第第頁handwrittennoteininkattachedtoapartlysealedbottlecontainingthelemon,thefruitwaspickedinMay1842byWashington's"oldgardener"some43yearsafterthefirstpresident'sdeathTwothousanddollarsisalottopayforproduce,evenfromtheestateofafoundingfather.Thissale,however,justmightbeconsideredabargaincomparedwithpricespaidforotherhistoricalcollectiblesinrecentyears.68Collectingapieceofhistory,oranobjectassociatedwithafamousperson,isnotbrandnew.Ordinaryobjectswithextraordinarystorieshaveincreasinglybeencomingtoauctionandachievinghighprices,saysThomasVenning,directorofChristie'sdepartmentofbooksandmanuscriptsinLondon.Pricesarebeingdrivenup,hesays,bycollectorsintheU.S.and,increasingly,inAsia.TheHawkingwheelchair,forexample,waspurchasedbyaprivatemuseuminChina.69Foronething,theirhistoryofownershipisbothcrucialandsometimesdifficulttoprove.Photographsofthefamouspersonwiththeobject,aswellasdocumentation(suchasletters,diariesorrecollectionsbyacquaintancesreferringtotheobject)canalsohelp.70ToevaluatethevalueofaPicassopainting,onecanlookatrecentpricespaidforotherPicassopaintingsofthesameperiod,similarsizeorstyle.FindinganotherrecentsaleofalemonplantedbyGeorgeWashingtonisadifferentmatter.KatieHorstman,headofCowan'sAmericanHistorydepartment,saysshecouldfindnocomparableitemsforthelemonasshepreparedthepieceforitsauction.Ms.Horstmanneverthelesseventuallyarrivedattheestimatedvalueat$3,000to$4,000,shesays,byresearchingauctionrecordsforobjectssomehowassociatedwithWashingtonthathadappearedonthemarket.Cowansendedupestimatingthevalueofthelemonat$3,000to$4,000,accordingtodescriptiononitswebsite.ObjectsassociatedwithWashingtonthesedays,Ms.Horstmansays,cansellforanywherefrom1,000uptotensofthousandsofdollars.SummaryWritingDirections:Readthefollowingpassage.Summarizethemainideaandthemainpoint(s)ofthepassageinnomorethan60words.Useyourownwordsasfaraspossible.LowerOxygenLevelsThreatenMarineLifeOxygenintheoceansisbeinglostatanalarmingrate,with“deadzones”expandingrapidlyandhundredsmoreareasshowingoxygendangerouslyexhausted,puttingsharks,tuna,marlinandotherlargefishspeciesatparticularrisk.Deadzones,whereoxygeniseffectivelyabsent,havequadrupled(翻兩番)inextentinthelasthalf-century,andtherearealsoatleast700areaswhereoxygenisatdangerouslylowlevels,upfrom45whenresearchwasundertakeninthe1960s.Thereasonsbehindthisenvironmentalcollapsearemultiple.Amongall,pollutantsgeneratedbytheindustrialworldhavebeenthemostdestructiveforcetocausetheunbalance,includingarisingtideofplasticwaste,aswellasotherpollutants.Seasareabout26%moreacidicthaninpre-industrialtimesbecauseofabsorbingtheexcesscarbondioxideintheatmosphere,accordingtotheIntergovernmentalPanelonClimateChange,withdamagingimpactsonshellfishinparticular.Lowoxygenlevelsarealsoassociatedwithglobalheating,becausethewarmerwaterholdslessoxygenandtheheatingcausesstratification（分層）,sothereislessofthevitalmixingofoxygen-richandoxygen-poorlayers.Oceansareexpectedtoloseabout3-4%oftheiroxygenbytheendofthiscentury,buttheimpactwillbemuchgreaterinthelevelsclosesttothesurface,wheremanyspeciesareconcentrated,andinthemidtohighlatitudes.Anothermajorcauseforloweroxygenisintensivefarming.Whenexcessartificialfertilizerfromcrops,orwastesfromthemeatindustry,runsoffthelandandintoriversandseas,itfeedsalgae（藻類）whichbloomandthencauseoxygenconsumptionastheydieanddecay.Theproblemofdeadzoneshasbeenknownaboutfordecades,butlittlehasbeendonetotackleit.Nowishightimetotakeactionsandhelptheoceansfunctionbetter.TranslationDirections:TranslatethefollowingsentencesintoEnglish,usingthewordsgiveninthebrackets.面對緊急情況時，他是多么的冷靜?。?How)致力于保護(hù)瀕臨滅絕的海洋生物，人人有責(zé)。(commit)看到掛滿枝頭鮮紅嫩綠的果實，他們不禁心生歡喜。(can'help)當(dāng)政府開始號召人們進(jìn)行垃圾分類時，人們才意識到這是邁向保護(hù)環(huán)境的重要一步。(Only)GuidedWritingDirections:WriteanEnglishcompositionin120-150wordsaccordingtotheinstructionsgivenbelowinChinese.隨著移動網(wǎng)絡(luò)的發(fā)展，各種手機APP應(yīng)運而生，給我們的生活帶來了極大便利，但許多同學(xué)也因此沉迷網(wǎng)絡(luò)。現(xiàn)學(xué)生會發(fā)起一項清理手機APP的倡議，如果你只能從以下四個APPs：We-chat，Taobao，E-dictionary，GloryofKings(mobilegame)中保留兩個，你會如何選擇，并說明理由。2019學(xué)年第一學(xué)期奉賢區(qū)調(diào)研測試

高三英語試卷參考答案ListeningComprehensionSectionA1-5ABDCA6-10BCBBA11-13DBB14-16CDB17-20DBBDGrammarandVocabulary21.hastaken22.those23.could24.Toconvey25.fated26.Despite27.who28.because29.what30.that31-40BEAKJGCHFIReadingComprehension41-55BACDBBCBDBCBADA56-59CADC60-62DAA63-66CDBA67-70CABESummaryWritingForreference:Oxygenlevelsintheoceansaredroppingrapidly,whichendangersmarinelife.Industrialpollutants,especiallyplasticwasteandincreasedcarbondioxide,arethedeadliestcauses.Globalwarmingisanothercause.Finallyintensivefarmingisalsotoblameforoxygenloss,becauseitswastesfeedsalgae,whichconsumeslotsofoxygen.Measuresshouldbetakentotacklethisneglectedthreat.Oxygenlevelsintheoceansaredroppingrapidly,whichendangersmarinelife.Industrialpollutants,especiallyplasticwasteandincreasedcarbondioxide,arethedeadliestcauses.Besides,globalwarmingisresponsibleasitleadstoloweroxygenstorageandstratification.Finally,intensivefarmingalsoresultsintheoxygenloss.Measuresshouldbetakentotacklethisneglectedthreat.Translation72.Howcalmhewaswhen(hewas)facedwithemergentsituations/theemergency!73.Itiseveryone'sdutytobecommittedtoprot