四川省广元市青川县2023年初三线上练习测试：三角函数含解析

四川省广元市青川县2023年初三线上练习测试：三角函数注意事项1．考试结束后，请将本试卷和答题卡一并交回．2．答题前，请务必将自己的姓名、准考证号用0．5毫米黑色墨水的签字笔填写在试卷及答题卡的规定位置．3．请认真核对监考员在答题卡上所粘贴的条形码上的姓名、准考证号与本人是否相符．4．作答选择题，必须用2B铅笔将答题卡上对应选项的方框涂满、涂黑；如需改动，请用橡皮擦干净后，再选涂其他答案．作答非选择题，必须用05毫米黑色墨水的签字笔在答题卡上的指定位置作答，在其他位置作答一律无效．5．如需作图，须用2B铅笔绘、写清楚，线条、符号等须加黑、加粗．Ⅰ.单项选择1、—Wateristhecheapestdrink.—Anditisalso.A．healthyB．healthierC．healthiestD．thehealthiest2、Thesesongsaregreatmoving.Theirlyricscan______girls’thoughtsandfeelings.A．expressB．discussC．expectD．imagine3、—Whatwouldyoudoifthelightsuddenlywentout?—IthinkIwould______aboutinthedarkforthecandleandmatch.A．walk B．touch C．feel D．look4、________excellentvolleyballplayerZhuTingis!Ireallylovethistalentedgirl.A．How B．What C．Whatan5、—__________isitfromyourhometoschool?—About20minutesbybus.A．Howlong B．Howfar C．Howsoon D．Howmuch6、Givemeanotherchance,______I’llgiveyouallawonderfulsurprise.A．and B．or C．so D．but7、.—Whatdidshesayjustnow?—Sheasked__________.A．thatIlikedEnglishbestB．whatiswrongwithmeC．wherewasthenearesthospitalD．ifIwouldgoshoppingwithher8、Lastweek,ourteachertoldus________moreinformationabouttheactivityof“BuildaCivilizedCity”.A．get B．got C．toget D．getting9、—MustIputonthesweater?—No,you_____.It’suptoyou.A．needn’t B．can’t C．shouldn’t D．mustn’t10、Paulcamejustattherighttime,tooearlytoolate.A．either;or B．neither;nor C．both;and D．notonly;butalsoⅡ.完形填空11、Mobikeit’sabikeshowingnetworkwhereuserssearchforaridethroughanApp.Mobike1inshanghaiattheendoflastyear.2December2016,Shanghaibecame3bike-sharecityintheworld.AndthenMobikerecentlyexpandedtoBeijing,GuangzhouandShenzhen.Theyarebecoming4popular,especiallyamongwhite-collarworkersduringrushhours.Forthatreason,alargenumberofbikes5inthestreets.Thebikeride’srecordhasreachedabouttwenty6onasingleday.Mobikeis7convenientthattheuserscanfindandleavebikeswhereverthey’dlike.Theusers8havethecompany’smobile’sAPPjustneedtousetheirphones9theQRcode(二维码)onthebike,andthenunlockthebiketobeginthetimerontheUber-esque.BesidesMobikedoesn’tuseaparkingstationinthestreet.Instead,userscan10bikesanywherewiththeapp-controlledsmartlock.11italsomeansthatuserssometimesleavetheminabadplacewhereit’shardfor12userstofindthem.Todealwiththisproblem,thefounderofMobikeandherteam13onapoints-basedsystemtopunishunrulyrides.Sharingbikesismadetoreducethepressureoftraffic.14itcanrunwell,andthepriceiskeptlow,itmaybeagreat15toprotecttheenvironment.1．A．appearedB．appearsC．,appearingD．appear2．A．AtB．OnC．InD．During3．A．thelargestB．largestC．thelargerD．larger4．A．increasedB．increasinglyC．increaseD．increasing5．A．inneedB．needC．,areneededD．needs6．A．millionsB．millionsofC．millionofD．million7．A．suchB．suchaC．soD．soa8．A．whichB．whatC．WhoD．whom9．A．scanB．toscanC．scansD．scanning10．A．parkedB．parksC．parkD．topark11．A．AndB.HoweverC．SoD．But12．A．anotherB．otherC．theotherD．others13．A．workB．workedC．wereworkingD．areworking14．A．IfB．UnlessC．ThoughD．So15．A．succeedB．successC．successfulD．successfullyⅢ.语法填空12、Thinkbeforewespeak!Itwasasunnyandenjoyableday.Everyoneintherailwaystationwaswaitingforthetrain1．(arrive).Amongthecrowd,therewasagroupofyoungfriendswhowereonboardforvacation.Itwasabusystationwithalotofpeopleandsomejuiceshops,coffeeandteastalls,newspapershops,etc.Thetrain2．(arrive)andeveryonepreparedtogetintothetraintotheirseats.Thegroupoffriendsmadeloudnoisetowelcomethetrainasitmovedintothestation.Theyrantogettheirseatsbeforeanyoneenteredthetrain.Theemptyseatswere3．(fill)andthetrainwhistled(鸣汽笛)tomove.Anoldmanwithayoungboy4．(age)around15hadtheirseatsjustnexttothefriends'group.Theyoungboywasso5．(surprise)toseeeverything.Hecheered,"Dad,thetrainismovingandthethings6．(move)backward."Hisfathersmiledand7．(nod)hishead.Asthetrainstartedmovingfast,theyoungboyagainscreamed(尖叫),"Dad,thetreesaregreenincolorandrunbackwardveryfast."Hisfathersaid,“Yes,dear,"andsmiledJustlikeakid,hewaswatchingeverythingwithgreat8．(interesting).Afruitsellerpassed9．(sell)apples,bananasandoranges.Theyoungboyaskedhisdad,"Iwanttoeatapples."Hisfatherboughtsomeforhim.Hesaid,"Oh,thisapplelooksalot10．(sweet)thanittastes.Ilovethiscolor."Thegroupwaswatchingalltheactivitiesofthisboyandaskedtheboy'sfather,"Isyoursonhavinganyproblem?Whyishebehavingso11．(different)?""Hissonismad,Ithink,"afriendfromthegroupmadefunofhimandshouted.Thefatheroftheyoungboy,withpatience,repliedtothefriends'group,“Mysonwasbornblind.Onlyafewdaysagohe12．(operate).Heisseeingdifferentthingsinhislifeforthefirsttime."TheyoungfriendsbecameveryquietⅣ.阅读理解A13、Ithinkthatagreatfriendisagreatartistwhocanchangemyfeelingaboutlifegreatly.WhenItalkaboutthepersonwhoinfluencedmemost.Imustthinkofmybestfriendquickly.WhenIwasinmyuniversity,oneofmyclassmatessatbesideme.HisnameisWangTao.Heismyunforgettablefriendinmylife.Heisgoodatstudyandhandsome.Everyoneknowsthatheisagenius(天才)ofmyuniversity.Heiskindheartedandisalwaysreadytohelpothers.Buthedoesn’tlikeotherstopraisehim,becausehethinkswhathedidiscommon.Thereisanoldsaying:Afriendinneedisafriendindeed.WangTaosetsagoodexampleinmanypartsinmylife.Irememberedthatmymathematicswasmediocreatthattime,buthewasexcellentinsolvingmathematicsquestions.Heoftenreceivedhighscores.Ofcourse,IwishedIcouldreachathislevel.Sincewetalkedalldaylong,hewaspatientandpolitetoanswermymathematicsquestions.Slowly,Imadegreatprogressinmathematics.Ipassedtheexaminationfinally.

Thenwebecamefriendsnaturally.Andnow,Istillrememberhisstrongwilltostudy.Weknowthatweliveinasociety,soweneedalotoffriends.Therearetwokindsoffriends,goodandbad,badfriendmaymakeourlifefailed,whilegoodonesmakeourlifesuccessful.Tome,WangTaoisaverygoodfriend.Ilearnedsomanyadvantagesfromhim,andIchangedmoreandmoreexcellently.Weseparatedthreemonthsago.NowImisshimverymuch,andIhopedthatourfriendshipwillcontinuetobejustasstrongafterwegraduate.1．Thewriterbelievesthatanexcellentfriend_______.A．isamanwhoworksonartB．canchangehislifeslowlyC．caninfluencehisideaaboutlifeD．mustthinkofhimquickly2．WhichofthefollowingaboutWangTaoisNOTtrueaccordingtothepassage?A．Hehasastrongwill.B．Heiswarmhearted.C．Heisgoodatmath.D．Helikesartverymuch.3．Theunderlinedword“mediocre”mostprobablymeans“_______”.A．badB．notverygoodC．thebestD．verygood4．Whatdoesthewritermainlysuggestsustodo?A．WeshouldmakegoodfriendsandlearnfromthemB．We’dbetterhavetwokindsoffriends,goodandbadC．WemustmakeourbestfriendssuccessfulD．WehavetomakelessbadfriendsB14、Havinggoodmannersisanimportantpartoflife.Youknowthatyoushouldnevershoutinpublic.Butwhataboutwhenitcomestotheonlineworld?Whenyouusesocialmediaapps,likeWeChatandSinaWeibo,youmustalsoremembertomindyourmanners.Forexample,sometimesIneedtoaddanewfriendonWechat.ButIhaven’tmethimorheryetinreallife.SowhenIsendthemafriend'sinvitation,IexplainwhoIamandhowIgottheircontactinfo(联系方式).Justlikeinreallife,thekeytokeepinggoodmannersonlineistobethoughtful.Butsometimes,peopleforgetthis.OneofmyfriendslikestosendreallylongvoicemessagesonWechat.Itisdifficulttokeepupwithallhismessagesandremembereverything.Ithinkthisisabitbad!Therearemanyotherthingsthatyoushouldn’tdoonsocialmedia.Takealookandremembertodoyourbesttobepolite.Don’tshareyourfriends’Wechatcontactinfowithstrangers.Askyourfriendfirstbeforesharing.Don’taddsomeonenewtoyourgroupchatwithoutaskingtheothermembers.Theymightnotwantnewpeopletojointhegroup.IfyouuseEnglishdon’tuseallcapitalletters.IFYOUTYPELIKETHIS,ITLOOKSLIKEYOU’RESHOUTING.DON’TDOIT.1．WhenyouuseWechat,youshould.A．makenewfriendsB．mindyourmannersC．chatwithothersD．leavevoicemessages2．Accordingtothepassage,howmanythingsyoushouldn’tdoonsocialmedia?A．One.B．Two.C．Three.D．Four.3．ThewritermayaddanewfriendonWechatbyexplaininghisown.A．addressandotherfriends’WechatB．nameandthewaysofcommunicationC．jobandnewmembers'informationD．thoughtsandthenumberofWechat4．Thepassagemainlytellsusabout.A．tablemannersonWechatB．politecommunicationonWechatC．howtojoinfriend’sWechatD．sharingfriends'information5．Thepassageprobablycomesfrom.A．astorybookB．anewsreportC．asocialprogramD．aTVplayC15、Therewasatimewhenhotsummerdaysbroughtchildrenoutdoorstolocalriverstocatchminnows(米诺鱼).Walkingincoolrushingwatertocatchthesmall,silverfishwasafunchanceonahotsummer'sday.Beforesettingoutfortheriverintheirneighborhood,however,childrenfirsthadtolookforabag.Bothboysandgirlslovedthisoutdooractivityalot.Whilereachingthesideoftheriver,thechildrenpulledofftheirshoesandsocksandputtheirfeetfirstintothecoldwater.Walkingcarefullyinthewater,theylookedfortherightplacewheretheminnowsflashed(闪光).Catchingminnowswasveryeasyiftwochildrenworkedtogether.Takingtwocornersofthebag,eachchildstoodinthewaterandslowlyloweredthebaguntilitwasatthebottomoftheriver.Then,standingverystill(静止的),thechildrenwaitedforthefishintherivertodonormalactivity.Thechildrenwouldagaingetacornerofthebagineachhandandraisethebagstraightupquickly,keepingitaslevelaspossible.Lotsoftinysilverfishwouldcoverthebag.Thejoyofcatchingminnowsisthat,oncecaught,thefisharethrownbackintothewatertocontinuetheirnaturallives.Perhapstheywillbetakenupbyotherchildrenandthenreturntotheirwateryhomeagain.Sothebagisloweredbackintotheriver,andthesmallfishswimoff.Thenthewholeprocessisrepeatedoncemoreasmoreminnowsarecaughtandthenreleased(释放).1．Whydidchildrenfirsthavetolookforabag?A．Theylookedforsomethingtoprotectthemselves.B．Theylookedforthetooltocatchfish.C．Theyhadtousethebagtotakethefishhome.D．Theyhadtousethebagtodividethefish.2．Whatdoesthesecondparagraphmainlytellus?A．Whythechildrencatchminnows.B．Whythechildrenlikeplayinginthewater.C．Whenthechildrengototheriver.D．Howthechildrencatchminnows.3．Whatdoestheunderlinedword“lowered”meaninChinese?A．把……混合 B．把……擦掉 C．把……放低 D．把……分开4．Howdothechildrendealwiththefishtheycatch?A．Theythrowthembackintothewater. B．Theytakethemhomeandcookthem.C．Theykeepthemaspets. D．Theysellthemformoney.D16、TherelivedacoupleinasmalltowninAustralia.Theladywasverytalkative(多话的).Usuallyshekepttalkingwithpeopleonthephonehourafterhourwhenshewasaloneathome.Onceinabluemoon,shehungupin30minutesAttheendofeverymonth,whenthecouplegotthetelephonebill,thehusbandwasamazedbythecostandhewassoworriedaboutthis.Theladypromisedtotalkforashortertime,butshedidn’tkeepherpromise,thoughshereallytriedhard.OneSaturdayevening,theywerediningatthetableandthephonerang.Theladystoodupimmediately.Sherantothephoneandstartedchatting.Afterabout30minutes,shehangupandcamebacktothetable.Thehusbandwashappythatshehangupin30minuteswhichwasagoodsignwhereshenormallydoesn’thungupatleastfor2hours.Soheaskedhappily,“________?”“No,itwasawrongnumber.”repliedthelady.根据短文内容选择最佳答案。1．Theunderlinedwords“Onceinabluemoon”mostprobablymean________.A．Always B．Sometimes C．Seldom2．Thehusbandwas________whenhegotthetelephonebill.A．happyandexcited B．surprisedandworried C．angryandcrazy3．Whenthetelephonerang,________.A．theladywenttoanswerthephoneatonceB．thehusbandwasnotathomeC．thecouplewerewatchingTVinthesittingroom4．WhichofthefollowingisTRUEaccordingtothe-passage?A．ThecouplelivedinasmallcityinAustralia.B．Theladyusuallyspentatmost2hourstalkingonthephone.C．ThephonecallwasfromastrangerthatSaturdayevening.5．“________”canbethemissingsentenceinthepassage.A．WasyourfriendbusysothatshebungupsosoonB．WhydidyourfatherhangupfirstC．WasityourfatheroryourfriendE17、VisasTravelerstoFrancemusthaveavalidpassport(有效护照).VisitorsfromEEC(欧共体)countriesandAmericadonotneedvisas,butvisitorsfromothercountriesshouldcontactthenearestFrenchconsulate(领事馆)ortouristofficeaboutgettingonebeforetravelling.ArrivalYoucouldarriveatoneofthetwoairportsservingParis.CharlesdeGaulleisbiggerandmoremodern.YoucantakeacomfortableandinexpensiveAirFrancebustoPorteMillotinthe16thdistrict,thentakeabus,theMetroorataxitoyourhotel.Therearealsocitybuses(No.350and351)whichgointoEasternParis,NationandtheGaredeTrainStation.Ataxitakesabout40to50minutestoreachthecentre,andcostsabout170Francs.Addanother30minutesforrushhours.Orlyistheothermajorairport,whichhavemostlydomestic(国内的)flights.AirFrancebusesgototheInvalidesTerminal,aconvenientdropoffplace,whereyoucantaketheMetroorRERdirectly.Acitybus(Orlybus)comesintothesouthernendofParisattheDenfer-RochereauMetroStationevery15minutes.Ataxiride,notduringrushhour,takes30-40minutesandcostsabout120Francs.Ifyouarriveatatrainstation,youcanfollowtheclearlypostedsignstowardstheMetroortaxistands.MoneyManybanksinPariswillchangecashortravelers’checks,andtherearenospecialdifferencesinrates(比率).Bankinghoursare9a.m.to4:30p.m.onweekdays.TheexchangeswindowattheGareduNordisopenuntil10p.m.onweekdays,andotherstationbanksareopenuntil8p.m.Thereareautomatic(自动的)exchangemachinesattheOpera(theBNPBank)andatNo.66ontheChamps-ElyseesthatwillchangeotherbillsintoFrancs.InternationalVISAcardscanbeusedinautomatictellersatmanycitybanks.Ifyouloseyourcreditcard,herearesomehotlinenumbers:AmericanExpress(Tel:4777-7200);DinersClub(Tel:4762-7575);CarteBleuVisa(Tel:4277-1190).1．WhodonotneedavisawhenvisitingFrance?A．Germans.B．Australians.C．Chinese.D．Japanese.2．Itwilltakeyouabout______________fromCharlesdeGaulleAirporttothecentreofParisbycarduringtherushhours.A．30minutesB．40minutesC．50minutesD．70minutes3．IfyouwanttogothesouthernendofParis,you’dbettertake______________.A．aNo.351busB．aNo.350busC．anOrlybusD．anAirFrancebus4．Moneycanbeexchangedin______________.A．anybankinParisbefore9a.m.B．manybanksafter4:30p.m.C．GareduNordafter10p.m.D．anautomaticexchangemachines5．Fromthepassagewecanlearnthat______________.A．therearemanytouristsinPariseveryyearB．duringrushhourstherearetrafficjamsinParisC．thebesttimefortouriststovisitParisisduringweekdaysD．itisnotveryconvenientfortouriststogotoParisbytrainF18、Ifyouwanttogetthemostoutofthestudyofalanguage,youmustalsoreadforpleasure:novels,plays,travelbooks,andsoon.Andinreadingbooksofthiskindtheimportantthingistogetonwiththereading;totrytocatchwhatthewriterisgoingtotellyouinthebookasawhole.Thisisimpossibleifyoustopandthinkoverthemeaningofeverysinglewordwhichhappenstobeunfamiliar.Youcannotenjoyastoryifyoustopafewtimesoneverypageinordertolookupwordsinthedictionary.Youmayevenprevent(妨碍)yourselffromunderstandingthestoryasawholebydoingthis.Whenyouarereadingbooksofthiskind,therefore,youwillusuallyhavetodependmainlyonthecontext(上下文)tohelpyou.Ifyoumeetanunfamiliarword,donotletittaketoomuchofyourattentionfromthemainideaofthestory.Inallprobabilityyouwillmeetthesamewordagainafewpageslateroninaslightlydifferentcontext,andeachtimeyouseeitthatyourunderstandingofitwillbecomem