新教材2024版高中英语课时作业二十Unit5Intotheunknown单元素养提升外研版选择性必修第四册

课时作业(二十)Unit5单元素养提升eq\a\vs4\al(层次一)语言学问训练Ⅰ.单词拼法1．Someofthelocalsinthisareabegantoknow,sotheyweregreatly________(感爱好的)totalktome.2．Myauntsaidtomeinagentlevoice,tryingtomakemefeelnot________(抛弃)bymyparents.3．Severalarchitectswereaskedtoworkontheprojectandlater________(解雇).4．Atfirst,planebuildersleftinthestandardsquarewindowsandthis________(扩大)meantdisaster.5．Accordingtothegeneral'sorder,thesoldiers________(撤退)fromthemountainwithoutbeingnoticedbytheenemy.6．Accordingtotheprincipleofthe________(调查),intervieweesshouldgiveatruthfulanswerconsistentwiththerealityoftheirworld.7．Thehighlevelsofsoundmayaffecttheirwork.________(此外),astronautsmustfaceotherproblemsinspace.8．Havingaglassofwaterfirstinthemorninghelpsridyourbodyofpoisonous________(物质)thathavebeenstoredovernight.Ⅱ.用所给短语的适当形式填空fallintoruin,steerclearof,setout,throwoneselfinto,workout,aswith1．Don't____________us;nobodyhereisgoingtohurtyou.2．____________alltraditions,theSpringFestivalhasn'tescapedtheelectronicage,andnowithasbecomepopulartosendfestivalgreetingsandimagesviasocialmedia.3．Remindednottomisstheflightat15：30,MrArmstrong____________fortheairportinahurry.4．ThankstomyEnglishteacher,Ihave____________adetailedplantohelpmanagemytimeandhavetriedtoadoptusefullearningstrategies.5．Becauseofthefire,allthepeopleleftandthewholevillagehas____________．6．AfterTuYouyougraduatedfromPekingUniversity,she___________developinganewdrugagainstmalaria.Ⅲ.完成句子1．对生气管理不善的人更简洁在个人关系上出现问题。Peoplewithpoorangermanagement________________________withpersonalrelationships.2．直到我被选为班长，我才意识到团队合作的重要性。________________Iwaschosenmonitoroftheclass________Icametorealisetheimportanceofteamwork.3．你不须要提前预订火车票。________________________thetrainticketinadvance.4．既然跑步是保持健康最有效的方法之一，我们为什么不从现在起先尝试一下它呢？______________________runningisoneofthemosteffectivewaystokeephealthy,whydon'twegiveitatryfromnowon?eq\a\vs4\al(层次二)语言实力训练阅读理解AInsearchoffameandfortune,PortugueseexplorerFerdinandMagellan(1480—1521)setoutfromSpainin1519withafleetoffiveshipstodiscoverawesternsearoutetotheSpiceIslands.HediscoveredwhatisnowknownastheStraitofMagellanandbecamethefirstEuropeantocrossthePacificOcean.Thevoyagewaslonganddangerous,andonlyoneshipreturnedhomethreeyearslater.Althoughitwasloadedwithvaluablespices(香料)fromtheEast,only18ofthefleet'soriginalcrewof270returnedwiththeship.Magellanhimselfwaskilledinbattleonthevoyage,buthisambitiousexpeditionprovedthattheglobecouldbecircledbysea.Magellan'sdaringandambitiousvoyagearoundtheworldprovidedtheEuropeanswithfarmorethanjustspices.AlthoughthetripwestwardfromEuropetotheeastviatheStraitofMagellanhadbeendiscoveredandmapped,thejourneywastoolonganddangeroustobecomeapracticalroutetotheSpiceIslands.Nevertheless,EuropeangeographicknowledgewasexpandedimmeasurablybyMagellan'sexpedition.Henotonlyfoundamassiveoceanbutalsodiscoveredthattheearthwasmuchlargerthanpreviouslythought.Finally,althoughitwasnolongerbelievedthattheearthwasflatatthisstageinhistory,Magellan'scircumnavigation(环球航行)oftheglobeprovedthatthemedievaltheoryabouttheglobewasincorrect.1．WhydidMagellansetoutonanunknownanddangerousexploration?A．Totestthemedievaltheory.B．Tofindanewstraitenroute.C．Toobtainfameandfortune.D．Toseehowbigtheearthwas.2．WhatdoweknowaboutMagellan'sexpedition?A．Theywerebraveandstrongminded.B．Theymadegreatmoneyfromspices.C．TheywerethefirsttocrossthePacific.D．Theymadenewdiscoveriesabouttheearth.3．Whatwasthemedievaltheoryabouttheglobe?A．Itcouldbecircledbysea.B．Itwasflat.C．Itwasmassiveinsize.D．Itcouldbecoveredeasily.4．Whatcanbethebesttitleforthepassage?A．Magellan,AnAmbitiousExplorerB．ALongandDangerousExpeditionC．Magellan'sSeaRoutetoFindSpicesD．Magellan'sVoyageAroundtheWorldBScientistssayoceanseagrasscanbeavaluabletoolinfightingclimatechange.InMarch,scientistswentonanexpeditiontoanareaintheIndianOceanthoughttocontainthelargestfieldofunderwaterseagrassintheworld.Studieshaveshownthatabigbenefitofseagrassisthatitcanstoreuptotwotimestheamountofcarbonthatforestsdo.Ifseagrasscanstayhealthyandgrow,itcanremovecarbondioxide,orCO2,fromtheenvironment.TheIndianOceanexpeditiontraveledclosetotheislandnationofSeychelles.ThefieldofseagrasshereisaboutthesizeoftheEuropeannationofSwitzerland.Becausetheareaisfarfromcoastlines，ithasstayedwellprotectedfrompollutionanddiggingactivitiesthatcanharmsealife.Theseagrassisalsoclosertothesurface.Thisenvironmentprovidesshelterandrichfeedinggroundsforthousandsofdifferentoceancreatures.Researchersareusingsatelliteimagesandotherdatatoimproveseagrasssearch.Theysaidthecarbon­storingabilityofseagrasshasgreatsignificanceforworldwideeffortstolimitclimatechange.“Weareinsuchanexcitingperiod,”theysaid.Researchersestimateseagrasscoversmorethan300，000squarekilometersandspreadsacrossallcontinentsexceptforAntarctica.Theysaidtheyshouldknownotonlyhowtopreserveit,butalsotomanageittoensurethatitisprotectedforthefuture.5．Whatadvantagecanpeopletakeofseagrass?A．Stoppingclimatechange.B．Feedingoceancreatures.C．Protectingtheenvironment.D．Removingcarbondioxide.6．Whichfactorbenefitstheresearch?A．Sealife.B．Technology.C．Theexpedition.D．Climatechange.7．Whatisimpliedinwhattheresearcherssaid?A．Theywereenthusiasticabouttheroleofseagrass.B．Theyweresureseagrasscouldstopclimatechange.C．Theyfeltexcitedaboutthefutureofclimatechange.D．Theefforttoprotectseagrasswassignificant.8．Whatdoweknowfromthelastparagraph?A．Seagrassgrowsthroughoutallthecontinents.B．Scientistsknowhowtoprotectseagrass.C.Theprotectionofseagrassshouldbesustainable.D．Seagrassisimportantforourfuture.课时作业(二十)层次一语言学问训练Ⅰ.单词拼法1．intrigued2.abandoned3.dismissed4.expansion5.retreated6.investigation7.Furthermore8.substancesⅡ.用所给短语的适当形式填空1．steerclearof2.Aswith3.setout4.workedout5.fallenintoruin6.threwherselfintoⅢ.完成句子1．aremorelikelytohaveproblems2.Itwasnotuntil;that3.Thereisnoneedforyoutobook4.Giventhat层次二语言实力训练阅读理解A【语篇解读】本文是一篇说明文，介绍了葡萄牙航海家麦哲伦环球航行的历史事务。麦哲伦环球航行，不仅为欧洲航海史做出了巨大贡献，还证明白中世纪欧洲关于地球的理论是错误的。1．答案与解析：C微小环节理解题。依据第一段第一句“Insearchoffameandfortune,PortugueseexplorerFerdinandMagellan(1480—1521)setoutfromSpainin1519withafleetoffiveships...”可知，1519年麦哲伦率舰队从西班牙向西航行前往香料群岛，他的目的是追求名利，故选C。选项中的toobtain与句中的insearchof近义。2．答案与解析：D推理推断题。依据第一段最终一句“...buthisambitiousexpeditionprovedthattheglobecouldbecircledbysea.”可知，麦哲伦雄心勃勃的远征证明海洋可以环绕地球。由此推断，麦哲伦的远征对地球有了新的发觉，故选D。选项中的newdiscoveries是对句中theglobecouldbecircledbysea的总结。3．答案与解析：B微小环节理解题。依据其次段最终一句“...althoughitwasnolongerbelievedthattheearthwasflatatthisstageinhistory...”可知，在那个历史阶段，人们认为地球是扁平的，故选B。4．答案与解析：D标题归纳题。本文回顾了麦哲伦率领舰队环球航行的历史事务，赞扬了麦哲伦对欧洲航海史的贡献，因此D项能概括本文的主题。[高级语块]insearchof追求；搜寻setout动身；启航；起先beloadedwith被装满……；被满载……onthevoyage航行中providesb.withsth.向某人供应某物B【语篇解读】本文是一篇说明文，主要介绍了科学家对海草的探讨结果。探讨证明，海草储存碳的实力是森林的两倍，能起到减缓气候变更的巨大作