高中英语人教版Unit4Exploringplants 课时作业1

课时作业(十三)Unit4ExploringplantsSectionⅠWarmingup&Reading—Pre－reading(本栏目内容，在学生用书中以独立形式分册装订！)Ⅰ.阅读理解AMytriptoEcuadorLastmonthIwaspartofaprogramcalled“SustainableSummer”，whosemissionistocultivatethenextgenerationofenvironmentalleadersthroughstudy－abroadexperiencesandfield－basedlearning.TheexperiencewasunlikeanythingIcouldhavetheGalapagos，Igottoswimwithapenguinandaseaturtle，madefriendswithasealion，touchedawhite－tipshark，andsawdozensofmarineiguanasandblue－footedthemainland，Ihadawildmonkeyjumponmyhikingwasinterspersed(点缀)withtheoccasionalsheerrocktomentionhavingtribeleaderofthenativeKichwapeopletouryouaroundasmallpartoftheforestandfeedyounaturalremedies.Yetmyperspectiveshiftedduringmyadventuresinthetheexperienceswereunforgettable，theyweren’tthefocusofthegottoseefirsthandwhatisbeingthreatenedbymodernneeds.IsawtheconservationeffortsintheGalapagos，thefighttokeepitasnaturalaspossible，yetstillopentolearnedthelandandtheforestinEcuadormustbeprotected，yetitsonlymajorfinancialresourceistheoilbeneaththeAmazon.It’sveryeasytositathomeandsay，“Oh，IlovetherainforestandIsupportthemovementtoprotectit.”Meanwhile，globalenvironmentalthreatsandconcernsonlycontinuetoSustainableSummerhastaughtmeisthereisnoreasonwhyIshouldwaituntilsomeoneelsetakeschargeoftheseissuestoworkonandresolvethem.Everythingfromplantinggardens，tocomposting，tobansagainstplasticbagsmakesafrommytriptotheAmazon，I’mgoingtobringtheskillsandknowledgewithme，sothatIcanspreadawarenessaboutthethreatenedrainforestandhelpcreatemeaningfulchangeinmyownurbanwilderness.语篇解读这是一篇夹叙夹议文。作者在上个月的厄瓜多尔之行中了解到热带雨林所面临的威胁。作者认为做小事也能帮助解决环境问题。1．Whatdidtheauthordolastmonth?A．HejoinedSustainableSummer.B．Hesetupafield－basedlearningcentre.C．Hetrainedfutureenvironmentalleaders.D．Heorganizedanenvironmentalactivity.解析：根据第一段中的“LastmonthIwaspartofaprogramcalled‘SustainableSummer’”可知，作者上个月参加了一个名叫SustainableSummer的活动。故选A。答案：A2．InParagraph2，theauthoraimstotellus____________.A．hiscloserelationshipwithatribeleaderB．hisfirstcontactwithsomeseaanimalsC．hisunusualadventuresintheGalapagosD．hisimaginaryexperiencesintheGalapagos解析：根据第二段中的第一句“TheexperiencewasunlikeanythingIcouldhaveimagined”可知，本段讲述了作者在Calapagos的奇遇。所以C项正确。答案：C3．What’stheauthor’sprimaryconcernduringhistripintheAmazon?A．Thefighttokeeptherainforestnatural.B．Thethreatsmodernpeoplecausedtotherainforest.C．ThemajorfinancialresourcebeneaththeAmazon.D．TheconservationeffortsthegovernmentmadeinEcuador.解析：根据第三段中的“Whiletheexperienceswereunforgettable，theyweren’tthefocusofthegottoseefirsthandwhatisbeingthreatenedbymodernneeds”可知，作者最关注的是热带雨林所面临的威胁。答案：B4．Whenitcomestoresolvingenvironmentalproblems，theauthoragreesthat____________.A．knowledgeispowerB．tostandstillistomovebackC．hastemakeswasteD．asmallthingmakesabigdifference解析：根据最后一段中的“Everythingfromplantinggardens，tocomposting，tobansagainstplasticbagsmakesadifference”可推知，作者认为从小事做起也可以帮助解决环境问题。答案：DBAnewreportsaysGMcropswouldgreatlyimproveagricultureinpolicygroupChathamHousereleasedthesaysAfricangovernmentisunlikelytoapproveGMcrops，becauseopponentsarespreadingfearaboutitspossibledangers.“They’vecreatedanti－GMcampaignsbasedon’snoevidenceforanyofthis，”Bailey，awriterofthereport，Uganda，scientistsaredevelopingwhattheycalla“goldenbanana”．Theysayitwillbestronger，andwillhavehigherlevelsofvitaminsandmineralsthantraditionalbananas.OpponentsofGMcropsalsoarguethattheyarecostlytogrowandtheydonotproducemorethannon－GMsayGMcropsrequiremoreuseofchemicalsthantraditionalcropsandthatcompaniesthatsupportGMcropsaremoreinterestedinmakingmoneythaninhelpingpoorfarmersgrowmorecrops.TettehNarteygrowspawpaws，maizeandsomevegetablesneartheGhanaiancapitalyearGhanaapprovedatestofGMgrainslikeNarteydisagreeswiththatdecision.“Anythingthatisnotnaturalhasgotitsbaditisnotnatural，thenbeverycarefulbecauseattheendofthedaywestarttakingGMproducts，butwhohasdonetheresearch？”asked’sgovernmentsaysithasputstronglawsinplacetoguardagainstproblemsfromGMcrops.SorenAmbrosesaysinordertoincreasetheamountoffood，usingGMcropsisnotagoodwaytoendfoodshortagesinAfrica.“It’snotsomuchtheproblemofproducingfood，asitistheproblemofgettingthefoodthatisproducedtothepeoplewhoneedit，”saidGuriworksatGhana’sCenterforIndigenousisworriedtheGMcropscouldforcemanyofAfrica’smillionsofsmallfarmstostopgrowingfood.“Thisisagainstoursovereignty(主权)；itisanotherformofcolonialism，”saidGuri.语篇解读本文是一篇说明文。文章主要介绍了转基因作物被引进非洲时受到的各种阻力。5．AllofthefollowingareopponentsofGMcropsexcept____________.A．BernardGuri B．SorenAmbroseC．TettehNartey D．Bailey解析：根据文章第四段中的“MrNarteydisagreeswiththatdecision”和第五段第一句中的“SorenAmbrosesays...usingGMcropsisnotagoodway”以及第五段中的“HeisworriedtheGMcropscouldforce...stopgrowingfood”可知，A、B和C都是GMcrops的反对者；而根据第二段的第一句可知，D选项是转基因作物的支持者。故选D。答案：D6．WhichofthefollowingisnotthereasonagainstGMcrops?A．GMcropswillhavelowerproductionthanthetraditionalcrops.B．GMcropsarenotnatural.C．GrowingGMcropsisn’tagoodwaytoendfoodshortages.D．Manysmallfarmsareforcedtostopgrowingfood.解析：由第三段的第一句可知，A项的表述与文章不符；由第四段中的“itisnotnatural”可知，B项是其反对的原因；由第五段中的“usingGMcrops...shortages”及“forcemany...stopgrowingfood”可知，C、D两项是其反对的原因。答案：A7．Whichmightbethebesttitleforthepassage?A．GMCropsHelpSolveFoodShortagesinAfricaB．GMCrops，aNewFormofColonialismC．AfricaGMCropsHeldBackbyFearfulStoriesD．ADebateaboutGMCropsinAfrica解析：根据文章第一段中的“ItsaysAfricangovernment...becauseopponentsarespreadingfearaboutitspossibledangers”及第三段中的“OpponentsofGMcropsalsoarguethat”可知，全文讲述的主要是由于谣言，转基因作物在非洲的种植受阻。故选C。答案：CⅡ.完形填空MyLastFirstDayofHighSchoolItseemslikejustyesterdaywhenIwasgoingtokindergartenwithmyremembervaguelylearningabout__1__，theappearanceofanobject’soutsideedgesordayswerenotspentworryingaboutwhich__2__Iwouldbegoing，thingswerewasallaboutwhohadthenicerbackpackandifmyhairwasinpigtails.WhenIwokeupthismorningIdidnotfeelfeltasenseofisthemomentIhavewaitedforallmymoreyearandIwillbe__5__myfavoritemajor，journalism.Todaywasnotlikeanydrovewithmysistertoarethedayswhenmymomwouldtakemysisterandmetoschoolat8are__7__ourbacktoschoolandseeingeveryone__8__itwasateacherorafriendfrompreviousyears，mademethink__9__abouttheneverknew__10__Imissedthem.Everyonewashappytobebackeventhoughthestateofbeingexcitedwill__11__inthecomingwere__12__，studentswerelaughingandIwastakingitallin.ThisyearsenioryearwillbefilledwithclassesthatIaminterestedin，notclassesthatIam__14__tohaveputalotof__15__intomyfutureandcannotthinkofabetterwaytoendmylastyearofhighschool.Iamoverthemoonto__16__havetheopportunitytodowhatIwant，inaallofthis__17__，itisstillweirdtomethatIwillbe__18__inhavenoideawhatthe__19__holds，buttheonlythingthatiscertainisthatIamready.IamreadytotakeontheamIoweeverythingtomywonderfullucktoeveryoneinschoolthisyear，studyhardandenjoyit.语篇解读这是一篇记叙文。作者讲述了高中最后一学年开学第一天的兴奋感。1． B．shapesC．letters D．colors解析：根据空格后的同位语“theappearanceofanobject’soutsideedgesorsurfaces”可知，此处指形状，故选B。答案：B2． B．countryC．company D．college解析：下文谈及高三毕业后上大学，此处指没有担心要去哪所大学(college)，故选D。答案：D3． B．worseC．cheaper D．busier解析：以前不为上哪所大学感到担心，相反，我们担心的事要更加简单。空格后的“Itwasallaboutwhohadthenicerbackpackandifmyhairwasinpigtails”也是暗示，选A项。答案：A4． B．humourC．anxiety D．excitement解析：由下文中的“ThisisthemomentIhavewaitedforallmylife”以及上文中的“Ididnotfeelnervous”可知，这里表示作者感到激动。故选D。答案：D5． B．droppingC．studying D．supporting解析：一年之后作者就能学(studying)自己最喜欢的专业——新闻业。答案：C6． B．easyC．usual D．worrying解析：今天与平常不同。usual平常的，符合语境。答案：C7． B．byC．on D．for解析：onone’sown独自，单独。根据上文中的“Idrovewithmysistertoarethedayswhenmymomwouldtakemysisterandmetoschoolat8am”可知，作者开车去学校。母亲早上送她们去学校的日子一去不复返了，她们独立了。答案：C8． B．whereverC．unless D．whether解析：作者不管是看到老师还是朋友都让她想到过去。whether...or...“不管是……还是……”。答案：D9． B．happilyC．hopefully D．completely解析：作者在假期后返回学校，无论看到谁她都会愉快地想到过去的学校生活。所以happily愉快地，符合语境。答案：B10．much B．howlongC．howmany D．howoften解析：howmuch表示程度。作者很想念同学和老师们。答案：A11． B．burstC．fade D．spread解析：尽管这种兴奋状态将在未来的几周逐渐消失，但是回到学校，大家都感到很高兴。fad