小、初中、高中各卷知文案合同学种试真题识归纳PPT等免下费载www.doc985.com考点分类练(九)主旨大意题——段落大意类A(2021·山东淄博高三三模)For30yearswehavebeentoldhowtemperatureshavebeenrisingrapidlytotheunheard-oflevel.Thisiscausingpolaricetomelt,sealeveltoriseandhasbroughtaboutadangerousincreaseinextremeweatherevents.Theseintensechangeswouldlikelypresentchallengestooursocietyandenvironment.Thecausesofclimatechangearemainlyanthropogenic(人类活动引起的)innature.Sincetheindustrialrevolution,humanactivitieshaveincreasedtheamountofgreenhousegasesintheatmosphere.Theincreasedamountofgaseswhichabsorbheathasledtomoreheatbeingkeptintheatmosphere,causingglobalwarming.Thecertaintyofglobalwarmingcanbeseenthroughsomeofthenaturalphenomenaliketheeffectoncropsandextremeweatherconditionsaroundtheworld.Therecentassessmentreportsaysthattheearth’saveragetemperaturehasrisenby0.74degreesfrom1906to2005,andthattheaveragetemperaturewillcontinuetorise.Therehavealsobeenmoreviolentdownpours,andtheiceattheworld’spolesandonitsmountainsismelting.Therisingsealevelisfloodingthelow-lyingcountriesinAsiaandsmallislandsinthePacific.Thismayleadtothedisplacementofmillionsofpeople,lossofmillionsoflandandconsequentlybillionsofdollars.Troubledbytheserioussituation,worldleaderscametogetherforthe2015UnitedNations(UN)ClimateChangeConferenceinParis.Theclimatetalksledto196countriesreachingalandmarkagreementthatcommittednearlyeverycountrytoloweringplanet-warminggreenhousegasemissionstoaddressglobalclimatechange.Thatwascertainlyanencouragingstepforourearthandmankind!Astheworldleaderscontinuetocommitthemselvestomonitoroursickplanet,weneedtocontinuetotakesmallstepstohealtheworld.Wedon’thavemuchchoice.IfonlywecouldjustpackourbagsandmigratetoMars!1.Whatdoesparagraph2mainlytalkabout?A.Theinformationofindustrialrevolution.B.Thegreenhousegasesintheatmosphere.C.Thereasonsofclimatechange.D.Theresultofextremeweatherevents.2.Whatcanweinferfromthelastparagraph?A.Wehavemadegreatachievements.B.Somemeasuresarestillrequiredtotake.C.Marsissuitableforpeople’sliving.D.Somecountrieswillreceiveurgentaid.3.Whichofthefollowingshowsthestructureofthewholetext?小、初中、高中各卷知文案合同学种试真题识归纳PPT等免下费载www.doc985.com小、初中、高中各卷知文案合同学种试真题识归纳PPT等免下费载www.doc985.com(P:Paragraph)B(2021·陕西高三下学期模拟)Eatingchocolateatleastonceaweekcouldputoffaheartattack,accordingtoanewresearch.Chocolateispackedwithplantchemicalsthatweakeninflammation(炎症)andhelpbloodflow,explainedscientists.LeadauthorDrChayakritKrittanawongsaid,“Ourstudysuggestschocolatehelpskeeptheheart’sbloodvesselshealthy.”Itcollecteddatafromsixtrialsthatexaminedthelinkoverthepastfivedecades.Atotalof336,289peoplereportedtheirintake.Thosewhoatechocolatemorethanonceaweekreducedtheirriskofcoronaryartery(冠状动脉)diseasebyeightpercent.Thiswascomparedtopeerswhoateitlessthanonceaweek.Chocolateisknowntoproducethesamechemicalinthebrainasfallinginlove.DrKrittanawongsaid,“Chocolatecontainshealthynutrientssuchasflavonoids(类黄酮),polyphenolsandstearicacidwhichmayreduceinflammation.”KnownmedicallyasHDL(high-densitylipoprotein)(高密度脂蛋白),ithelpstoridLDL(low-densitylipoprotein)outofthebody.Whenthiscollects,itcausesvesselsandarteriestobecomeblockedup.Itcanstopbloodflowtotheheartorbrain,causingaheartattackorstroke.DrKrittanawongsaid,“Inthepast,clinicalstud...