浙江省金华、丽水市2025年初三线上练习测试：三角函数含答案

浙江省金华、丽水市2025年初三线上练习测试：三角函数注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。用2B铅笔将试卷类型（B）填涂在答题卡相应位置上。将条形码粘贴在答题卡右上角"条形码粘贴处"。2．作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑；如需改动，用橡皮擦干净后，再选涂其他答案。答案不能答在试题卷上。3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新答案；不准使用铅笔和涂改液。不按以上要求作答无效。4．考生必须保证答题卡的整洁。考试结束后，请将本试卷和答题卡一并交回。Ⅰ.单项选择1、–Look!Whatamessitisinyourroom!–Sorry,Iwill______myschoolthingsandtidyitrightnow.A．putup B．putout C．putaway D．putoff2、UNICEFwas______in1946.Itworkstohelpchildrenliveabetterlife.A．setup B．putupC．pickedup D．turnedup3、Wechat____widely____bypeopleallovertheworld.Wecanchatwithourfriendsonit.A．is;usingB．are;usedC．is;used4、—Morethan30countriesattendedtheBeltandRoadForumforInternationalCooperation(“一带一路”国际合作高峰论坛)inBeijing,May14.—Really?excitingnews!A．Whatan B．What C．Howan5、—Whotheclassroomtomorrow,Tony?—Ourgroup.A．willcleanB．cleansC．cleanedD．clear6、________challengesactively,andthenyou’lltryyourbesttoovercomethemandyouwillbecomeabetterperson.A．Toface B．Face C．Facing D．Faces7、Youmustpromisemethatyou’llsurvive,thatyouwon’tgiveup,nomatterwhathappens,nomatter______hopeless.A．what B．when C．how D．who8、---ShallIlshowyou______________?---No,thanks.IthinkIcanfindit.A．whatdoesitmean B．howcanyougetthereC．wherethehotelis D．whethertheshophasasale9、____________pollutionisheavynow，Idon'tthinkit'shopeless.A．Eventhough B．Because C．Eversince D．When10、IhadabaddaylastMonday.Onmytoschool,acarhitmeandI_______mybike.Luckily,Iwasn’tbadlyhurt.A．gotoffB．setoffC．felloffD．knockedoffⅡ.完形填空11、Manyofusenjoywatchinganimalsintheworld.Butdoyouknowwhattheycanteachus?Geese(雁),forexample,teachaverygoodlessonabout1.Inautumn,geeseflytothewarmsouthto2thecoldwinter.Theyliftoffinnoorder.Yet3theyformaVshape,withonebirdleadingthegroup.ThisVshapeallowsgeeseto4energy.Whenthefrontbirdmovesitswingsupanddown,theresultingforce(合力)oftheairliftsthenextone.Thiscontinuesdowntheline.Thebird5hasthehardestjob.Whenitgets6,itmovesbehind,andanotherbirdmovesintothelead.Bysharingtherole,thegroupcantravellongways.GeeseflyinginaVshapecanfly70percentfartherwithout7thanbirdsflyingalone.Duringthelongflyingjourney,geesecommunicatewithoneanother.Theyhonk(鸣叫)to8thebirdsupfronttokeepupthespeed.Theyalsocheereachotherup9workingtowardacommongoal.Whathavewelearnedfromthelovelygeese’sexperienceandskills?10together!Whetheritisourpersonallivesorourjobs,weneedotherpeople.Weneedthespiritofteamwork.1．A．experienceB．successC．friendshipD．teamwork2．A．lookforB．getawayfromC．waitforD．goon3．A．busilyB．quicklyC．bravelyD．suddenly4．A．saveB．wasteC．createD．lose5．A．infrontB．atthebackC．inthemiddleD．ontheleft6．A．boredB．tiredC．scaredD．thirsty7．A．restB．sleepC．excuseD．result8．A．leadB．liftC．teachD．encourage9．A．untilB．afterC．whileD．before10．A．PlayB．TravelC．LiveD．WorkⅢ.语法填空12、Whodesignedthefirsthelicopter(直升飞机)?Who1．(draw)oneofthemostfamouspicturesintheworld?Whoknewmoreaboutthehumanbodythanmost2．(doctor)did?Thereisananswer3．allthesequestions---LeonardodeVinci.LeonardolivedinItalyaroundtheyear1500,butmanyofhis4．(invent)seemmoderntoustoday.Forexample,oneofhisnotebookshasdrawingsofahelicopter.Ofcourse,hecouldn’tbuild5．helicopterwiththethingshehad.Butscientistssayhisideawouldhaveworked.That’swhyhewasconsidered6．(be)ageniusthathaseverbeenknown.ButLeonardowasn’tjustaninventor.Hewasoneofthe7．(great)artistsofhisday.Whenhewasonlytwentyyearsold,he8．(call)amasterpainter,andashegotolderhebecameevenmorefamous.Sometimeshedrewahandintendifferentways9．hewasreadytopaint.ManyofLeonardo’swonderfulpaintingsarestillwithustoday.Youmayknowoneofhismostfamousworks---the10．(smile)womanknownastheMonaLisa.Ⅳ.阅读理解A13、Therewasalovelyvegetablepatch(菜园).Alargetreegrewthere.Boththepatchandthetreegavetheplaceawonderfullook,andtheyweretheprideofthegardener.Butnooneknewthatthevegetablesandthetreecouldn’tstandeachother.Thevegetableshatedthetree’sshadow(阴影),becauseitleftthemonlyjustenoughlighttolive.Thetree,ontheotherhand,hatedthevegetablesbecausetheydranknearlyallthewater,leavinghimjustenoughtolive.Thesituationbecamesoseriousthatthevegetablesdecidedtouseupallthewaterinthegroundsothatthetreewoulddie.Thetreeansweredbackbynotprotectingthevegetablesfromthehotsun,sotheybegantodryup.Soonthevegetableswerereallyweak,andthetreewasdryingup.Thegardenerwonderedwhyandstoppedwateringthem.Whenhedidthat,boththetreeandthevegetablesrealizedthatitwasbettertohelpeachother.Theylearnedhowtolive_____withthosearoundthem.Sotheydecidedtoworktogether,usingboththeshadeandthewatertogrowwell.Afterseeinghowwelltheyweredoing,thegardenergavethebestcaretohisvegetablepatch,wateringandfertilizing(施肥)itbetterthananyotherpatchformilesaround.根据短文内容，选择最佳答案，并在答题卡上按要求作答。1．Whydidn’tthevegetablesandthetreegetonwellwitheachother?A．Becausethevegetableswantedmorelight.B．Becausethetreedrankalmostallthewater.C．Becausethevegetablesweren’ttheprideofthegardener.D．Becausethevegetablesdidn’tlookaswonderfulasthetree.2．Fromthepassageweknow.A．ThevegetablesweresorrytoseethetreedryingupB．ThegardenerwasveryangrywiththevegetablesandthetreeC．Thegardenerdidn’tknowwhatwashappeninginthepatchatfirstD．Thetreedidn’tknowhowimportantthesunwastothevegetables3．Theunderlinedphrase“inharmony”means“”inChinese..A．长久地B．小心地C．有效地D．和谐地4．Whatisthebesttitleforthepassage?A．Thetreeandthevegetables.B．Thetreeandthepatch.C．Thegardenerandhispatch.D．Sunlightandwater.5．Whatcanwelearnfromthepassage?A．Weshouldtakegoodcareoftreesandvegetables.B．Onecanlivealonewithoutanyhelp.C．Weshouldgetonwellwithothersaroundus.D．Bothtreesandvegetablesharmedeachother.B14、Day1Activities:Onarrival,yourguidewilltakeyoutoyourhotelandgiveyousometipsonlocalrestaurants.Youcandosomeshoppingnearby.Therestofthedayisfree.Meals:dinnerDay2Activities:Afterbreakfast,startatTian’anmenSquare,theworld’slargestpublicsquare,andTheForbiddenCity,alivingplaceforemperorsoftheMingandQingdynasties.Afterlunch,visittheTempleofHeaven,wheretheemperorsprayed.Intheevening,enjoyagoodshowofShaolinKungfu.Meals:threemealsDay3Activities:Afterbreakfast,drivetotheGreatWall.Besides,takeawalkintheworld’sbiggestOlympicPark,likeBird’sNestandWaterCube.Finally,visittheSummerPalace,themostbeautifulgardeninChina.Haveaboatrideonthelake,enjoyingthebeautifulview.Meals:threemealsDay4Activities:Freeuntilyouaretotheairportintheafternoon.Iftimeallows,youcangotothefamousXiushuiStreet(silkmarket).ItisagoodplacetoshopforChinesegoodsandsouvenirs.Meals:breakfast1．Howmanymealsareservedduringthe4-daytrip?A．Four.B．Six.C．Eight.D．Ten2．Whatcanwelearnfromthepassage?A．Therearetwoperiodsoftimewhenwearefreetodothingswelike.B．WecanvisittheGreatWallandtheForbiddenCityonthesecondday.C．WecangoandseetheTempleofHeavenandBird’sNestonthethirdday.D．It’scertainthatwecangettimetobuysomesouvenirsinthefamousXiushuiStreet.3．Thepassageismostlikelytobetakenfrom.A．atravelguideB．aninstructionC．anadvertisementD．anewspaperC15、IwastellingmyboySonnythestoryofthehareandthetortoise.AttheendIsaid,“Son,remember:Beslowandsteady,andthatwillwintherace.Don’tyouthinkthere’ssomethingtolearnfromthetortoise?”Sonnyopenedhiseyeswide,“DoyoumeannexttimewhenI’menteringforthe60-metreraceIshouldwishthatBilly,TonyandSandywouldallfallasleephalfway?”Iwasshocked,“Butthetortoisedidn’twishthattheharewouldfallasleep!”“Hemustwishthatalready,”Sonnysaid,“Otherwisehowcouldhebesofoolishastoracewiththehare?Heknewverywellthehareranahundredtimesfasterthanhehimselfdid.”“Hedidn’thavesuchawish,”Iinsisted.“Hewontheracebypushingonsteadily.”Sonnythoughtawhile.“That’salie,”hesaid.“Hewonitbecausehewaslucky.Iftheharedidn’thappentofallasleep,thetortoisewouldneverwintherace.Hecouldbeassteadyasyoulike,orahundredtimessteadier,buthe’dneverwintherace.That’sforsure.”Igaveup.Today’schildrenarenotlikewhatweusedtobe.They’rejusthopeless.1．Thewriterarguedwithhissonbecause______________.A．helikedtortoiseswhilehissonlikedharesB．theydisagreedaboutwhetherthetortoisewasfoolishC．hetriedtoteachhissonalessonbutthesonhadtotallydifferentopinionD．helikedthestoryofthehareandthetortoisewhilehissondidn’t.2．Sonnybelievedthatthetortoise______________.A．wontheracebyhisownhardworkingB．tookariskbyagreeingtorunaraceC．wasnotgivenafairchanceintheraceD．infactdidwintheraceluckily3．Billy,TonyandSandymustbe_______________.A．boyswhowereunknowntoSonny’sfatherB．boyswhoSonnyhasrunraceswithbeforeC．boyswhoSonnyhasneverracedwithbeforeD．boyswhoSonnydidnothopetoracewithagain4．Accordingtothepassage,whodoyouthinklearntalesson?______________.A．Thetortoise B．SonnyC．Thehare D．Sonny’sfatherD16、“Inmyday,wehadtowalkamiletoschool—uphill,bothways.”Thatmaysoundlikeanoldjoke.Today,only13percentofkidswalktoschool,downfrom66percent30yearsago.Studiesshowthatfewerchildrenarewalkingandbikingtoschool,andmorechildrenareatriskofbecomingoverweight.Changingbehaviorsofchildrenandparentsrequirecreativewaysthataresafeandfun.Awalkingschoolbuscanbeboth.Itworkslikeabus,pickingup‘passengers’alongthewayatdesignated(指定的)‘busstops’excepteveryoneiswalking!TheWalkingSchoolBusworksasasupervisedgroupofchildrenwalkingtoandfromschoolalongasafeandenjoyablesetroute.Thereareatleasttwoparentsinagroup.Oneparent‘drives’atthefrontofthebus,whiletheotherparentsupervisesattheback.Thesameofdifferentsupervisorsgowiththechildrentoandfromschool.Additional(增加的)parentsmaybeneededdependingonthewalkingenvironment.The‘bus’cangoasoftenasparentswantto‘drive’itandchildrenwanttouseit.Thismeansthatitcanevenworkaslittleasonemorningorafternooneachweek.Allchildrenarewelcometojointhebuseveniftheirparentscannotbedrivers.Andtheserviceisfree.Socially,it’sgreatbecausethechildrenmeetotherchildren,otherwisetheywouldonlyknowbysight.“MychildrenhaveformedsomegoodfriendshipsbecauseoftheWalkingBus.Theparentsgettoknowotherparentstoo!”aparentsaid.“FromourexperienceoftheWalkingBus,ithasonlybeenameaningfulthing.Itgetsallofuswalkingmoreandthechildrendonotcomplainaboutwalkingliketheyusedto.”Somekidssaidcomparedtowalkingschoolbus,it’sboringinacarwhentheywereaskedwhynotgetintoacar.Besidesthese,itmighthaveagoodeffectonheavytraffic.1．Howmanystudentswalkedtoschool30yearsago?A．66percent. B．13percent. C．30percent. D．53percent.2．Whatdoestheunderlinedword“supervised”meaninthepassage?A．controlled B．explored C．required D．improved3．WhatcantheWalkingSchoolBusNOTdotohelpthechildren__________.A．makemorefriends B．reducetheriskofbeingoverweightC．exercisemore D．complainaboutwalking4．Thebesttitleofthispassageis“__________”.A．Anewwaytoexercise B．AnewschoolbusC．Awalkingschoolbus D．Parents’drivingschoolbusE17、Oneday,Agoodwomansaidsomethingthathurtherbestfriendofmanyyears.Sheregretteditimmediatelyandwantedtodosomethingtotakethewordsback.Toundo(撤销)whatshehaddone,shewenttoanold,wisewomaninthevillage,explainedhersituationandaskedforadvice.Theolderwomanunderstoodtheyoungerwoman’spain.Sheknewshecouldneveralleviatethepain,butshecouldteachher.Shesaid,“Tonight,takeyourbestfeatherpillowandputsinglefeatheronthedoorstepofeachhouseinthetownbeforethesunrises.”Theyoungwomanhurriedhometoprepareforthem,eventhoughthefeatherpillowswereverydeartoher.Allnightlong,shewasbusyaloneinthecold.Finallysheplacedthelastfeatheronthestepofthelasthousebeforedaybreak.Justasthesunrose,shereturnedtotheolderwoman.“Now,”saidthewisewoman,“Gobackandrefill(回填)yourpillowswithfeathersyouhaveputonthesteps,andtheneverythingwillbeasitwasbefore.”“Youknowthat’simpossible!ThewindblewawayeachfeatherassoonasIplacedthemonthedoorsteps!”theyoungwomanwassurprised.“That’strue,”saidtheolderwoman.“Neverforget.Eachofyourwordsislikeafeatherinthewind.Oncespoken,noamountofeffort,regardlesshowheartfelt(发自内心的)orsincere,canneverreturnthemtoyourmouth.Chooseyourwordswiselyandtreasurethepeopleyoulove.”1．Thewomanwenttovisittheolderwomaninthevillage.A．tohaveachatwithher B．toundowhatshehaddoneC．togivehersomething D．toborrowsomethingfromher2．Theunderlinedword“alleviate”hereprobablymeans.A．produce B．increase C．reduce D．make3．Thebesttitleofthispassagecanbe“”.A．LearntoSayBeautifulWordsB．It’simpossibletoTakeBackWhatYouHaveSaidC．Don’tHurtOurFriendsD．FeathersAreEasytoBeBlownAwayF18、A15-year-oldstudentwhoinventedaflashlight(手电筒)gettingpowerfromtheholder'sbodyheatisgoinghometodayfromCaliforniawithabigprizeandachancetodofurtherresearch.AnnMakosinskiwastheonlyCanadianamongthefourwinnersatGoogle'sinternationalsciencecompetition.Thousandsofyoungscientistsfromaroundtheworldtookpartinthecompetition.Winningthescienceandtechnologycompetitionwas"asurprise".Annsaid,"Ithinkitwillhaveagreatinfluenceonmyfuture."Annthankedherfamilyforencouragingherinterestinscienceandsaidthatherfirsttoywasaboxoftransistors(晶体管).Ann'sprizeincludes$25,000anda"onceina-lifetimeexpericnce"fromGoogleforherHollowFlashlight,whichhasnomovingpartsorbatteries.Theideafortheinventioncamefromseeingunwantedbatteriesandherfriend'sexperience.WhenAnnvisitedafriendinthePhilippines,shesawthefriendcouldn'tstudywhenitbecamedarkbecausetherewasnoelectricityorlight.Shesawtheneedforaflashlightthathasnobatteries-HollowFlashlight.Inherproject,Annwrote"Imadetwoflashlightsthatdonotuseanybatteriesorharmfulmaterials.Theydonotcreateanynoiseandwillalwayswork.Theflashlightneedsatleasta5℃temperaturedifferencebetweentheholder'sbodyandtheenvironmentaroundtoproducelight."AvideoofAnnexplaininghowshecreatcdtheflashlighthasbeenwatchedmorethan1.4milliontimesontheInternet.ThoughAnnwassuccessful,shehasnotmadeadecisionabouthercareerpath.Annhopesthatshecanfindawaytojoinherloveoffilmandsciencetogether.Thefourwinnerswerechosenfrom15finalcompetitorsfromeightcountries.Thecompetitionattractedthousandsofstudentsin120countries.1．Inwhichpartofanewspapercanweprobablyreadthispassage?A．Travel.B．Culture.C．Technology.D．Advertisement.2．Thefirstparagraphiswrittentobea(n)________.A．introductionB．warningC．argumentD．discussion3．Paragraph6mainlytellsus________.A．whatAnnsawinthePhilippinesB．whyAnninventedHollowFlashlightC．howAnn'sfamilyencouragedherinterestD．whatprizeAnngotforHollowFlashlight4．Accordingtothepassage,welearn________.A．easytowintheinternationalsciencecompetitionB．HollowFlashlightissafe,noiselessandcansaveenergyC．