高中英语课时作业（人教版选修第一册）课时作业 15

课时作业(十五)Unit5SectionⅢUsingLanguageeq\a\vs4\al(层级一)课时跟踪检测维度1单词拼写1．Goodnutritionis________(必要的)ifpatientsaretomakeaquickrecovery.2．Apartfromwhatyouhavementionedabove,doyouhaveany________(其他的)plan?3．Toreducepollutionandproducehealthyfood,somefarmershaveturnedto________(有机的)farming.4．Tomyamazement,hisopinionissimilartomineinmany________(方面).5．It________(消化)yourfoodandsendsvitaminsandmineralsintotheblood.6．Itisalwaysimportanttochooseenjoyable,________(有营养的)foods.7．Thereis________(广泛的)supportforthenewproposals.8．These________(化学物质)inthefoodsupplybuildupinpeople'sbodiesovertime.9．Itishightimethatweforbadesettingofffireworksin________(城镇的)areas.10．Justasthesayinggoes,“Nothingistobegotwithoutpainsbut________(贫穷).”维度2单句语法填空1．Thereweresomanycarsheldupbytheheavyrainthatwehadnoalternativebut________(wait).2．Itisessentialthathe________(get)somereliableinformationbeforemakinginferences.3．Astheeducatorputsit,________(expand)yourknowledgebyreadingmorebooksisawisechoice.4．________somescientistshavefoundisthattheirlong­termusecansometimesharmboththelandandpeople'shealth.5．Shedevotedherself________(entire)toherresearchanditearnedheragoodreputationinherfield.6．Organicfarmersalsousemanyother________(method)toproducerichsoil.7．Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhile________(avoid)damagetotheenvironmentortopeople'shealth.8．Lastyear,thenewelectricpowerplant________(generate)enoughenergytopowerthewholecity.9．We,as________(educate)stronglyopposeprotectingchildrentoomuch.10．Wefeltathomewithherandwereimpressedwiththe________(deep)ofherknowledge.维度3完成句子1．阅读好书既能丰富我们的头脑又能教我们分辨是非。Readinggoodbookscan____________________________teachustotellrightfromwrong.2．我们必须更好地利用可替代能源，比如太阳能和风能。Weshould____________________________，suchassolarandwindpower.3．关于健康生活，不同的人有着不同的观点。________________________，differentpeoplehavedifferentopinions.4．保持环境清洁无污染是让人们生活健康的关键一步。________________________________________________________________________isthekeysteptomakepeople'slifehealthy.5．更多的高速公路被建设完成，使人们到中国各地旅行更加方便。Morehighwayshavebeenbuilt,______________________peopletotravelaroundChina.维度4课文语法填空Chemicalpesticidesandartificialfertilisers(be)inwidespreaduseinfarmingsincethemiddleofthe20thcentury.Overtime,however,somescientistshavefoundisthattheirlong­termusecansometimesharmboththelandpeople'shealth.Forexample,pesticidescandamagethelandby(kill)notonlyharmfulbacteriaandinsects,butalsohelpfulones.Asalternative,somefarmershaveswitchedtoorganicfarming.Organicfarmersfocusonkeepingtheirsoilrichandfreediseasethroughnaturalmeans.Organicfarmersalsousemanyothermethods(produce)richsoil.Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfood.Somepeoplewouldprefertostoptheuseofman­madechemicalsinagriculture(entire).Butthereisstillalongwaytofinda(suit)solutionthatputssufficientfoodonthedinnertablewhile(keep)peopleandtheenvironmentashealthyaspossible.eq\a\vs4\al(层级二)主题阅读训练Ⅰ.阅读理解ATheorganicfoodshavegainedalotofpopularityastheyarebeingconsideredashealthierandtastier.Afairnumberofpeopleadvocatealarge­scaleshifttoorganicfarmingfromconventionalagriculture.Butthismightnotseemwell­founded.Sincethemid­19thcentury,conventionalindustrialagriculturehasbeeincrediblyefficientonasimplelandtofoodbasis.Conventionalfarminggetsmoreandmorecroppersquarefootofland,whichcanmeanlesswildernessneedstobetransformedtofarmland.Tomakefarmingmoreefficient,conventionalagricultureusesasignificantamountofsyntheticfertiliser(合成肥料)eachyear,andallthatnitrogen(氮)enablesmuchfasterplantgrowth.However,thecostispaidinvastpolluteddeadzonesatthemouthsofmanyoftheworld'srivers,becausemuchofthenitrogenendsuprunningoffthesoilandintotheoceans.Thisalsomakesconventionalfarmingoneofthemajorthreatstotheenvironment.Toweakentheenvironmentalimpactofagriculture,improvesoilqualityaswellasproducehealthierfoods,somefarmershaveturnedtoorganicfarming.Environmentalistshavealsoweledorganicfoodasbetterfortheplanetthanthefoodproducedbyagriculturalcorporations.Organicpractices—refusingartificialfertilizersandchemicalpesticides—areconsideredfarmoresustainable.Salesoforganicfoodrose7.7%in2010,uptobillion—andpeoplearemakingthosepurchasesfortheirmoralsensesasmuchastheirtongues.Yetanewmeta­analysisinNaturedoesthemathandestoahardconclusion:organicfarmingproduces25%fewercropsonaveragethanconventionalagriculture.IntheNatureanalysis,scientistsperformedananalysisof66studiesparingconventionalandorganicmethodsacross34differentcropspecies,fromfruitstograins.Theyfoundthatorganicfarmingdeliveredaloweroutputforeverycroptype,thoughthedifferencevariedwidely.Forcropslikefruittrees,organictrailed(落后于)conventionalagriculturebyjust5%.Yetformajorgraincropsandvegetables—allofwhichprovidetheworld'smaincalories—conventionalagricultureoutperformedorganicsbymorethan25%.Whatthatmeansisthatwhileorganicfarmingmaybemoresustainablethanconventionalagriculture,therearetrade­offs(此消彼长)witheach.Soanidealglobalagriculturesystemmayborrowthebestfrombothsystemsratherthanupholdingmerelyorganicorconventionalpractices.1．Whatdoweknowaboutconventionalfarming?A．Itproducesmorecropswithfewerfertilisers.B．Itachievesefficiencyatahugecosttotheenvironment.C．Itoffersalong­termsolutiontoglobaldemandforfood.D．Itperformsfarbetterforeachcroptypethanorganicfarming.2．Whatdoestheauthormostprobablyagreewith?A．Employingorganicfarmingtoplantrice.B．Adoptingorganicpracticestogrowpotato.C．Usingconventionalmethodstoplantcabbage.D．Applyingconventionalfarmingtogrowapple.3．What'stheauthor'spurposeofwritingthepassage?A．Toparetwotypesoffarming.B．Tocriticizeconventionalagriculture.C．Todiscussthedevelopmentoffarming.D．Toargueforarealisticagriculturesystem.BPierreDéomhasspenthisentirelifeclosetothewoodsandfieldsthatheayear,hismagazine,LaHulotte,focusesonananimalorplantnativetotheFrenchcountryside.The100theditionwaspublishedinmagazinehasmorethan150，000subscribersinmanycountries,andisdoingverywellsaysitallbeganinJanuary1972,whenhewasteachingscienceinaone­roomschoolhousehere.“Itupsetmehowtheforestsandswampswerebeginningtobeword‘ecology’didn'treallyexistfriendsandIwantedtocallattentiontothewesaid,let'seducatethekids.They'rereadytohearourmessage.”Sohetookastepintotheunknown,planningtopublishhisnaturejournal.Déomdoesalltheresearchandwritingandtheillustrations(插图)ofthemagazinebybinesscienceandhumourinhiswritinganddrawingstodescribethedailylifeandsufferingsofhisyoumightoverlookorconsiderdullaremagicallyandvividlybroughttolifeinLaHulotte.“ItrytowriteaboutanimalsandplantsthatareeasytofindbecauseIwantkidstoputonboots,takeamagnifyingglass,gotothewoodsandfieldstoobserveandbeamazedbywhattheyfind，”Déomsays.AnditseemstoJeromeFournierbegansubscribingtoLaHulottewhenhewasjusteightyearsold.“FormeitwasthefirstcontactwithnaturewhenIwasachild.Andmaybeit'sthebeginningformylifeofscientist.Ithinkso.”What'samazingisitsmagazinehasrealisticdrawingsandalsoalittlecastofcartooncreatureswhomentonthingsandgivedifferentcanreaditasanadultorachild;itcanbeunderstoodontwodifferentscientists,regularpeopleandchildrenallgetsomethingoutofit.“It'sextraordinary，”Fourniersays,whoworksattheNationalMuseumofNaturalHistoryinParis,wherehesaysLaHulottehasacrazyfollowing.4．Whatdoestheunderlinedword“subscribers”inParagraph2probablymean?A．Readers.B．Editors.C．Sellers.D．Collectors.5．What'sthepurposeofcreatingthemagazine?A．Tomakealotofmoney.B．Tofinishthetaskofteaching.C．Toenlargetheareasofforests.D．Topromotepeople'sawarenessofecology.6．WhichwordscanbestdescribethemagazineLaHulotte?A．Scientificandinteresting.B．Magicalanddull.C．Vividandunreal.D．Hardtounderstand.7．Whatcanwelearnfromthelastparagraph?A．Themagazineisacartoonone.B．Adultsfindthemagazinetooeasy.C．Manyscientistsarethefansofthemagazine.D．Themagazineisnotfitforregularpeopletoread.Ⅱ.七选五Aslongaswehavebeenonearth,wehaveusedtheseaaroundtakefromtheocean,andwegivetoit.Wetakefishesfromtheocean—millionsofkilogramsoffish,everyyear,tofeedmillionsofpeople.__1__Wetakemineralsfromthewaytogetsaltistoplaceseawaterinashallowbasinandleaveituntilitevaporates(蒸发).__2__Muchgoldandsilverdriftdissolvedinthewatersofthesea,theseadoesnotgivethemupbysimplegiftsfromtheseaarepearls,spongesandbeejewelry.__3__Seaweedbeesfoodofmanykinds—evencandy,andicecream—aswellasitornot,freshwaterisanothergiftfromthecannotdrinkoceanwater.__4__Butoceanwaterbeesfreshwaterwhenthesaltsarethefuture,wewillfindourselvesdependingmoreandmoreonfreshwaterfromthesea.Theseagivesusfood,fertiliser,minerals,water,andotherdowegivethesea?Garbage.__5__Hugeasitis,theoceancannotholdallthewaterthatwepourintogarbageintotheoceaniskillingoffseaastheworldpopulationgrows,wemayneedtheseaanditsgiftsmorethanever.Wearefinallylearningthatifwedestroyourseas,wemightalsodestroy,itisnottoolate.A．Naturalspongesbeecleaningaids.B．Wepollutetheoceanwhenweuseitasagarbagedump.C．Theareaoftheseaisbeingsmallerandsmaller.D．Alongwithsalt,othermineralsareleftafterevaporation.E．Weevenusetheirbonesforfertiliser.F．Someofitscontentsmaycauseillness.G．Wetakealotfromtheoceanandgivelittletothesea.Ⅲ.完形填空LastyearIdecidedtodosomevolunteerwork.Ibeganto__1__ontheInternetanddiscoveredVolunteerUSA.ThreemonthslaterI__2__myselfonaplanetoPhoenix,Arizona.Iwas__3__atthethoughtoflivingwithloadsofnewpeopleforthreemonths.However,withinfifteenminutesof__4__，myworrieshadgone.Everyonewassofriendlyandlike­mindedthatitwasvery__5__tofeelathome.IwassenttotheCoronadoNationalForestformyfirst8­day__6__.Wehadto__7__everythingweneededandwalkthreemilestowhereweworked.Itmaynotseemlikea__8__waybutin35℃heatandwithaheavypack,mylegswereonfire.Myjobwastobuildastairway