必刷16 阅读理解之说明文(模拟)(原卷版)-2022年中考英语二轮复习能力强化必刷题(真题+模拟)(版)-中考英语备考资料重点汇总知识点归纳

2022年中考英语二轮复习能力强化必刷题（真题+模拟）（通用版）16阅读理解之说明文（模拟）1JustasmusicandTV,thevideogameindustryhasitsbig-nameplayers.Tetrisissuchaformofentertainmentthatshowsnosignsofstoppinguptonow.Tetrisisplayedinwhat'scalledaMatrix-anemptyrectangleonascreen.Shapes（eachismadeupoffourequalsquares）,calledTetriminos,fallintotheMatrix.It'stheplayer'sjobtoplaceeachTetriminosothatitformsanunbrokenhorizontalline（水平线），butcan'tbeflipped（翻折）.Whenastraightlineisformed,Tetrisisoneofthebest-sellingvideogamesofalltime.Haveyoueverwonderedwhoinventedit?ThegamewascreatedbyaRussiancomputerengineernamedAlexeyPajitnovin1984.Hewasinspired（启发）byhisfavoriteboardgamePentominosandhedesignedthegamejustforfun.Thegamebecamepopularalmostassoonasithitthemarket.In1996,PajitnovsetuptheTetrisCompany.Whenitstartedasabasiccomputergame,Tetrisquicklyspreadtootherplatforms.ItwasoneofthemostoftenplayedgamesonNintendo'sGameBoy.Tetriswasalsothefirstvideogameplayedinspace.In1993,RussianAleksandrSerebrovplayedthegameonhisGameBoywhilehewasonarocket.Sincethen,Tetrishasbeenoneofthemostpopulargamesamongkidsandadultsalike.Tetrismaybequitefun.①Ina2009study,kidsplayedTetrisdailyforabout30minutesoverthecourseofthreemonths.②Thegam。hasalsobeenusedtohelptreatPTSDpatients.③Thisledtogrowthinpartsoftheirbrains.④Butit'salsobeenshowntohaveanactiveinfluenceonthebrain.ManypeopleenjoyplayingTetris,butsomehaveadifficulttimeputtingthegamedown.TheyspendsomuchtimeplayingTetristhattheyseeTetriminosfallingintheirdreams.Someevenreporthallucinations（幻觉）.Thisiscalledthe“TetrisEffect”.Sinceithasacertainsideeffect.Accordingtothepassage,whichofthefollowingcanbeanS-Tetrimino?a-h二R b-h二rc-1PPd-AFhWhichofthefollowingshowstherightorderofParagraph6?A.④①③②B.④②③①C.②④①③D.②①④③WhatcanwelearnaboutTetris?Itbecamethehugelypopulargameafteritwastakenintospacein1993.ItwillforeverbeapartoftheentertainmentlandscapejustasmusicandTV.Ithasbeenaroundfbryears,andseemstokeepthequalityit'shadsincedayone.Itisavideogamethatplayerscancontroltheshapesandguidethemintoplaceeasily.Thewritingpurposeofthispassageis.Smallfamiliesrelylargelyonfooddeliveryservices.AccordingtotheNationalBureauStatistics,Chinesefamilieshavechangedinsizeoverthepasttenyears.In2002,only7.7percentoffamilieshaveonlyoneperson.Butthisnumberincreasedto15.6percentin2017.Thepercentageoftwo-personfamiliesrosefrom18.4in2002to27.2in2017.Forsmallfamilies,cookingalwaystakesalotoftimeandenergy,soorderingfoodonlinehasbecomemorepopular.TheimprovementofChina'sfooddeliveryserviceshasalsomademorecustomersinterested.AccordingtoMeituan'sreport,theaverage(平均的)timeittakestomakeafooddeliverydroppedfrom38minutesin2016to29minutesin2020.Manydeliveryplatformsarealsoofferingmoreservices,deliveringproductssuchasfruit,vegetables,medicineandevenflowers.Astheirservicescontinuetoimprove,it'scertainthatthefooddeliveryindustrywillkeepgrowinginthefuture.Thewriterleadsintothetopicby.A.givinganexample B.tellingastoryC.makingacomparison D.answeringaquestionWhafsthemainideaofParagraph2?Fooddeliveryhasdevelopedrapidly.FooddeliveryispopularwithyoungpeopleMoreandmorepeoplewillliveinsmallfamilies.MostInternetusersliketoorderfoodonMeituan.Theunderlinedword“rely”inthepassagehasthesamemeaningas"A.work B.come C.depend D.restAccordingtotheParagraph4,morepeopleareinterestedinChina'sfooddeliveryservicesbecauseof.variedproducts(2)theterribleweather(3)deliverymen'skindness(4)thefastspeedofdeliveryA.⑴⑵B.⑶(4) C.⑵⑶D.⑴(4)What'sthebesttitleforthispassage?China'sfooddeliveryindustryisgrowingFewerpeopleinChinalikehomecookingThenumberofInternetusersinChinaisrisingFooddeliveryservicesbringpeopleconvenience12NewZealandisabeautifulislandcountryinthePacificOcean.There,snowymountainsrisehighabovetheseaandgrassyhillsgoacrossthelandformiles.However,ifyouspendsometimewalkingaroundtheland,you'llsmellsomethingdifferent.Almost30millionsheepand10millioncowstravelaroundthosegreenhillsandeachoneofthemisfarting(放屁).Thatmaysoundlikeajoke.Butscientistsaren'tlaughing.TherearemorecowsandsheepthanpeopleinNewZealand:eighttoone.Andtheseanimalsfartmorethan4milliontonsofgaseveryyear.Thatgasaddstooneofthemostdangerousproblemswefacetoday:globalwarming（全球变暖）.Thegasthatfarmanimalsproduceiscalledmethane（甲烷），agreenhousegaswhichcanleadtoclimate（气候）change.Butsheepandcowsarenotthemainreason.Mostgreenhousegasesareproducedbyfactoriesandcars.ButinNewZealand,farmanimalsproducealmosthalfthecountry'sgreenhousegases.That'swhyscientistsinNewZealandareworkinghardtosolvetheproblem.They'vefoundmedicinethatcanreducegasinsheepandcows.ButmostfarmanimalsinNewZealandwalkfree.It'shardtoroundthemuptogivethemmedicine.There'salsoathirdplan.Somescientistshaveputsheepinspecialscaledcages（密封笼子）.Theymeasurethegasthatasheepproduces.Ithelpsscientistsfindthatsomesheepnaturallymakelessgasthanothers.Whentheybreedthosesheeptogether,theirbabysheepfartslessthantheircousins.It'sonlyasmallimprovement.Butthosebabysheepjustmightmaketheplanetabetterplacetolive.WhichstatementisTRUEaboutNewZealand?It'sabeautifulplacefitfbrwalkingaround.Youwillseemorecowsandsheepthanpeoplethere.Itsfarmanimalsareindangerbecauseofglobalwarming.Itsgreenhousegasesmostlycomefromfactoriesandcars.WhatproblemhavecowsandsheepbroughttoNewZealand?A.Airpollution. B.Risingsealevel.C.Fewergrassland. D.lesslandforfood.Whatcanthespecialsealcageshelpdo?A.Stopsheepfromfarting. B.Reducesheep'sgasproduction.C.Cutdownthesheeppopulation. D.Pickoutsheepthatproduceslessgas.Howdoesthewriterfeelaboutthethirdplan?A.Itmightwork. B.Itwillcosttoomuch.C.Ifseasytocarryout. D.Itwilldoharmtosheep.Whichpartofanewspaperisthispassageprobablyfrom?A.Education. B.WayofLife.C.Science. D.Worldnews.13Computersmaybeabletohelpusinmorecomplex（复杂的）ways.Recentresearchhasshowedanewcomputerprogramthatcanlearnhumanemotions.ResearchersaskedagroupofpeopletotypetwoparagraphsfromLewisCarroll'snovelAliceinWonderland.Thepeoplethenchoseanemotionalstatetheyfeltwhiletyping.Moods（T青绪）testedwerejoy,fear,anger,sadness,disgust,shameandguilt.Thentheresearchersputthetextintothecomputertostudy.Surprisingly,thecomputerwasright70percentofthetimeintellingtheiremotionalstates.Themostcorrectemotionsitguessedcorrectlywerejoy(87percent)andanger(81percent).Theleastaccurateemotionthecomputerguessedwassadness(60percent).However,thecomputerprogramislimited(局限的)inwhatitcando.Butscientistsbelievethatitwillhelphumansinthefuture.“Ifwecouldbuildanysystemthatisintelligentenoughtocommunicatewithhumansthatinvolved(涉及)emotions....ThenusingmachinescouldbemorehelpfulandfHendly,“theresearcherswroteinstudy.Forexample,whenlookingforamovieonline,perhapsacomputerprogramcouldmakesuggestionsforfilmsthatwouldmatchyourmood.Andastheresearcherssaid,thiskindofcomputerprogramcouldalsohelphumansinanumberofways.First,withonlineteaching,emotionallyintelligentcomputerscouldchangeitsteachingstyletohelpstudentslearnbetter.Second,withonlinetalking,doctorscouldbeabletotelltheemotionofapatient.Whichoftheblankscanbefilledwiththeunderlinedword“accurate”?Itistosaythatthesungoesaroundtheearth.Itisimportantforreporterstoreportnews.Manyofthefigures(数据)weresowemadeawrongdecision.Accordingtothepassage,whatdoscientiststhinkofthecomputerprograminfuturelife?A.Helpful. B.Limited. C.Unnecessary.Howdidthecomputerprogramlearnhumanemotions?Bylearningtheresearchers9instructions.Bylearningtheemotionalstatespeoplechosewhentheytyped.Bycomparingthemwithotherkindsoftestedmoods.Howdoesthewriterdevelopthelastparagraph?Bylistingfacts.Bygivingexamples.Byofferingexplanations.Whatdoesthepassagemainlytellus?Computerfeelshumanemotions.Computerimproveshumanemotions.Computerwillplayamoreimportantroleinfuturelife.14ChopsticksarepairsofstickswiththesamelengththathavebeenusedaskitchenwareinmostofeasternAsianregionsforoverthreethousandyears.Accordingtotherelevanthistoricalresources,thefirstchopstickswerethoughttoappearinChinaover5,000yearsago.DuringtheSpringandAutumnPeriod,chopsticksmadeofcopperandirondevelopedgradually.LaterthechopstickswithcoatingcameintheHanDynasty.Thengoldandsilverchopsticksfollowed.Differentmaterialshavebeenusedtomakechopsticksuntilnow,amongwhichthemostexpensiveonesaremadeofelephanttusksandthegreenstone.Thoseshowedhowwealthytheownerswere.Itwassaidthatsilverchopstickswouldturnblackimmediatelyiftheytouchedpoisonedfood(butweknowitwaswrongtoday),soinhistorymanykingsandemperorsusedsilverchopstickstocheckwhetherthefoodwasbadforthemornotbeforeeating.Chopsticksarealsoregardedasgiftstoothers.InChina,chopsticksaretraditionallygiventoadaughterwhenshemarriestohopethattheywillhaveachildverysoon,becausethepronunciationofword“chopsticks“inChineseislike“quickchild”.Meanwhile,peopleoftenbelievechopstickshavesomethingtodowithgoodluck.SomanyfamilieswillchoosetoputnewchopsticksonthetableatdinneronNewYear'sEveasawayofwishingforluckwhiledroppingchopsticksisasignofbadlucktocome.It'sbelievedthatusingchopstickscanincreasefingers'flexibility.Thatmeansifweusechopsticksfrequentlyatdinner,itwillmakeourfingersdoeverythingfreely.Someexpertsalsoprovethatitcanimprovememory.Manywesterners,businessmenandtouristsputtheirknivesandforksbesidethebowlsandplatesbutchoosechopsticksinChina.Whatdoestheunderlinedword“Those"referto?ThechopsticksinancienttimesThechopstickswithcoatingElephanttusksandgreenstonechopsticksDifferentmaterialsusedformakingchopsticksWhydidkingsandemperorsinhistoryusesilverchopstickstohavedinner?Theytriedtoavoidbeingkilledbypoisonedfood.Theymeanttoshowtheirwealthandpower.C.Silverstickscanbringthem"quickchild”.D.Silversticksaregoodfortheirhealth.Whatcanbeinferredfromthepassage?Chopstickscanalwaysbringtheownersluckandgoodfortune.Chopsticksarenotonlyeatingtoolsbutalsoapartofculture.Westernbusinessmenandtouristsareusedtousingchopsticks.Usingchopsticksfrequentlywillimprovepeople'shealthcondition.Whatisthisarticlemainlyabout?Theadvantagesofusingchopsticks.ThedevelopmentofchopsticksinChina.Somestoriesandmeaningsbehindchopsticks.Differentmaterialsusedinmakingchopsticks.Whenyoulookatthenightsky,whatyouseeareactuallylotsof"powerplants"（发电J）.Everystarmakesahugeamountofenergythroughnuclearfusion（核聚变）.Foryears,scientistshavetriedtomakethiskindofenergy.Theytomakea“ministar“onEarth.Recently,somescientistsmadeabigstepforward.InFebruary2002,theCulhamCentreforFusionEnergyinOxfordshire,UK,doubledaworldrecordsetin1997.Themachinethere,namedJet,usedfusionengines（发动机）tomakethesameamountofenergyasfourwindturbines（涡轮机）make,reportedTheGuardian.Inthepast,noexperimentcouldmatemoreenergythanwhatwasusedtostartthefusionengine.Thisnewexperiment,althoughitonlylastedfiveseconds,showedit'spossibletomakemorepower.Anothergoodthingabouttheexperimentisthatthereactionstoppedwhentheequipment（设备）gottoohot.Thisproblemcanbesolvedwithcoolingsystems.Futurefusionreactionsmaylastmuchlongerthanfiveseconds,minutesorevenhours.Youmaywonderwhyfusionenergyissohardtomake.Creatingconditionssimilartoastarisnoteasy.Themachinemustreachtemperaturesashighas10timesthatofthesun'score（核）.Evenso,it'stimetogetexcitedaboutstarpower.Ifitcanbesuccessfullyrolledout（开展），itwillbealandmark（里程碑）inhumanhistory.Whatdoestheword“plants”inthefirstparagraphreferto?A.scientists B.nuclearplantsC.starsintheskyD.ministarsonEarthIn1997,theworldrecordfornuclearfusionproducedasmuchenergyas.A.awindturbineB.twowindturbinesC.threewindturbinesD.fourwindturbinesAccordingtothepassage,whatcanmakethereactionlastlonger?A.Choosinghotterequipment. B.Startinganewexperiment.C.Creatingawarmerenvironment. D.Usingacoolingsystem.Whatcanwelearnaboutfusionenergyfromthepassage?Itexistsinaverycoldenvironment.Scientistsaretryingtotakeitfromthecoreofthesun.ItisverydifficulttomakeonEarth.Itisnowusefulineverydaylife.16AreyoustilldoingtheVforvictorysign?It'sout.Thelatestpopularhandgesture（手势）istocurl（卷曲）bothofyourhandsandputthemtogethertomakeaheartshape.Knownas“Handheart"，manyyoungstarsintheUSincludingJustinBieber,BlakeLivelyandTaylorSwifthavedonethegestureinrecentphotos.“Thehearthandgesturemeanssomethingbetween'Iloveyou'and"thankyou'JsaidthecountrysingerTaylorSwift.Ifsasweet,easymessagewhichyoucansendwithoutsayingaword.TaylorSwiftoftenputsherhandsaboveherheadintheheartshapeatherconcerts.Andsheisbelievedtobethefirsttomakethegesturepopular.Lastmonthduringacharityshow,JustinBieberandhissuperstarfriendsdidthehandheartandputthephotoonline.Theydidittohelpthreekidswhoseparentswerekilledinacaraccident.Thegesturebecamemorepopularafterthat.“Itusedtotakelongerfornonverbal（不用语言的）culturetomove.Butnow,withsmartphonesandtheInternet,it'smuchfaster」saidPattiWood,anAmericanlanguageexpert（专家）.Inourneighborcountry-SouthKorea,thehandhearthasbeenpopularforalongtime.Inadifferentway,peopletherelikemakinga"biggerheart,,byputtingtheirhandsabovetheirheadsandmakingaheartshapewiththeirarms.Itmeans"Iloveyou”.Amongtheyoungstars,isthefirsttomakethehandheartgesturepopular.A.JustinBieberB.BlakeLivelyC.TaylorSwiftD.PattiWoodWhichofthefollowingisTRUEaccordingtothepassage?TheVgestureisnotpopularnow.Thehandheartgestureonlymeans“Iloveyou”.Ittakeslongerfornonverbalculturetomovenow.PeopleinSouthKoreadon*tlikethehandheartgesture.Whatisthebesttitle（标题）forthispassage?TheHeartGestureB.AStrangeGestureC.NonverbalCultureD.SmartPhonesA.toexplaintheadvantagesofagametointroduceapopularsingleplayergametoshowhowtoplayagamereallywellD.todescribethespecialhistoryofagame2Theswanisalarge,beautifulbirdwithalongneck,bigwhitewingsandwidefeet.Itisagreatflyerbecauseofitsstrongwings.Itisalsoagoodswimmer,swimmingquicklyandnicelythroughthewater.Butondryland.It'sadifferentstory-theswan'sheavybodyandslowwalkmakeitlookabitfunny!Swansliveanywherethereisfreshwater,likelakesandslow-movingrivers.Theyeatwaterplantsandsmallfish.Swansareveryterritorial（地盘'性的）,whichmeansthattheyprotecttheirhomesagainstanystrangers.Whenswanswanttolookstrong,theystanduptall,showtheirlongnecksandopentheirbigwingswhilelettingoutbignoises.Inspring,swansmakeanest（巢）oftreeleavesnearthewater.Theyoftenusethesamenestyearafteryear,repairingitwhenegglayingtimecomesround.Themotherswanlaysbetweenfiveandeighteggsinthenest,andthensitsonthemtokeepthemwarmandsafeuntil,aboutamonthlater,cygnetsarebom.Sometimesthefatherswanwilltakethefirst一borncygnetsoutontothewaterwhilethemotherstaystolookaftertheothereggs.Thecygnetsarelookedafterbybothparents,whowillfightotheranimals,peopleorevenboatsiftheythinktheircygnetsareindanger!Tomakethemlookstrong,swans.A.swimquickly B.standononelegC.opentheirwings D.movetheirnecksoftenAboutswans'nests,weknowthat.theybuildtheirnestsafterspringtheybuildtheirnestsunderthewatertheyusethenestsjustforlayingeggstheyoftenusethesamenesteveryyearAfterlayingeggs,motherswans.staytositontopoftheeggsstayawayandwatchtheeggscovertheeggswithtreeleaveshavethefatherlookaftertheeggsTheunderlineword“cygnets-inthispassagemeans.A.theswannests B.thebabyswansC.thefatherswans D.themotherswansWhichcanbethebesttitleforthispassage?A.Swans'GoodEatingHabits B.Swans'SenseofProtectingHomeC.Swans'LoveforTheirBabies D.TheIntroductionofSwans3ThetraditionalChineselunarcalendardividestheyearinto24solarterms（节气）.ItstartsfromtheBeginningofSpringandendswiththeGreaterColdmovingincycles.Itisstillusefultodaytoguidepeople'slivesthroughspecialfoods,culturalceremoniesandevenhealthylivingtips.GrainBuds（小满），the8thsolartermofayear,willbeginonMay21thisyear,andendsonJune4.Itmeansthattheseeds（种子）fromthegrainarebecomingfull.DuringtheGrainBuds,summerharvestisabouttobegin.Asayingaboutrainduringthistimementions,"Aheavyrainfallmakestheriverfull?9Becauseofthegreatincreaseinrainfall,riversarefullofwater.Thisisagoodtimetoenjoyfish.Itisalsoaharvestseasonforfishermen.Frost'sDescent（霜降），the18thsolartermoftheyear,isthelastsolartermofautumn.Theweatherbecomesmuchcolderthanbeforeandfrostbeginstoappear.Theappleisonekindofrecommended（推荐的）inChina,suchas“Eatanappleaftermeals.Evenoldmencanbeasstrongasyoungmen.”MinorCold（＜|、寒）isthe23rdone.FormostareasofChina,itmarksthestartofthecoldestdaysoftheyearandpeoplealwaysstartpreparingfortheLunarNewYear.AccordingtotraditionalChinesemedicinethoughts,peopleneedtoeatfoodthathasmoreyangenergytopreventcoldfromharmingtheirbodies.AnotherimportanttraditionalfoodforMinorColdisLabaporridge（腊八粥）.isthelastsolartermofayear.A.MinorCold B.GreaterColdC.FrosfsDescent D.BeginningofSpringInmostareasofChina,peoplealwaysduringMinorCold.©preparefortheLunarNewYear②haveLabaporridge③saygoodbyetothecoldestdays④wearwarmerclothesA.①②③B.②③④C.①②④D.①③④Wecanlearnfromthepassagethat.itisnecessaryforpeopletotakeumbrellaswiththemduringGrainBuds.Frost'sDescentisthe8thsolartermofayear.peopleneedtoeatfoodthathaslessyangenergyduringMinorCold.GrainBudswilllastfifteendaysthisyear.4Severalmonthsago,ChineseCOVID-19vaccines（疫苗）wereputintousewidely.Our

governmentoffersfreevaccinestoChinesepeople.Hereissomeinformationyouneedtoknow.Howisthevaccinegiven?Itisgivenbyinjection（注射）.Thereareseveralwaystogetinjected.Forthemostcommonway,you'resupposedtogetittwiceorthreetimes.Afterthefirstinjection,youhavetogetthesecondoneorthethirdone.Isthevaccinebadforhumanbodies?Somepeopleareafraidthatthevaccinesaredangerousandmaymakethemsick.Tnfact,thevaccineshavebeentestedforalongtime.Theywon'tcauseanydisease.Instead,theycanprotectourbodiesfrombeinghurt.Whoissuitable?MedicalresearcheshaveshownthatChinesevaccinesaresuitableformostpeople.Andpeopleaged18to59wouldbethefirstonestogetinjection.Ourgovernmentexpectspeopleover60whoareingoodhealthtogetinjectedaswell.Youhadbetteraskdoctorsforadviceatfirst.Shouldwestillwearafacemask?Yes.IttakesafewweeksforthebodytobuildtheabilitytofighttheCOVID-19afterinjection.Sometimesthevaccinesmightnotworkwellinthebody.Soit'sbesttokeepwearingfacemasksinpublicandwashyourhandsoften.cangettheCOVID_19vaccinesfirstinChina.A.Peopleofallages B.Peopleaged3to17C.Peopleaged18to59 D.Peopleaged65Fromthepassage,wecanknowthatthevaccines.B.canprotectpeopleD.areveryexpensiveB.canprotectpeopleD.areveryexpensiveC.canonlybegivenintwowaysPeopleshouldstillwearmasksafterinjectionbecausetheirbodiesneedtimetobuildtheabilitythemaskscanmakethemmorebeautifultheymaycatchacoldmoreeasilythemaskshelpthevaccinestoworkThepassagemainlytalksaboutB.facemasksD.vaccineinjectionA.physicalhealthB.facemasksD.vaccineinjectionC.doctor'sadviceItwas1p.m.onAugust5.About70,000rubber（橡胶）duckswerebeingthrownintotheriver.Theywereabouttotakepartinaspecialrace:the2021ChicagoDuckyDerby.Theracehasbeenheldsince2005.Everyyear,itdraws（吸弓I）largecrowdstothebanksoftheChicagoRiver.Peopledon'tneedatickettowatchtherace.Buttojointherace,theyhavetopayfivedollarsforoneduck.Onecan“adopt（领养）“atmost240ducksatthepriceof1,000dollars.Onthatday,afteralltheadoptedducksjumpintotheriver,thematchbegins.Thefirstducktocrossthefinishinglinewinsaprizeforitsowner.Theducksarenotsingle-usetoys.Aftertherace,volunteerstakeallofthemawayfromthewaterforfutureuse.Theraceisnotjustforfun.ItisheldtoraisemoneyforSpecialOlympicsIllinois.Thisyear,morethan310,000dollarsisraised.Themoneywillbeusedtohelppeoplewithintellectualdisabilities（智力障碍）.Theywillbeabletohavemorechancestotakepartinsports.Thiscannotonlyimprovetheirhealthbutalsobuilduptheirself-confidence.Theseducksmaybesmall,buttheycanleadtosomethingbig.HowcanpeopletakepartintheChicagoDuckyDerby?A.Bybuyingaticketfortherace. B.Byraisingmoneyfortherace.C.Bypayingmoneyforoneduck. D.BybringaducktotheChicagoRiver.Whatisthelastparagraphmainlyabout?WhatSpecialOlympicsIllinoisis.WhytheChicagoDuckyDerbyisheld.Howtohelppeoplewithintellectualdisabilities.HowtoraisemoneyforSpecialOlympicsIllinois.Whatisthebesttitle（标题）forthetext?SmallduckscouldmakeabigdifferenceLargecrowdscametotheChicagoRiverTheChicagoDuckyDerbywasheldsuccessfullyVolunteersdidalotforSpecialOlympicsIllinois6LiZiqi,whoisa32-year-oldblogger,showshervideosaboutdifferentkindsoftraditionalChinesefoodandhasbecomehotonmicroblog.Sheandherteamlikeshowingthewholeprocessfromthefieldtothetable.Forexample,inhervideoaboutspicytofu,shestartswithharvestingthesoybeans,grindingthemintopowderandmakingthepowderintotofu,thentocookit.Inanothervideoaboutsoysauce,sheshowshowtoplantthesoybeansinthefield.Yetrecentlyaquestionaboutherhasbecomehotonmicroblog:"AreLiZiqi'svideosakindofculturalexport?”Hervideosareaboutdailylife,andmanypeoplearguethatsheisnotasymbolofChineseculture.Infact,Chineseculturehasmanyaspectsandveryfewpeopledarecallthemselvestobea“symbol"ofit.Li'svideoshavelittlewordsorconversations,andshehasneversaidanythingaboutthat.However,throughhervideos,LihasspreadChineseculturetotheworld.SheletstheworldknowthatChinesepeoplearegoodatmakingartoutofsimplefreshmaterials.Shemakestheworldseehowtheylivetheirdailylives.Anditisthesethathavecapturedtheheartsofherfansaroundtheworld.ItisunnecessarytodiscusswhetherLi'svideosareculturalexportornot.ShejustletstheworldknowandloveChineseculture.That'sall.WhatisLiZiqifamousfor?A.Herarttalents.B.HerChinesecookingskills.C.Herwell-producedvideos. D.Herwiderangeofknowledge.Whichismentionedinthevideoaboutsoysauce?A.Howtocooktofu. B.Howtomaketofu.C.Howtoharvestthesoybeans. D.Howtoplantthesoybeans.WhatdoesthewriterthinkaboutLi?ShehasspreadtraditionalChineseculturetotheworld.Shemakesmuchmoneybysellinghervideos.SheisthesymbolofChineseculture.D.Sheisgoodatcooking.Whatdoestheunderlinedword“that”inParagraph4referto?A.Thevideosaboutdailylife. B.ThesymbolofChineseculture.C.Thehotmicroblog. D.Thewordsorconversations.WhatcanwelearnfromLi'svideos?Theyshowuspeople'sdailylifeinmanyaspects.TheymakepeoplebetterunderstandancientChina.TheyincludealltraditionalChinesefood.TheyattractforeignerswithEnglishconversation.7Mostpeoplehavemapappsontheirphonesthatcanshowtheirlocationsandguidethemtowheretheywanttogo.Buthowdotheseappsystemsknowyourlocationatanytimeorplace?Theyfindyoubyusingsatellitenavigationsystem.Anavigationsystemusesgroupsofsatellitestofindtheuser'slocation.Thislocationinformationisthensenttoareceiver.ThefirstsatellitenavigationsystemistheGlobalPositionSystem(GPS),whichbelongstotheUnitedStates.Itistheworld'sfamousnavigationsystem.ButChina'ssatellitesareimportantforimprovingthenavigationsystem.BeidouislargerthanGPSinsize.ChinasentBeidou'sfirstnavigationsatelliteintospacein2000.ChinaalsobecamethethirdcountrytobuildanavigationsystemaftertheUnitedStatesandRussia.Asofrightnow,over30countriesinAfricaandtheMiddleEastareusingtheBeidousystem.Withitsworld-leadingtechnology,BeidouisleadingChinesepeopletoabetterlifeindifferentareas.Forexample,over6.2millionvehiclesinChinaareusingBeidoufornavigation.AttheBeijingDaxingInternationalAirport,Beidouhasbeenusedtokeeptrackofvehiclesindoorsandoutdoors.EachbaggagecarthasBeidoutohelppassengersgettheirbaggagefaster.Foranavigationsystem,thenumberofsatellitesisimportantforimprovingthesystem'spositioningaccuracy.Themoresatellites,themoreaccuratethepositioningis.Thesatellitenavigationsystemisusefulinmanyways.Whatdoesanavigationsystemusetofindauser'slocation?A.Asmartphone.B.Beidou.C.Satellit