Unit 22 Section Ⅴ 学业分层测评.docx
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1、学业分层测评1.单句语法填空1. NotonlyIknowher.butIwasherbestfriend.2. HesaidthattheChristmastree(buy)sn.3. Youcaneasilygetaccessthehumorousoldman.4. Hefixedhisattentionon(listen)tothemorningnews.5. Atnotimethecountrjbeenmoreprosperousthanatpresent.【答案】1.did2.wouldbebought3.to4. listening5.hasH.单句改错1. Thenaughtyb
2、oywasmadedohishomework.2. Notonlythestudentsbutalsotheteacherlikeholidays.3. Theonlyaccessofthecityisacrossthebridge.4. Mynewhouseispaintednow.【导学号:140920265. Theseproblemsshouldhavesolvedmonthsago.【答案】I.do前加to2.like改为likes3.of改为to4.is后加being5.have后加beenl11阅读理解AlaskasArcticlakesnowfreezelaterandmelt
3、earlierinheyearthanin1950.leavingthemeasytosufferwaterlossfromevaporaiion(蒸发)andpossiblyaddingtolocalwanning,anewstudyfinds.hewintericeseasonnearBarrow.Alaska,isshorterthanin1950,rcscarchcnireportedJan.30inIhcjournalTheCryosphere.1.akeiceisalsothinnereachwinter.Thescientistssureyed402lakesontheNorth
4、Slope.wherepermafrost(permanentlyfrozenground)andshallowlakesdominatethearea.ln2019.thelakeicewas38percentthinnerthanin1950.and22percentfewerlakesfrozethroughtotheirbottoms.“Whenwesaw(heactualnumberswewereshockedathowdramaticthechangehasbeen.leadstudyauthorCristinaSurdu.oflhcUnivcrsilyofWaterlooinCa
5、nada,saidinaStatement.Surduandherco-authorsanalyzedthechangesinlake-icethicknessandicecoverwithsatelliteimagesandclimatemodelsinulations(satelliteimagesarconlyavailablefrom1991).heclimatemodelssuggestthercticlakesfrozealmostsixdayslaterandbrokeupabout18daysearlierinthewinterof2019comparedwiththewint
6、erof1950.44ThechangesiniceandtheshortenedwinteraffectNonherncommunitiesthatdependoniceroadsotransportgoods”Surdusaid.Forexample,everywinter,oilcompaniesbuildroadsoverfrozenlakestoCarTysuppliestoPrudhocBay.“Thedramaticchangesinlakeicemayalsocontributetofurtherwanningoftheentireregion,becauseopenwater
7、onlakesCOnIribu心towarmerairtemperatures,“Surdusaid.TleArcticiswanningtwiceasfastastherestoftheplanet,torreasonsthatmayincludei(slayeredainoshere,whichtrapsheat,andthelossofseaiceandsnowcover,whichhelpreflectthesunsenergywhenpresent.【诘篇解读】本文主要讲解并描述北极湖冰的改变及其带来的影响。1. Whatdoesthetextmainlytellus?A. Arct
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