizer(化肥useandglobaltradehaveallowedfoodproductiontokeeppacewithanincreasingglobalpopulationsincethe1960s.Butrisingtemperaturesinthistimehaveactedasahandbrake(手刹tofarmingproductivityofcrops,accordingtothenewresearch,publishedinNatureClimateChange.Productivityhasactuallyslumpedby21%since1961,comparedtoiftheworldhadn'tbeenaffectedbyglobalheating.
Withtheglobalpopulationsettorisetomorethan9billionby205,theUN'SFoodandAgricultureOrganizationhasestimatedthatfoodproductionwillhavetoincreasebyabout70%,withannualcropproductionincreasingbyalmost1billiontonsandmeatproductionbymorethan200mtonsayearbythispoint.Meanwhile,globaltemperaturesarerisingataratethatscientistswarnisextremelydangerousforhumancivilization.
“TheimpactalreadyislargerthanIthoughtitwouldbe,”saidArielOrtiz-Bobea,aneconomistatCornellUniversitywholedtheresearch.“Itwasabigsurprisetome.TheworryIhaveisthatresearchanddevelopmentinagriculturetakesdecadestotranslateintohigherproductivity.TheprojectedtemperatureincreaseissofastthatIdon'tknowifwearegoingtokeeppacewiththat.”
WestonAnderson,aresearcheroffoodsecurity(安全andclimateatColumbiaUniversitywhodidn'ttakepartinthestudy,saidthenewresearchprovidesfreshinsightintotheimportanceoftheimpactuponagriculture.
“Theregionsthatthispaperhighlightsasexperiencingthelargestreductions