2025届陕西宝鸡市七下英语期中联考模拟试题含答案

2025届陕西宝鸡市七下英语期中联考模拟试题满分120分，时间90分钟一、完形填空(10分)1、

Thereisazooinourcity.Myparentsoftentakemethere___1___weekends.Ilikeanimals.Ihave___2___toyanimalsinmyroom.Inthe___3___,Icanseetigers,elephants,monkeys,pandas,bears,snakes,andmanyother___4___.Someanimalsarefriendly,butsomearenot.Tigers,bearsandsomesnakesare___5___.Thatiswhytheyhavetostayin___6___.ButIdonotthinkitisgoodforanimalstostayincages.Theyshouldbefree.Theanimalsincagescan’tbe___7___.Ithinkthemostinterestinganimalsinthezooisthedolphins.Ilike___8___themswimandjump.Theyswimsofastandjumpsohigh.Theycanplaywithaball.Theycan___9___upandwalkonwater!Theyarevery____10____topeople.Ifyoufallintowaterandcan’tswim,theymaycometohelpyou.1.A.for B.in C.with D.on2.A.alot B.lotof C.lotsof D.alotsof3.A.zoo B.park C.bank D.library4.A.tigers B.people C.friends D.animals5.A.scary B.friendly C.interesting D.ugly6.A.houses B.buildings C.cages D.ponds7.A.angry B.happy C.friendly D.boring8.A.looking B.seeing C.watching D.hearing9.A.set B.go C.put D.stand10.A.friendly B.interesting C.warm D.cold二、阅读理解（40分）2、Lookatthewomaninareddressinthepicture.HernameisYangyang.Sheisarobot.Shewasondisplay(展览)atashoppingcentreinShanghaion7thJuly2015.Doyouwanttoknowmoreabouther?Yangyanglookslikearealwoman.Sheisverybeautiful.Manypeopleareinterestedinherbecauseshecandomanythings.Shecannotonlysingbutalsodancewell.AndYangyanghasaspecialskin(皮肤).Herskinlookslikeawoman’s.Themakeroftherobotalsocomes.Hesayssomethingabouttherobot.Hesayshewillmakemorerobotsforpeopleandtherobotswillbecheap.Everyonecanbuythemandtherobotswilldomuchheavyanddifficultworkinthefuture.1.Therobotisina________.A.blackdress B.reddress C.blackskirt D.redskirt2.Therobotwasondisplayin________.A.Tianjin B.Beijing C.Chongqing D.Shanghai3.Theunderlinedword“maker”means________inChinese.A.制造者 B.参观者 C.传播者 D.展览者4.WhichofthefollowingisNOTtrue?A.Everyonecanhavearobotnow.B.Robotswillbecheapinthefuture.C.Yangyangcansinganddancewell.D.Robotswilldoheavyanddifficultwork.5.Wecanreadthepassagefroma________.A.Storybook B.dictionary C.newspaper D.guidebook3、BecauseofCOVID-19,fewerpeopleinThailandhavebeenvisitingzoos.Theanimalsaregettingalittlelonely.An11-year-oldgirlhasfoundagreatwaytocheerthemup.SeenladaSupattakesherkeyboard（电子琴）toazooonceaweektoplaypopularsongsfortheanimals.Shedressesherselfupasanalligator（鳄鱼）.“I’mplayingmusictotheanimalstohelpthemfeelrelaxed.Sotheyarenottoolonely.”shesaidonMay1,2021.Forher,it’salsoawaytopracticebeforeagroupofaudience（听众）.Itisreallyawin-winonbothsides.Heraudiencearemonkeys,hippos,zebrasandmanyotheranimals.“Wefindthattheanimalsarelistening,”Tawin,theheadofthezoosaid.“Somebecomecurious（好奇的）whileothersseemtobeenjoyingthemusic,”OnceamonkeyevenjumpedontoSeenlada’skeyboard.“▲.It’slikeheisplayingmusicwithmetoo,”thegirlsaid.1.HowdoesSeenladacheerlonelyanimalsup?A.Shegivesfoodtothem. B.Sheplaysmusicforthem.C.Sheplaysgameswiththem. D.Shedressesherselfupasananimal.2.Whatdoestheunderlinedsentence“Itisreallyawin-winonbothsides.”meaninthesecondparagraph?A.Ithelpstheanimalsalot.B.IthelpsSeenladawinagame.C.ItisgoodforSeenladaandtheanimals.D.Itisveryusefultocheertheanimalsup.3.Whichofthefollowingsentencecanbeputinthe“▲”?A.Itdoesn’tmatter. B.Haveagoodtime.C.I'msorrytoseethat. D.Thatsoundsbad.4.WecanknowScenladaisagirlfromthepassage.A.shy B.lonely C.lazy D.kind4、I’mKevin.Iwenttoabeautifulbeachwithmyfamilylastsummer.Welivedinahotelnexttothesea.Itwascleanandquiet.Westayedthereforsevendays.Everyday,wewentswimminginthesea.I’mVickers.Iwenttothemountainswithmyfriendslastweekend.Theweatherwaswarmandwet.Wetookawalkinthemountainsandsawalotofkoalasandgiraffes.Theywerecute.Therewerealsomanybeautifulflowers.MynameisSusan.TheEarthHourwasfrom8:30p.m.onMarch31st.Iturnedoffthelightandtookawalkwithmymother.Itwasgreattowatchthestarsandthemoon.Thecitywasquiet.Icouldenjoytherelaxingtime.1.WheredidKevingoonhisvacation?A.Hewenttothebeach. B.Hewenttothemuseum.C.Hewenttothemountains. D.Hestayedathome.2.HowlongdidKevinstaythere?A.Fivedays. B.Sixdays. C.Aweek. D.Amonth.3.Vickerswenttothemountainswithhis________.A.parents B.classmates C.cousins D.friends4.Vickersdidn’tsee________inthemountains.A.koalas B.tigers C.giraffes D.flowers5.HowdidSusanspendtheEarthHour?A.Shedidsomereadingathome. B.Sheturnedoffthelightandsleptathome.C.Shewenttothemovieswithherfriends. D.Sheturnedoffthelightandtookawalkwithhermother.5、Inourcountry,itisveryimportantforpeopletohaveChinesetraditionalfestivals(传统节日).Theybringloveandhappinesstous.Let’sseewhatpeoplearedoingduringthesefestivals.TodayisSpringFestivalEve.At7:00p.m.,WuMing’sfamilyarealltogetherathome.Hisgrandparentsarecooking.Hisparentsarecleaningthehouse.Heishelpingthemtocleanthetable.Anhourlater,theywillhaveabigdinnertogether.Itis9:00p.m.ontheLanternFestival.LiFangisgoingouttowatchthelanternswithhiscousins.Therearemanykindsoftigerlanternsonthestreet.Theyaresohappyandhavingagoodtime.TodayisDragonBoatFestival.Itis8:00a.m.andLiLei’sfamilyareverybusy.Hisfatherismakingzongziwithhisgrandma.Ittakesthemtwohourstofinishit.HisfamilyarewatchingtheboatracesonTVwhentheyareeatingzongzi.LingTaoandhisfamilyareinthegardennowbecausetodayisMid-AutumnFestival.TheyaretalkingwitheachotherandsharingthestoryaboutChang’e.Itisaninterestingstory.Atthesametime,theyareeatingmooncakesandwatchingtheroundmoon.1.WuMing’sgrandparentsare________onSpringFestivalEve.A.cleaningthehouse B.watchingTVC.cookingthesoup D.cookingthefood2._________ishavingagoodtimewatchinglanternsontheLanternFestival.A.LiLei B.LingTaoC.LiFang D.LingFen3.LiLei’sfamilyarewatchingboatracesonTVatabout________.A.eightinthemorning B.seveninthemorningC.nineintheevening D.wedon’tknow4.LingTao’sfamilyareeatingmooncakes________.A.inthegarden B.onthestreetC.athome D.atthehotel5.Fromthepassage,weknow________.A.peoplecleanupthehousebeforefestivalsB.peopleliketohavefestivalswiththeirfamilyC.peoplearealwaysspendingfestivalsoutsideD.peopledon’tliketohavefestivalswiththeirfamily三、补全对话（10分）6、请通读下面对话，根据对话内容，从文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。Jim:Hello.ThisisJim.Lisa:Hi,Jim.____1____Jim:Oh,hi,Lisa.____2____Lisa:Iamdoingmyhomework.Howaboutyou?Jim:I’mlisteningtoaCD.It’skindofboring.Let’sgotothezoo.Lisa:Goodidea!____3____Jim:Iliketigers.Lisa:Tigers?Whydoyoulikethem?Jim:____4____Lisa:Wherearetheyfrom?Jim:TheyarefromAfrica.Lisa:____5____Jim:Let’smeetatmyhomeathalfpastfour.Lisa:OK.Seeyouthen.A.Whenandwheredowemeet?B.Whatanimalsdoyoulike?C.ThisisLisa.D.Howfarisit?E.Whatareyoudoing?F.Becausetheyarestrongandcool.四、短文填空（10分）7、

以下是一则短文，请阅读短文，并从下列方框里的六个句子选择五个，还原到原文中，使原文的意思完整、连贯。Confidenceisveryimportant.Itcanhelpyoudevelopahealthyattitude.____1____Theymayhavemorechancestobecomesuccessful.Buthowcanwebemoreconfident?Herearesomesuggestions.Speaklouder.Whenyouarenotconfident,it’shardtodowhatyouwanttodowell.____2____Trytospeakloudenoughsopeoplecanhearyouclearly.Yourvoicecanhelpyoubecomemoreconfident.Playsports.Physicalexercisemakesyoutired,butcompletelyrelaxed.Astrongbodyhelpsyoubefullofconfidence.____3____Writedownalistofthingsyoudidduringthedaytoseehowmanythingsyoudidwell.Didyoufinishyourhomework?Didyoutellajokethatmadeeverybodylaugh?Giveyourselfpraiseforthegoodthingsyou’vedone.Getridof（消除）fear.____4____Butit’seasytoovercomeifyouunderstandthatfailureispartoflife.Don’thideinyourheadjustbecauseyousaidsomethingstupidonce.Trytostartagainandbelieveyoucandobetter.Pickupahobby.Ifyoulikesinging,singasmuchasyoucan.____5____Anditwillmakeyouhappyandconfident.A.Encourageyourself.B.Feargoesalongwithfailure.C.Insomeways,ahobbycanmakeyououtstanding.D.Speakinaloudvoicesothatpeoplecanunderstandyoubetter.E.Otherpeoplecanhardlyhearyouifyouspeakinalowvoice.F.Studiesshowthatpeoplewhoaremoreconfidentaremuchhappier.五、语法填空（10分）8、

通读下面短文，掌握其大意，然后按照句子结构的语法性和上下文连贯的要求，从每题所给的三个选项中选出一个最佳答案。Whoisyourfavoritestarintheworld?Forme,IlikeYuanLongpingbest.YuanLongpingisoneof___1___scientistsintheworld.Hewasborninapoorfamilyin1930.Hestudiedhardand___2___goodatswimminginseniorhighschool.Hefinishedhisuniversityin1953.Afterthat,YuanbegantoworkasateacheratafarmschoolinAnjiang.Inthe1960s,manypeopledied___3___theydidn’thaveenoughfoodtoeat.“___4___canIhelppeopleoutofhunger?”hethought.So,hedecided___5___togrowrice.In1973,hesuccessfullygrewanewkindofricecalledhybridrice(杂交水稻).Hybridriceis___6___strongplant.It___7___make20%morericethananyotherrice.Today,halfofChina’sriceplantsareYuan’sspecialhybridrice.Yuaniscalledthe“FatherofHybridRice”.Unluckily,___8___May22nd2021,this91-year-oldmandied.___9___badnewsitwas!YuanLongping’sworkfortheChinesepeoplemadehimaheroinChina.WeChinesepeople___10___himforever.Eventheworldwillneverforgethim.1.A.thegreatest B.great C.greater2.A.is B.be C.was3.A.and B.or C.because4.A.How B.When C.Why5.A.learning B.tolearn C.learns6.A.the B.a C.an7.A.must B.should C.can8.A.in B.on C.at9.A.What B.Howa C.Whata10.A.remember B.willremember C.remembered六、阅读表达（10分）9、

Tonyisayoungman.HeisgoingtoShanghaionMother’sDay.Lookatthethingsinhisbag.Thisisaraincoat.ItoftenrainsinShanghai.Hereishiswallet.Hismoney,IDcardandairticketareallinit.Thisisacoat.Itwillkeephimwarm.Hereisaboxofchocolates.It’sapresentforhismother.Hismotherlivestherealone.HewillarriveinShanghaiat5:00inthemorning.Questions1.WhenistonygoingtoShanghai?______________________________________________________2.WhatistheweatherlikeinShanghai?_____________________________________________________3.What’sinthewallet?______________________________________________________4.WhoislivinginShanghai?______________________________________________________5.Whattimewillthespeakerarriveinshanghai?______________________________________________________七、书面表达（20分）

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参考答案一、完形填空(10分)1、1.D2.C3.A4.D5.A6.C7.B8.C9.D10.A【解析】【导语】本文是一篇说明文，主要介绍了动物园里的各种动物。【1题详解】句意：我父母经常在周末带我去那里。for用于一段时间之前；in用于年、月和季节之前；with和……一起；on用于具体的某一天或星期几之前。onweekends，在周末，固定搭配。故选D。【2题详解】句意：我的房间里有很多动物玩具。alot很多，大量，修饰动词或者形容词的比较级；lotof错误表达；lotsof很多，修饰可数或不可数名词；alotsof错误表达。此处修饰名词短语toyanimals，应使用lotsof。故选C。【3题详解】句意：在动物园里我可以看到老虎、大象、猴子、熊猫、熊、蛇和许多其他动物。zoo动物园；park公园；bank银行；library图书馆。根据上文“Thereisazooinourcity.Myparentsoftentakemethere...”可知，父母经常带我去动物园看动物。故选A。【4题详解】句意：在动物园里我可以看到老虎、大象、猴子、熊猫、熊、蛇和许多其他动物。tigers老虎；people人们；friends朋友；animals动物。根据句中“Inthe…Icanseetigers,elephants,monkeys,pandas,bears,snakes,andmanyother...”可知，在动物园里不止是能看到老虎、大象、猴子、熊猫、熊、蛇，还能看到其他动物。故选D。【5题详解】句意：老虎、熊和蛇是很可怕的。scary可怕的；friendly友好的；interesting有趣的；ugly丑陋的。根据上文“Someanimalsarefriendly,butsomearenot.”可知，有些动物很友好，但有些不友好。由此推断，老虎、熊和蛇是不友好的，它们很可怕。故选A。【6题详解】句意：那就是为什么它们必须呆在笼子里。houses房子；zoos动物园；cages笼子；ponds池塘。根据下文“ButIdonotthinkitisgoodforanimalstostayincages.”可知，此处表达是那就是为什么它们必须呆在笼子里。incages“在笼子里”。故选C。【7题详解】句意：笼子里的动物不可能会快乐的。angry生气的；happy快乐的；friendly友好的；boring无聊的。根据前句“Theyshouldbefree.”可推测出，笼子里的动物不可能会快乐的。故选B。【8题详解】句意：我喜欢看它们游泳和跳跃。looking看；seeing看见；watching观看；hearing听见。根据后句“Theyswimsofastandjumpsohigh.”可知，此处表达的是“观看”的意思，指较大注意力的观看用watch。故选C。【9题详解】句意：他们可以站起来在水上行走！set放、置；go去；put放；stand站。根据句中“andwalkonwater”可知，此处表达的是“站起来”，应使用standup表示。故选D。【10题详解】句意：它们对人很友好。friendly友好的；interesting有趣的；warm温暖的；cold冷的。根据下句“Ifyoufallintowaterandcan’tswim,theymaycometohelpyou.”可知，它们对人很友好。故选A。二、阅读理解（40分）2、1.B2.D3.A4.A5.C【解析】【导语】本文是一篇说明文，主要介绍了机器人Yangyang。【1题详解】细节理解题。根据“Lookatthewomaninareddressinthepicture.HernameisYangyang.Sheisarobot.”可知，机器人穿着红色裙子。故选B。【2题详解】细节理解题。根据“Shewasondisplay(展览)atashoppingcentreinShanghaion7thJuly2015.”可知，机器人在上海的购物中心展览，因此是上海。故选D。【3题详解】词句猜测题。根据“Hesayshewillmakemorerobotsforpeopleandtherobotswillbecheap.”可知，他说将会制作更多的机器人，因此是制造者。故选A。【4题详解】细节理解题。根据“Everyonecanbuythem”可知，文中说的是每个人都可以买他们，不代表现在每个人都拥有一个机器人。故选A。【5题详解】主旨大意题。本文主要介绍了机器人Yangyang，详细介绍了机器人能做的事情，还有制造者关于机器人的观点以及机器人的现在和将来的愿景，因此此文应当是在报纸上能看到的。故选C。3、1.B2.C3.A4.D【解析】【导语】本文是一篇记叙文。新冠疫情期间，泰国参观动物园的人越来越少，为了缓解动物们的孤独，11岁的女孩SeenladaSupat穿着鳄鱼服，在动物园为动物们演奏音乐。【1题详解】细节理解题。根据“I’mplayingmusictotheanimalstohelpthemfeelrelaxed.Sotheyarenottoolonely.”可知，SeenladaSupat为动物们演奏流行歌曲，帮助它们感到放松缓解孤独。故选B。【2题详解】词句猜测题。根据“‘I’mplayingmusictotheanimalstohelpthemfeelrelaxed.Sotheyarenottoolonely.’shesaidonMay1,2021.Forher,it’salsoawaytopracticebeforeagroupofaudience（听众）.”可知，SeenladaSupat为动物们演奏流行歌曲，帮助它们感到放松缓解孤独。对SeenladaSupat自己来说，这也是在一群观众面前练习的一种方式。所以对动物和SeenladaSupat都有好处，是一种双赢，选项C“对动物和SeenladaSupat都有好处”符合题意，故选C。【3题详解】推理判断题。根据“It’slikeheisplayingmusicwithmetoo,”可知，SeenladaSupat对于猴子跳上她的电子琴很开心，选项A“没关系”符合题意，故选A。【4题详解】推理判断题。通读全文可知，为了缓解动物们的孤独，11岁的女孩SeenladaSupat穿着鳄鱼服，在动物园为动物们演奏音乐，所以推断出SeenladaSupat很善良，故选D。4、1.A2.C3.D4.B5.D【解析】【导语】本文是一篇记叙文，主要介绍了凯文、维克斯和苏珊三人各自之前经历的事件。【1题详解】细节理解题。根据“I’mKevin.Iwenttoabeautifulbeachwithmyfamilylastsummer”可知，凯文假期去了海滩。故选A。【2题详解】细节理解题。根据“Westayedthereforsevendays”可知，凯文在旅馆待了7天即一周。故选C。【3题详解】细节理解题。根据“I’mVickers.Iwenttothemountainswithmyfriendslastweekend.”可知，维克斯和他的朋友去了山上。故选D。【4题详解】细节理解题。根据“sawalotofkoalasandgiraffes.Theywerecute.Therewerealsomanybeautifulflowers.”可知，维克斯在山上看到了长颈鹿、考拉和花，没有看见老虎。故选B。【5题详解】细节理解题。根据“Iturnedoffthelightandtookawalkwithmymother.”可知，苏珊在“地球一小时”时关闭灯光，并和妈妈外出散步。故选D。5、1.D2.C3.C4.A5.B【解析】【导语】本文为一篇记叙文。主要介绍了在中国的传统节日，人们常做的事。【1题详解】细节理解题。根据“TodayisSpringFestivalEve.At7:00p.m.,WuMing’sfamilyarealltogetherathome.Hisgrandparentsarecooking.”可知，除夕夜吴明的祖父母正在做饭。故选D。【2题详解】细节理解题。根据“LiFangisgoingouttowatchthelanternswithhiscousins.Therearemanykindsoftigerlanternsonthestreet.Theyaresohappyandhavingagoodtime.”可知，李芳在元宵节看灯笼玩得很开心。故选C。【3题详解】推理判断题。根据“Itis8:00a.m.andLiLei’sfamilyareverybusy.Hisfatherismakingzongziwithhisgrandma.Ittakesthemtwohourstofinishit.HisfamilyarewatchingtheboatracesonTVwhentheyareeatingzongzi.”可知，早上8点，李磊的家人很忙，他的爸爸正在包粽子，花了他们两个小时才包完，故包完粽子至少是上午10点了，故他的家人一边吃粽子一边看电视上的赛艇比赛，肯定发生在上午10点之后，选项A“早上8点”和选项B“早上7点”均不符合语境，故排除；选项C“晚上9点”符合语境。故选C。【4题详解】细节理解题。根据“LingTaoandhisfamilyareinthegardennow...Atthesametime,theyareeatingmooncakesandwatchingtheroundmoon.”可知，凌涛的家人在花园里吃月饼。故选A。【5题详解】推理判断题。根据“WuMing’sfamilyarealltogetherathome.”、“LiFangisgoingouttowatchthelanternswithhiscousins.”、“HisfamilyarewatchingtheboatracesonTVwhentheyareeatingzongzi.”和“LingTaoandhisfamilyareinthegardennow”可推测出，人们喜欢和家人一起过节。故选B。三、补全对话（10分）6、1.C2.E3.B4.F5.A【解析】【导语】本文是两个人在打电话，电话中谈论了彼此在做什么并相约其动物园，还谈及了双方喜欢的动物。【1题详解】根据“Hello.ThisisJim.”可知接电话人要介绍自己是谁，C项“我是Lisa。”符合语境。故选C。【2题详解】根据“Iamdoingmyhomework.”可知问对方在做什么，E项“你正在干什么？”符合语境。故选E。【3题详解】根据“Iliketigers.”可知问对方喜欢什么动物，B项“你喜欢什么动物？”符合语境。故选B。【4题详解】根据“Tigers?Whydoyoulikethem?”可知要回答喜欢老虎的原因，F项“因为它们强壮又酷。”符合语境。故选F。【5题详解】根据“Let’smeetatmyhomeathalfpastfour.”可知询问见面的时间和地点，A项“我们什么时候在哪里见面？”符合语境。故选A。四、短文填空（10分）7、1.F2.E3.A4.B5.C【解析】【导语】本文是一篇说明文，主要介绍了五条关于如何提升自信的建议——大声讲话、自我鼓励、消除恐惧和培养兴趣爱好！【1题详解】根据“Theymayhavemorechancestobecomesuccessful.”可知，他们可能会有更多成功的机会，可推测空处应是谈及什么人才能有更多的机会获得成功。选项F“研究表明更有自信的人会更加开心。”符合语境。故选F。【2题详解】根据“Whenyouarenotconfident,it’shardtodowhatyouwanttodowell.”以及“Trytospeakloudenoughsopeoplecanhearyouclearly.”可知，当你不自信的时候，做好你想要做的事很难，要尝试说话足够响亮让人们能清楚地听到你说话，可推测空处应描述不自信的时候，说话声是怎么样的。选项E“如果你低声说话，别人几乎听不到你的声音。”符合语境。故选E。【3题详解】根据“Giveyourselfpraiseforthegoodthingsyou’vedone.”可知，要表扬自己所做好事，可推测本段讲的是要鼓励自己。选项A“鼓励你自己。”符合语境。故选A。【4题详解】根据“Getridof（消除）fear.”可知，本段讲述的建议是消除恐惧，可推测空处内容与之相关。选项B“恐惧伴随着失败。”符合语境。故选B。【5题详解】根据“Pickupahobby.”可知，本段讲述的建议以是培养业余爱好，结合本段最后一句“Anditwillmakeyouhappyandconfident.”可知，这样会使你快乐和自信，可推测空处句意应是积极向上的。选项C“在某些方面，一个业余爱好可以让你变得很出色。”符合语境。故选C。五、语法填空（10分）8、1.A2.C3.C4.A5.B6.B7.C8.B9.A10.B【解析】【导语】本文主要介绍袁隆平的生平事迹。【1题详解】句意：袁隆平是世界上最伟大的科学家之一。thegreatest最伟大的，最高级；great原级；greater比较级。oneofthe+最高级+名词复数“……的……之一”。故选A。【2题详解】句意：他在高中时学习很努力，擅长游泳。is是；be动词原形；was是，过去式。根据“studiedand...”可知此处用动词的过去式。故选C。【3题详解】句意：在20世纪60年代，许多人因为没有足够的食物而死亡。and和；or或者；because因为。前后两句是因果关系，前果后因，用because引导原因状语从句。故选C。【4题详解】句意：我怎样才能帮助人们摆脱饥饿？how如何；when什么时候；why为什么。根据“canIhelppeopleoutofhunger”可知是如何帮助人们摆脱饥饿。故选A。【5题详解】句意：因此，他决定学习种植水稻。learning学习，动名词；tolearn动词不定式；learns动词单三。decidetodosth.