新教材2025版高中英语课时作业十三Unit3ConservationPartⅠTopicTalk北师大版选择性必修第一册

课时作业(十三)Unit3PartⅠTopicTalkⅠ.阅读理解AWhenIwasinthethirdgrade,wehadahuntatschool.Wegatheredupchalk，pencils，stones,andsoon,rapidlyfillingourchecklists.Itwasaverycloserace.IwasoutofbreathwhenIreachedtheclover(三叶草)patchinsearchofthelast,mosthard­to­finditem:afour­leafclover.IwasprettysurethatIwasgoingtowin.Ihavealwaysbeenabletofindfour­leafclovers.Ijustsawthem.Ispentmychildhoodcollectingandpressingfour­leafcloversintobooksatmymother'shouse.Istartedwithbigclothandleather­boundbooks.WhenIranoutofromanticallyboundvolumes,IbegantoputmytreasuresintoanythingIcouldfind:fictionpaperbacksandcookbooks.Thesameistrueinmyhousetoday.Shakeabook,andapaperytreasurejustmightfallintoyourhand.Afewyearsago,inNovaScotia,myhusbandandIpulledofftheroadforapicnic.Thegroundwasthickwithclover.Someshootshadfour,five,evensixleaves.Ilinedthemuponthepicnictabletoadmireasmyhusband,neveryethavingfoundonefour­leafclover,lookedoninawe.Tome,itwassimple.Thedifferencesintheirshapespoppedout,breakingtheprettypatternoftheconventionalcloverwiththeirthreeperfectleaves.Twosummersback,whilewaitingforanairportshuttleinMunich,Ifoundatinyfour­leafcloverinatrafficcircleandputitintomypassport.Onthewayhome,myhusbandandIwereupgradedtobusinessclass.Friendsattributedourgoodlucktotheclover.Ithink,it'smorelikelythatwewereupgradedbecauseakindcustomerserviceofficertookpityonus.Peopledisagreeaboutwhethertheluckliesinthefindingorinthepossessionofafour­leafclover.Somebelievethattheluckislostifthefour­leafcloverisevenshowntosomebodyelse,whileothersthinktheluckdoublesifitisgivenaway.Ibelievethatpositivityisincreasedbysharing.Ifeelluckytofindthecloverssooften,butIdon'tthinktheyinfluencemylifeanymorethanitdoestoshareanythingalittlespecial—thatmomentaryclosenessbetweenyouandafriendorastranger,asyouallleanintowonderatararefind.1．Whycantheauthornoticefour­leafcloverssoeasily?A．Shealwayshasgoodluck.B．Shehasaspecialgiftforplants.C．Shepracticedalotinherchildhood.D．Shecantellthepatterndifferences.2．Howdoestheauthordealwithherfour­leafclovers?A．Sheoftengivesthemaway.B．Sheleavesthemeverywhere.C．Shetreatsthemwithspeciallove.D．Sheadmiresthemwithherhusband.3．Howdoestheauthorunderstandluckandclovers?A．Theclosenessbroughtbycloversreallycounts.B．Cloverswillinfluenceone'sgoodluckalot.C．Goodluckmeansfindingorowningaclover.D．Goodluckmaydoubleifyougivecloversaway.4．Whatmaybethebesttitleforthepassage?A．HuntingCloversB．SharingCloversC．NotJustforLuckD．JustforLuckBAdragonflybarelyaninchandahalflongappearstobetheanimalworld'smostproductivelongdistancetraveler—flyingthousandsofmilesoveroceansasitmigratesfromcontinenttocontinent—accordingtoanewlypublishedresearch.Biologistswholedthestudysaytheevidenceisinthegenes.Theyfoundthatpopulationsofthisdragonfly,calledPantalaflavescens,inTexas,easternCanada,Japan,Korea,India,andSouthAmerica,havegenessosimilarthatthereisonlyonelikelyexplanation.Apparently—somehow—theseinsectsaretravelingdistancesthatareextraordinarilylongfortheirsmallsize,breeding(繁殖)witheachother,andcreatingacommonworldwidegenepool.Buthowdoinsectsfromdifferentcontinentsmanagetomeetandhookup?Waresaysitappearstobethewaytheirbodieshaveevolved.“Thesedragonflieshaveadaptationssuchasincreasedsurfaceareasontheirwingsthatenablethemtousethewindtocarrythem.”Dragonflies,infact,havealreadybeenobservedcrossingtheIndianOceanfromAsiatoAfrica.“Theyarefollowingtheweather，”saysDanielTroast,whoanalyzedtheDNAsamplesinWare'slab.“They'regoingfromIndiawhereit'sthedryseasontoAfricawhereit'sthewetseason,andapparentlytheydoitonceayear.”WetnessisamustforPantalatoreproduce,andthat,saysWare,iswhytheseinsectswouldbedriventoevenattemptsuchadangeroustrip,whichshecallsa“kindofsuicide.”Thespeciesdependsonit.Whilemanywilldieontheroute,aslongasenoughmakeit,thespeciessurvives.Forthemoment,thedetailsofthisextraordinaryinsecttravelareabesteducatedguess.Muchmoreworkisneededtobringmanylooseendstogether.WareandTroasthopethatscientistscanworkonplottingthoseroutes.5．WhatprovesPantalaflavescensaretheworld'slongest­distanceflyers?A．Scientistshavetrackedthedragonflyacrosstheworld.B．TherearemanyPantalaflavescensinvariouscontinents.C．ThesamedragonflywasfoundbothinAsiaandAmerica.D．Pantalaflavescensindifferentcontinentshavesimilargenes.6．WhathelpsPantalaflavescensflyoversolongdistance?A．Theirspecialbodyshape.B．Theirabilitytousewind.C．Theirsmallandlightbodys.D．Theirlargeandstrongwings.7．WhatisnecessaryforPantalaflavescenstoreproduce?A．Dampweather.B．Enoughsunshine.C．Dryenvironment.D．Warmnests.8．Whatdoestheunderlinedword“it”inParagraph5referto?A．Theweather.B．Theinsect.C．Thewind.D．Thetrip.Ⅱ.七选五TheAmericanbookWhoMovedMyCheesehasbeenabestsellerallovertheworld.Ittellsastorywhichhappenedbetweenmiceandpeople.__1__Thebooktellsusthatwhenfacingchangesinourlives,likeanewschoolornewfriends,don'tbeafraid.__2__Thebookgivesanexampleofachangeatschool.Aschoolischangingfromhavingtwotermstothreetermsbecausetherearetoomanystudents.Severalteenagersaretalkingaboutthis.Mostofthemareunhappyandworried.ButChrislaughsandtellsastoryabouttwomice,two“littlepeople”andsomecheese.Thefourareinamaze(迷宫)lookingforthecheese.Here,cheesemeanssomethingimportantinlife,likemovingtoanewclassorgettingintocollege.__3__Themicerealizethattheycan'tchangewhathashappenedandhavetofindmorecheese.Thismeansfindingdifferentdreams.Thelittlepeople,however,can'tdothis.__4__AfterChrisfinishesthestory,hisfriendsunderstandonething:__5__Hisfriendsunderstandhowthiscanbeusedinthechangesallteenagersface,suchasdoingwellatschoolorhavinggoodrelationshipsorjustfeelinggoodaboutyourself.A．Iboughtonelastweekandfounditveryinteresting.B．Instead,usethesechangestomakeabetterlife.C．However,somestrangethingshappenedinaschool.D．ItsauthorSpencerJohnsonhaswrittenthebookjustforteenagers.E．Togetmorecheese,moveinanewdirectionquickly.F．Buttheyfindthecheeseisgone.G．Theyareafraidofchangessotheyfindnocheese.课时作业(十三)Ⅰ.阅读理解A【语篇解读】文章属于记叙文。作者从小到大始终喜爱收集四叶草，并能够比别人更简单地找出四叶草。有些人认为，假如四叶草被展示给别人看，运气就会丢失；而另一些人则认为，假如将四叶草送给别人，运气就会加倍。作者信任共享会增加主动性，找到四叶草并和别人共享的那种密切感才是重要的。1．答案与解析：D细微环节理解题。由第四段中Tome,itwassimple.Thedifferencesintheirshapespoppedout,breakingtheprettypatternoftheconventionalcloverwiththeirthreeperfectleaves.可知，它们形态的差异会突显出来，打破了传统三叶草漂亮的形态。所以作者能辨别三叶草和四叶草的形态的区分。2．答案与解析：C推理推断题。由第三段可以看出作者特别乐于收集四叶草；第五段中介绍了作者在机场望见一片小的四叶草也会夹在护照里；在作者眼中，四叶草是她的“treasure”并乐于向丈夫、挚友共享。由此可以推断出作者对四叶草有着特殊的爱。3．答案与解析：A细微环节理解题。由最终一段中Idon'tthinktheyinfluencemylifeanymorethanitdoestoshareanythingalittlespecial—thatmomentaryclosenessbetweenyouandafriendorastranger,asyouallleanintowonderatararefind.推断出作者认为四叶草带来的密切感才是重要的。4．答案与解析：C主旨大意题。作者通过自己的经验，旨在表达并不只是四叶草能带来幸运，找到四叶草并和别人共享的那种密切才是最重要的。故C选项“不只是运气”为短文的最佳标题。B【语篇解读】文章属于说明文，介绍了一种长途飞行的蜻蜓Pantalaflavescens。这种蜻蜓冒险长途飞行的缘由是它的繁殖须要潮湿的气候。5．答案与解析：D推理推断题。依据其次段内容可知，领导这项探讨的生物学家说基因就是证据。Pantalaflavescens蜻蜓在不同的洲有可能留有后代，才会有相像的基因。反过来，在不同的洲有共同的基因，证明白它们曾飞到过那儿，也就证明白这种蜻蜓是长途飞行者。6．答案与解析：B推理推断题。依据第三段中的Thesedragonflieshaveadaptationssuchasincreasedsurfaceareasontheir