Unit 6 Nature in words Developing ideas & Presenting ideas 课时作业.docx
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1、Unit6NatureinwordsDevelopingideas&Presentingideas基础知识过关.单词拼写1.Heisvery(具有强烈信念的)abouttheproject.2.Canyougiveamore(确切的)definitionoftheword?3.Hehadmadea(彻底的)investigation.Nowonderheknewsomuchaboutit.4.Shehasalwayshadahigh(名誉)forherexcellentshortstories.5.Thereport,laheadofWorldHearingDayonMarch3,underl
2、inestheneedtorapidlystepupeffortstopreventthehearingloss. .用方框内短语的适当形式填空speakof;scoresof;causeharmto;beawareof;standby;inparticular1.Thoughyourideaisverygood,IstillwhatIsaidearlier.2.Beingexposedtosunlightfortoomuchtimeonesskin.3.OnthedayofYuanLongpingsfuneral,peoplewenttomournhim.4.Iwishtothank,all
3、thepeoplewhohavemadethisexhibitionpossible.5.Insomelanguagesyoucannotbodypartslikeyourpersonalpossessions.6.Peoplearoundtheworldshouldtherealsituationofwatershortages. .单句语法填空1.Itsreportedthat(dozen)ofhouseshavebeendestroyedintheflood. 2.TheChinese-stylefurnitureinthedininghallcreatedanatmosphereof(
4、elegant).3.Asisknowntousall,chemicalweapons(ban)internationally.4.Beforetheclass,MissWangaskedaquestion,butallthestudentslooked(puzzle).完成句子1.我们还是会照常去学校,除非下大雪。,wewillgotoschoolasusual.2.目前,并不是每个人都支持他的计划。isinfavorofhisplanatpresent.3.我们努力工作为的是赚更多的钱。Weworkhardwecanearnmoremoney.4.许多学校都禁止学生在课堂上使用手机。Man
5、yschoolsphonesinclass.课文语法填空SilentSpringSilentSpringwrittenbyRachelCarsonwaspublishedin1962.Carsonwrotethebook1(aim)toalertpeopletothedamagingeffectsofhumanactivities2naturalecosystems.Andshewishedtoseepesticides3(use)inamoreresponsible,limitedandcarefullymonitoredway.Thebookcontainedalotofscientifi
6、cinformation,research,examplesandsoon,4showedhowpreciseshewasasascientist.Theargumentswerestrongandthelanguagewas5(elegance)andinfluential.However,thebookwasnotreceivedpositivelybyeveryone.Itquicklybecameatargetforcriticsinthepesticideindustry,whosaidthatCarsonsresearchwasnotprecise.Carsonappearedin
7、publicandontelevision6(defend)herclaims.Carsonsmessagewas7(alarm)anditsinfluencewasimmediateandfar-reaching.TheuseofDDT8(ban)andtheEPAwasestablishedintheUS.Thebookwasconsideredas9milestoneinthelaunchofthegreenmovementintheWesternworld.CarsonearnedaPresidentialMedalofFreedomaftershepassedaway.Thebook
8、changedtheworldbyincreasingpeoples10(aware)ofprotectingnaturalecosystem.1.2.3.4.5.6.7.8.9.10.能力提升训练.阅读理解(2021北京大兴高二上期末)Plastic-EatingWormsHumansproducemorethan300milliontonsofplasticeveryyear.Almosthalfofthatwindsupinlandfills(垃圾填埋场),andupto12milliontonspollutetheoceans.Sofarthereisnoeffectivewaytog
9、etridofit,butanewstudysuggestsananswermaylieinthestomachsofsomehungryworms.ResearchersinSpainandEnglandrecentlyfoundthatthewormsofthegreaterwaxmothcanbreakdownpolyethylene,whichaccountsfor40%ofplastics.Theteamleft100waxwormsonacommercialpolyethyleneshoppingbagfor12hours,andthewormsconsumedandbrokedo
10、wnabout92milligrams,oralmost3%ofit.Toconfirmthatthewormschewingalonewasnotresponsibleforthepolyethylenebreakdown,theresearchersmadesomewormsintopaste(糊状物)andappliedittoplasticfilms.14hourslaterthefilmshadlost13%oftheirmassapparentlybrokendownbyenzymes(酶)fromthewormsstomachs.Theirfindingswerepublishe
11、dinCurrentBiologyin2017.FedericaBertocchini,co-authorofthestudy,saysthewormsabilitytobreakdowntheireverydayfoodbeeswaxalsoallowsthemtobreakdownplastic.“Waxisacomplexmixture,butthebasicbondinpolyethylene,thecarbon-carbonbond,isthereaswell,”sheexplains.“Thewaxwormevolvedamethodorsystemtobreakthisbond.
12、”JenniferDeBruyn,amicrobiologistattheUniversityofTennessee,whowasnotinvolvedinthestudy,saysitisnotsurprisingthatsuchwormscanbreakdownpolyethylene.Butcomparedwithpreviousstudies,shefindsthespeedofbreakingdowninthisoneexciting.Thenextstep,DeBruynsays,willbetoidentifythecauseofthebreakdown.Isitanenzyme
13、producedbythewormitselforbyitsgutmicrobes(肠道微生物)?Bertocchiniagreesandhopesherteamsfindingsmightonedayhelpemploytheenzymetobreakdownplasticsinlandfills.Butsheexpectsusingthechemicalinsomekindofindustrialprocessnotsimply“millionsofwormsthrownontopoftheplastic.”1.Whatcanwelearnaboutthewormsinthestudy?A
14、.Theytakeplasticsastheireverydayfood.B.Theyarenewlyevolvedcreatures.C.Theycanconsumeplastics.D.Theywindupinlandfills.2.AccordingtoJenniferDeBruyn,thenextstepofthestudyisto.A.identifyothermeansofthebreakdownB.findoutthesourceoftheenzymeC.confirmtheresearchfindingsD.increasethebreakdownspeed3.Itcanbei
15、nferredfromthelastparagraphthatthechemicalmight.A.helptoraisewormsB.helpmakeplasticbagsC.beusedtocleantheoceansD.beproducedinfactoriesinfuture4.Whatisthemainpurposeofthepassage?A.Toexplainastudymethodonworms.B.Tointroducethedietofaspecialworm.C.Topresentawaytobreakdownplastics.D.Toproposenewmeanstok
16、eepeco-balance.七选五Thebesttimetotrytofightglobalwarmingisnow!Anyactionthatreduceswaterandenergyconsumptionandthebuild-upofharmfulgasesinouratmospherehelpstominimizetheeffectsofglobalwarming.Simpleideasthatyoucaneasilyputintopracticeareasfollows.1Eventhoughsomeareasexperiencerainfall,otherareasareshor
17、tofwater.Athome,simpleactionslikemakingsureyouturnoffthetapwhilebrushingyourteethwillmakeadifferencetoboththeenvironmentandyourwaterbill!Turnoffdevices(设备)thatarenotinuse.2Thus,youcaneasilydevelopthehabitofleavingsomethingon.Notonlyisthisbadforthedevicesthemselves,butalsoyouendupwastingenergyneedles
18、sly.Beforesmartphonesandcomputers,thereweregamesconsumingnoenergyatall.3Surely,youwillenjoyyourselveswithoutworseningglobalwarming.Walkorcycleasmuchaspossible.Notonlycanthesegreatwaysmakeusgetsomeexercise,buttheyaretheleast-pollutingmeansoftransport.Forshortdistances,walkingandcyclingshouldreallybey
19、ourfirstchoices.Nowadays,therearemanysharedbikesavailable.4Usepublictransportorcarpool.Ifyouneedtotravellongerdistances,publictransportisgreenest.5Youcouldalsocarpool.Thesearedesignedtosaveyoumoneyandfillupcarsthatwouldnormallybedrivenemptyontheroads.A.Treatwaterassomethingprecious.B.Learnsomethinga
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