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UNIT5WORKINGTHELAND課時分層作業(yè)(十五)Ⅰ.閱讀理解AIt'snoteverydaythatUnitedStateshistorymixeswithmicrobes(微生物)inthesoil.ButwhenthegrasslandontheNationalMallinWashington,D.C.wasreplaced,itofferedscientiststheopportunitytostudychangesinthesoilbeneath.Theworkfocusedonthebacteriapresentinthesoil.Totheresearchers'surprise,thecommunitiesofmicrobesdidnotchangealotbeforeandafterthereplacement.Thesecommunitiesinthesoilareknownasthesoilmicrobiome(微生物群).“Mylabisinterestedinhowmicrobescanmovearoundintheenvironment,andhowtheychangeandadaptasaresultofthismovement,”explainsJoAnneCrouch,theleadauthorofthestudy.“Wethoughtthatthenew‘imported’turf(草皮)fromNewJerseywouldintroducedifferentcommunitiesofbacteriatotheNationalMall.However,wefoundthattheyweren'tsignificantlydifferent.”Crouch'sworkfocusedonturfgrass,definedasalargeareaofgreengrass.Itismadeupofthegrass,itsroots,andthesoilandmicrobesfoundwiththem.Thinkofthesoilmicrobiomeassimilartothecollectionofmicrobesfoundinthehumanbody.Whenthemicrobesareoutofbalance,itcanmakesomeonesick.Crouchsaysit'sthesameforthesoilmicrobiome.Manyoftheworstdiseasesincropsorotherenvironmentsarelinkedwithchangesinthesoilmicrobiome.Additionally,Crouchsaysthateventhoughthechangesbetweenthesoilsweresmall,scientistsarealsostartingtoappreciatethatsometimesareallyimportantmicrobeisarareone.Thismeansitwouldbehardtoobservebutcouldgreatlyaffecthowthegroupsfunctionasawhole.“Agriculturalareasandothernaturalspacesarehighlyandeasilyhurtbynegativechanges,”shesays.“Microbiomesofferanalmostentirelynewopportunitytoinfluenceinteractionsamongplantsandmicrobestoimproveplantproductivityandhealth.”[語篇解讀]本文主要介紹對微生物群落的研究,該研究對農(nóng)業(yè)是有益的。1.Whydidtheresearchersfeelsurprisedwhentheyfocusedonthebacteriainthesoil?A.Morebacteriaappearedinthesoil.B.Microbeswerereplacedobviously.C.Soilmicrobiomealmostremainedstable.D.Thesoilmicrobiomesdamagedtheenvironment.C[細節(jié)理解題。根據(jù)第二段中的“Totheresearchers'surprise,thecommunitiesofmicrobesdidnotchangealotbeforeandafterthereplacement.”可知,讓研究者驚訝的是土壤微生物群落變化不大,C項與該意思相符。]2.Bystudyingtheturfgrass,whatdidCrouchandherteamfind?A.Microbesgrewfasterintheirowncommunity.B.Soilmicrobiomesweredifferentindifferentplaces.C.Turfgrassadaptedtotheenvironmentnearbyverysoon.D.Similarcommunitiesofbacteriawerebroughtbyturfgrass.D[細節(jié)理解題。根據(jù)第三段第二、三兩句可知,通過研究草坪草,克勞奇和她的團隊發(fā)現(xiàn)草坪草帶來了類似的細菌群落。]3.Whydidtheauthormentionthemicrobesinthehumanbody?A.Toindicatethetwoplayasimilarrole.B.Toprovetheyareboththecausesofdiseases.C.Toexaminetheenvironmentspeoplelivein.D.Toanalyzethechangesofhumanmicrobes.A[推理判斷題。根據(jù)第五段第一句“Thinkofthesoilmicrobiomeassimilartothecollectionofmicrobesfoundinthehumanbody.”可知,作者提到人體內(nèi)的微生物是為了表示,它們兩者起了相似的作用。]4.WhatdoesCrouchmeaninthelastparagraph?A.Microbesarestillashardtoobserveasbefore.B.Studiesonmicrobiomescanbebeneficialtoagriculture.C.Scientistsarestillpuzzledabouttheeffectofmicrobiomes.D.Toomanymicrobiomesinthesoilmeannoharmtoplants.B[推理判斷題。根據(jù)文章的最后一句提到“微生物群落提供了一個幾乎全新的機會來影響植物和微生物之間的相互作用,以提高植物的產(chǎn)量和健康?!庇纱丝芍⑸锶郝涞难芯繉r(nóng)業(yè)是有益的。]BIleftEnglandforSydneyinSeptember.Itwasacareermoveformyhusband,andour20-year-olddaughterwasfeelingadventurousanddecidedtocome,too.However,justbeforeleavingEngland,my79-year-oldmothersufferedastroke(中風).Beingstrongandindependent,shecontinuestoliveathomewiththehelpofsocialservices.Butshecouldn'tlookafterthegarden.Ithoughthowwonderfulitwouldbeiftherewasanorganisationofferingvolunteerhelp.FriendsaskedmewhatIplannedtodoinAustralia,andItoldthemIwouldbelookingforavolunteerpositionwithagardeningcharitableorganisation.ImaginemysurprisewhenIfoundjusttheorganisationIhadbeenlookingfor—EasyCareGardening(ECG)!ThereareseveralreasonswhyIvolunteerforECG.Firstly,asanewcomertoAustraliaImeetmanygreatpeoplewho,likeme,volunteersomeoftheirtime.Wecoveralargeagerange,butalllovegardensandhelpingothers.Secondly,throughworkingwithECGIhavebeenluckyenoughtoexploreSydney'sNorthShorethatImightnothavehadtheopportunitytovisitotherwise.Finally,thereareallthosewonderfulpeoplewecall“clients(客戶)”butaremorelikefriendswhenwevisitthemoftenandtendtheirgardens.WhatgreatpeopleIhavemet,andthestoriestheyhavetotell—thefamilyhistories,wheretheycomefromandthereasonsforimmigratingtoAustralia.Ifinditaprivilegetohaveaccesstoprivategardenswhich,inmanycases,havebeenthejoyoftheirownersformanyyears.Eachoneisindividualandreflectsthecharacter,needsandthehistoryofeachfamily.Indeed,thegardensreflectthemulticulturalandhistoricalbackgroundofSydney.[語篇解讀]作者因個人經(jīng)歷決定在澳大利亞做園藝志愿者,幫助客戶打理花園。這一工作不僅讓作者能幫助他人,而且也給作者帶來了很多收獲。5.WhydidtheauthormovetoSydney?A.Herhusbandwouldworkthere.B.Sheplannedtovolunteerthere.C.Shewasverykeenonadventures.D.Shehadtolookafterhersickmother.A[細節(jié)理解題。根據(jù)“IleftEnglandforSydneyinSeptember.Itwasacareermoveformyhusband...”可知,這次搬去悉尼是由于作者丈夫的工作變動,故選A項。]6.Whatmadetheauthorchoosetobeagardeningvolunteer?A.ThepopularityofECG.B.Thetipsofherfriends.C.Herownexperience.D.Hergardeningskills.C[推理判斷題。根據(jù)第一段可知,作者的母親患中風不能打理花園,希望有一個能幫助他人打理花園的慈善組織,這段經(jīng)歷使她萌生了做園藝志愿者的想法。]7.WhatdothevolunteersatECGhaveincommon?A.Theymakefriendswiththeirclients.B.TheyliketoexploreSydney'sNorthC.Theyareofsimilaragesandbackgrounds.D.Theyarekind-heartedwiththesameinterest.D[推理判斷題。根據(jù)第二段中的“Wecoveralargeagerange,butalllovegardensandhelpingothers.”可知,該組織有各個年齡段的志愿者,他們都喜歡園藝和幫助他人。由此可知,他們都善良并有共同的興趣。]8.Whatdoestheunderlinedword“one”inParagraph4referto?A.Client. B.Garden.C.Reason. D.Joy.B[代詞指代題。根據(jù)“Ifinditaprivilegetohaveaccesstoprivategardens”可知,中心詞是garden,再結合“Indeed,thegardensreflectthemulticulturalandhistoricalbackgroundofSydney.”可推斷出,這里的one指的是garden。]Ⅱ.讀后續(xù)寫閱讀下面材料,根據(jù)其內(nèi)容和所給段落開頭語續(xù)寫兩段,使之構成一篇完整的短文。Iwasavolunteerforanorganizationatthebeginningofthisyear.Theorganizationisaimedathelpingchildrenwhosufferfromcancer.Oneday,wewereaskedtoraisemoneyforcancerresearchandprogramfundingatanevent.SincemyfriendLisawasalsoavolunteerfortheorganization.Iwenttotheeventwithher.Thereweremanypeopleattheevent.Afterseeingourposter,somepeoplecametousandtalkedwithus.Butfewpeopledonatedmoney.Itwasabithotthatday.BothLisaandIgotreallyupset.Halfanhourlater,Lisastartedcomplaining,“Idon'tthinkwecanraisemuchmoneytoday.”“Don'tworry.Theeventlastsforthreehours.Thereisstillalotoftimeleft,”Isaid,thoughIalsothoughtpoorlyofourplantoraisemuchmoneythatday.WhileLisaandIweretalking,alittleboyofabouteightyearsoldcametous.Hestoodinfrontofourposterandstartedreading.Afterawhile,heasked,“Whatiscancer?”Iexplainedwhatcanceris.ThenIsaid,“Manypeoplearoundtheworldaresufferingfromcancer.Itcanbereallydangerous.Moreresearchisneededtolearnaboutitsothatpeoplewithitcansufferless.That'swhywe'recollectingmoneyforit.”“Dochildrensufferfromcancer,too?”askedtheboy.“Yes.Manychildrensufferfromcancer.Someofthemmaydie.Theyneedhelp.”LisasaidandInodded.Hearingthat,theboybecamesad.Thentheboyasked,“Howmuchmoneyhaveyoucollected?”BothLisaandIwereembarrassedtotellhimthatwedidn'traisemuchmoney.Atlast,wesaid,“Notmuch.”Theboylookedintoourdonationcontainerandonlysawafewone-dollarandfive-dollarbills.Theboysaidnothingafterseeingthatandleft.Thensomegirlscametousandwestartedtalkingwiththem.NeitherLisanorIthoughttheboywouldreturn.However,abouttwentyminuteslater,theboydidreturn.注意:1.續(xù)寫的詞數(shù)應為150左右;2.請按如下格式作答。Theboyhappilyrantousandasked,“Wouldyoutakeadonationfromchildren?”____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________BothLisaandIweredeeplytouched.__________________________

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