2022-2023学年鲁教版（五四制）九年级英语全册unit1单元复习与测试

Unit1单元复习与测试

一、单项选择

1.—Whenthetallbuilding?

-Lastyear.

A.is;completedB.will;becompleiedC.was;completed

2.—DoyouknowHUAWEIP50Pro?

一Sure.AnewHuaweiflagshipsmartphone.It:nChina.

A.madeB.wasmadeC.hasmade

3.一Whatdoyouthinkofyourclassmeetingaboutenvironmentalprotection?

—Wonderfi.il.Alotofusefillsuggestionsyesterday.

A.areofferedB.wereofferedC.wasoffered

4.VolunteersduringBeijing2022WinterOlympics.

A.arcpraisedB.werepraisedC.willbepraisedD.praised

5.Yoga（瑜伽）isnowpopulararoundtheworld,amongwomen.

A.especiallyB.bravelyC.terriblyD.nearly

二、完形填空

From5GmobilephonestoselRserviccbookstores,everythingisgoingsmartinChina.

Andparksarenowthenextinline.

TheErshasportsparkis6firstsmartsportsparkinGuangzhou.Itwas

partiallyopen7October2020,afteritwasrebuilt.Newsmartgymequipment（ig

备）withQRcodesandpower-producingfunctionsarethehighlightsoftherenovation.

Inthenewsmartequipmentarea,there'sadevice（装置）togettoknowpeople'sphysical

conditionandgiveexercise8.Beforeusingthesmartexerciseequipment,people

canfirstscanQRcodesonsmartphonesandhave9exerciseinformationrecorded

online.

Someofthesmartdevicesarcconnectedtosolarpanels.Whenpeopleusethem,theyarc

actuallyhelpingproduceelectricity.Andtheelectricity10tolightuplampsinthe

evening.'"Nowadays,peopleleadanervouslife11havelittletimefbrexercise.

Thisparkhas12scientificequipmenttoofferthanotherparts."Apersontold

GuangdongTV.Somepeople13suggestedthatindoorgymsshouldalsotakeinthe

equipmentthatareabletoproduceelectricity.

AccordingtoGuangzhoudaily,atotalofsixparksw:llbebuiltontheisland

14itintoaplacefbrrelaxingandsports.

Intoday'sChinaexercise15amuchmoreimportantroleinpeople'sdailylives.

6.A.aB.anC.theD./

7.A.inB.atC.onD.fbr

8.A.suggestionB.suggestion'sC.suggestionsD.suggestions'

9.A.itB.itsC.theyD.their

10.A.usesB.usedC.isusedD.wasused

11.A.becauseB.ifC.andD.but

12.A.muchB.moreC.mostD.themost

13.A.strongB.strongerC.stronglyD.strength

14.A.developB.todevelopC.developedD.developing

15.A.playsB.playedC.hasplayedD.willplay

Doyouknowicedtea?Hereisastoryofit.In1904,ihcWorld'sFair（展销会）washeld

inSt,Louis,USA,fromApril30thtoDecember1st.Tradersfromaroundtheworldbrought

their16tothefair.

Richardwasateafarmowner.Hecametothefairtosellhistea.Unluckily,St.Louis

wastoohotthatsummer,andnobody17hisidea.AlthoughRichardtriedhardto

tellthe18oftea,nooneaskedfbrevenacupofhottea.19thisproblem,

hewasnearlycrazy.

Onedayan20cametohismind.Whynotmakehisteaintoaniceddrink?

Thenheputlotsoficeintotheteaandmixedthemwithsugar.Hewas21tofind

thattheteahadaspecialflavor（风味）.It22sweetandcool.Peopleallcameand

askedtobuyhisdrinks.Richardwassohappyand23allhisicedteaatalowprice.

Fromthenon,Richard'sbusinessbecamebetterandbetter,andicedteabecamemoreand

more24inAmerica.

Richard'ssuccessshowsusagreattruth.Wheneveryoumeetsomedifficulties,don'tgiveup.

Trytodealwithit25.Maybeyouwillseeatotallydifferentresult.

16.A.clothesB.productsC.booksD.gifts

17.A.wasangrywithB.wasreadyfbrC.wasafraidofD.wasinterestedin

18.A.advantagesB.pricesC.coloursD.results

19.A.AskingfbrB.LookingfbrC.HearingaboutD.Worryingabout

20.A.inteniewB.illnessC.ideaD.instruction

21.A.surprisedB.movedC.boredD.relaxed

22.A.keptB.soundedC.lookedD.tasted

23.A.changedB.soldC.refusedD.told

24.A.expensiveB.dangerousC.popularD.careful

25.A.wiselyB.lazilyC.safelyD.clearly

Therearetwokindsofopinionson“thelifeinthepastandthelifetoday”.

Someonethinksthatthelifetodayisquite26fromthatinthepast.Ontheone

hand,thesignificanttechnologicaldevelopmentsdohelppeoplesolvealotofproblems.

However,ontheotherhand,thelifeinthepast27morehappinesstopeoplethanthat

doestoday.

Thelifewas28inthepast.Asthe29oftheworldisgettinglarger,

competitionisgettingfiercer（更加激烈的）now.Ifyouarcnotabletodoyourjobwell,

someonewill30yousoon.

Whileothersthinkthelifetodayismuchbetterthanthatinthepast.Therearemanynew

31thatmakeourlifeeasyandcomfortable.Thericecookers,gasstovesand

microwaveovensarcofgreat32tomanyhousewives.Thericecookerisareal

time-saver.Itissosimpletousethatevenachildcan33ricewithit.Therearesome

othermachineswhich34thelonghoursofdoinghouseworkfbrthehousewives.

I'hcrcarcmanyotherinventionswhichhelpmakeourlifebetter.Forexample,the35

helppeoplegetintouchwitheachothermoreconvenientlyandtheInternetmakespeople's

lifemorecolorfill.

26.A.diflerentB.difficultC.betterD.thesame

27.A.connectedB.broughtC.showedD.went

28.A.boringB.busyC.fastD.simple

29.A.pollutionB.weatherC.populationD.air

30.A.takeB.hurtC.lookD.replace

31.A.inventionsB.storiesC.opinionsD.scientists

32.A.exerciseR.abilityC.helpD.information

33.A.plantB.cookC.growD.throw

34.A.spendB.wasteC.takeD.save

35.A.phonesB.lettersC.watchesD.videos

TheRaceoftheRobots

1heroboticscompetitionwastakingplace.LilyandTobyfollowedtheirtwoother

teammates,DavidandMarcus,intothebighall.Theylaidoutalltheirequipmentonthetable

becausetherulessaidtherobotcouldnotbeassembled（组装）beforethecompetition.They

neededtobuildandprogramarobotthatcouldmakeitswayaroundanobstacle（障碍）

course.Itwassaidthatjudgesoftengaveasurprise36changethatwouldrequirethe

studentstochangetheirroboticdesignatthelastminute.

“Teams,itisnowtimefbrthenewrule,“ihehostannounced.t4Somerockswillbe

placedonthecourse.Youwillhavetomakeyourrobotremovethemfromthecourse.^^

“Wecanbuildanarmtopickuptherocksand37themontheside,“saidDavid

rightaway,"Butthatwouldtaketoomuchtime,“Marcusreplied.

Theteamstoodin38.eachtryingtothinkupnewideas.Tobythoughthardabout

thedesigntheyhadalreadyplannedout.Thenherealizedsomethingspecialabouttheir

design—thesecretbox.

“Howaboutwccreateadoorinthefrontofthe39spaceinthecenterofthe

robot?Wecanaddasensor（传感器）tothedoor.Sowhenourrobotgoesalongandcomes

acrossthoserocks,itwillopenthedoorandpickthemup,“heexplained.

Theteamthoughtaboutit.''Actually,thatmightwork.Thefactthattherobotis

40thesethingsratherthanjustmovingthemmightgiveusextrapoints,nLilysaid.

Thefoursettowork,41butquicklyassemblingtheirpre-designedrobot,then

addingthedoorwiththeextrapartstheyhadbrought.Itwashard,andtimewasrunningout.

Asthebuzzer（计时器）rang,Tobyplacedthelastparton:herobot.

itwastimefbrToby'steamtocompete.Theysettheirrobotonthecourseandwatchedit

makeitswayandmeetthefirstrock.Itstoppedfbrasecond,andthemembersoftheteam

42theirbreath.ThenthemachineopeneditsdoorandslidC骨彳亍）acrossthesmall

rock.Whenitpassedovertherock,therockdisappeared—43intherobot'ssecret

box.Theteamcheered,knowingtheywereonestepclosertothechampionship.

36.A.speedB.teamC.timeD.rule

37.A.designB.changeC.placeD.break

38.A.silenceB.disbeliefC.angerD.loneliness

39.A.emptyB.naturalC.brightD.common

40.A.pushingB.jumpingC.collectingD.searching

41.A.directlyB.carefullyC.bravelyD.freely

42.A.stoicB.savedC.gotD.held

43.A.separatedB.hiddenC.droppedD.cleaned

EarlyWritingandAlphabets（字母表）

Whenpeoplefirstbegantowrite,theydidnotuseanalphabet.44、theydrew

smallpicturestoshowtheobjectstheywerewritingabout.Thiswasvery45

becausetherewasadifferentpicturefbreveryword.

TheAncientEgyptianshada46ofpicturewritingthatwascalled

hieroglyphics（象形文字j.Themeaningofthiswritinghadbeenforgottenfbraverylong

time,butin1799,somescientistsdiscoveredastonenearAlexandria,Egypt.Thestonehad

beentherefbroverathousandyears.IthadbothGreekandhieroglyphicsonitand

researcherswere47abletounderstandwhatthehieroglyphicsmeant.

Analphabetisquite48picturewriting.Itconsistsoflettersorsymbolsthat

represent（代表）asoundandeachsoundisjustpartofoneword.ThePhoenicians（腓尼基

人）,wholivedabout3,000yearsago,49theancientalphabet.Itwaslaterimproved

bytheRomansandthisalphabetisnowusedwidelythroughouttheworld.

44.A.HoweverB.InsteadC.AlsoD.Then

45.A.amazingB.powerfulC.strangeD.slow

46.A.wallB.pieceC.systemD.collection

47.A.finallyB.seldomC.nearlyD.especially

48.A.similartoB.differentfromC.fullofD.closeto

49.A.noticedB.aiTangedC.developedD.discovered

三、阅读单选

WhoisthegreatestteacherinChinesehistory?ManypeoplewillthinkofConfucius（孔

子）,whosebirthdaywasSeptember28.Althoughhelivedover2,000yearsago,peoplestill

rememberandrespecthimfbrhiscontributiontotheeducationtoday.

ConfiiciuslivedintheKingdomofLu,whichliesinShandongProvince.Helived

duringtheSpringandAutumnPeriod.Hehadahardchildhood.Hisfatherdiedwhenhewas

only3.Hismotherbroughthimup.Asachild,hehadtoworktohelphismother,butyoung

Confuciusdidn'tgiveupstudying.Hevisitedmanyfamousteachersandlearned

music,history,poetryandsports.

Later,hebecameateacherandstartedthefirstpublicschoolinChinesehistory.Atthat

timeonlychildrenfromnoblefamiliescouldgotoschool,butConfuciusbelievedeveryone

shouldgotoschooliftheywantedtolearn.Hehadabout3,000studentsinhislifetime.

Today,peoplestillfollowConfiicius,lessons.Hetoldusthatweallhavesomething

worthytobelearned.4lWhenIamwiththreepeopleofthemmustbebetterthanmeinsome

areas.Ichoosetheirqualitiesandfollowthem.^^

Healsotaughtusthatthinkingisveryimportantinstudy.ltAllstudybutnothinking

makespeoplepuzzled.AHthinkingbutnostudymakespeoplelazy.”

Confiiciusisnotonlyagreatteacherbutalsoafamousthinkerwithwisethoughtsabout

theworldandsociety.Hismostimportantteachingsarcaboutkindnessandgoodmanners.

personshouldbestrictwithhimselfbutbekindtoothers,nhesaid.

50.TodaywestillrememberConfuciusmainlybecause.

A.Helivedapoorlifeinhischildhood

B.hehadwisethoughtsandgreatviewsabouteducation

C.hetraveledwithhisstudentsfromstatetostate

D.helivedduringtheSpringandAutumnPeriod

51.Confiiciuslearnedirusic,history,poetryandsportsasachild.

A.byteachinghimselfathomeB.withthehelpofhismother

C.bygoingtoschoolD.byvisitingmanyfamousteachers

52.Theunderlinedword“noble''inParagraph3hastheclosestmeaningto

A.poorB.brightC.wealthyD.cute

53.WhichofthefollowingisNOTmentionedinthepassage?

A.Allstudybutnothinkingmakespeoplepuzzled.

B.Noonehassomethingworthytobelearned.

C.Allthinkingbutnostudymakespeoplelazy.

D.Apersonshouldbestrictwithhimself,butbekindtoothers.

AlexisLewisisagirlfromAmerica.Shelikestoinvent—tothinkofnewideasfor

thingsthatnoonehasmadebefore,andthenmakethem.

Alexisoftenenterscompetitionsfbryounginventors.Whenshewasyoungershespent

timewithhergrandfather,whomadetransportfbrpeopletogotospace.OnedayAlexis'

mothertoldheraboutanewspaperarticlewhichexplainedhowdifficultitwastogetsick

peoplethroughthecountrysidetohospitalinAfrica.Alexiswantedtohelp.

AlexisknewthatinNorthAmerica,beforetherewerecars,horsespulledheavythings

onatravois（|日式雪橇），madeofwood.Alexisthoughtpeoplecoulddothesame,butshe

addedwheels.Tomakehertravoislight,sheusedbamboo,aplantthatgrowsinAfrica,not

wood.

TopullAlexis,travois,youwearabelt（腰带），whichmeansyoucancarryorholdother

things.Alexisthoughthertravoiswasidealfbrcarryingfoodhomefromthemarket,aswell

astakingpeopletohospital.Afteritwasfinished,shewroteinstructionsfbrbuildingoneso

peopleinAfricacouldmakeitthemselves.

WithhelpfromU.S.companies,AlexisgavesomefreetravoistohospitalsinAfrica.She

didn'taskthemfbrmoneybecausetheywerefbrpoorpeople.

Alexisdoesn'tknowifshewantstobeaninventorwhenshe'solder,becauseshealso

likesmusicandwriting,butshethinksit'simportantfbrchildrentoleamaboutinventingat

school.

54.Alexisdecidedtoinventanewkindoftransportbecauseshewantedto.

A.winacompetitionB.makehermotherproud

C.solveaprobleminAfricaD.helpwithhergrandfather'swork

55.HowisAlexis'travoisdifferentfromthosepulledbyhorsesinNorthAmerica?

A.Ithaswheels.B.Itweighsmore.C.Itismadeofwood.D.Itismuch

cheaper.

56.FromParagraph5,weleamthatAlexisisvery.

A.busyB.kindC.creativeD.rich

57.Aslorherfuture,Akxis.

A.isunsureaboutitB.ishopefillaboutitC.doesnUcareaboutitD.islookingfor

advice

Evctyoncfacesdifficultiesintheirlife.DanielKishwasbornwithaspecialeyeillness

andlosthiseyesightbeforehewasonly14monthsold.

Soonafter,however,hestartedtodoanamazingthing.Helearnedtomakeclickswith

histonguetohelphimmovearound.Kishnowmovesaboutusingsonar.Heissogoodatit

thathecanrideabicyclebyhimselfonpublicroads.AndhestartedtheorganizationWorld

AccessfbrtheBlind(WAFTB)in2000,teachingothershowtousesonar.Intheinteniew

withNationalGeographic,heexplainshowthesonarworks.

“WhenImakeaclicksound,itproducessoundwaves.Thesewavesreflectoffsurfaces

allaroundandreturntomyears.Mybrainthendealswiththesoundandturnsitintopictures

inmymind.Eachclickislikeacameraflash,whichhelpsmemakea3Dpictureofmy

surroundingsfbrhundredsoffeet.It'slikehavingaconversationwiththeenvironment.”

Kishfeelsitisexcitingtorideabikeusingsonar,althoughheneedstoclicktwicea

second,muchmorethanheusuallydoes.klItmaysoundabitdangeroustomovearoundthe

worldinthisway,“hesays,“Butmostpeopleintheworldliveinfearofthingsthatthey

imagine.Ilovehikingandmountainbiking.Igoalmosteverywhere.AndI'veneverhadan

accidentandhurtmyself.”

Heishappytobeabletohelpmoreblindchildrentoimprovetheirlife."We'veserved

over10,000studentsinnearly40countries/'hetellsthereporter,twManystudentsare

surprisedhowquicklyresultscome.Seeingisn'tintheeyes.It'sinthemind.,,

根据短文内容，选出最佳答案。

58.WhydocsKishmovearoundusingsonar?

A.Becauseheisgooda*makingclicks.

B.Becauseitmakeshimusee,,theworld.

C.Becausehehasagreatinterestinscience.

D.Becauseitisimportantfbrhimtokeephealthy.

59.WhatcanwelearnaboutWorldAccessfbrtheBlind(WAFTB)fromthepassage?

A.Itofferstheblindfreebicycles.B.Itsellssonarproductstotheblind.

C.Itteachestheblindtousesonar.D.Ithelpstheblindfindmorefriends.

60.Whichofthefbllow:ngistherightordershowinghowthesonarworks?

©Thesoundwavesreflectoffsurfaces.

②Thepersonmakesaclickingsound.

@Thebrainturnsthesoundintopictures.

®Thcsoundwavesreachtheperson'scars.

A.®®®®B.②①④③C.①④②③D.®®®®

61.Whatdocstheunderlinedwordsonarmean?

A.Aninstniment.B.Abook.C.Aspecialsound.D.Amachine.

62.What'sthebesttitlefbrthetext?

A.LivingwithoutfearB.Travelwiththeblind

C.HopingfbrthefutureD.Lookingaroundtheworld

HistoryofBambooDrifting

whichthattheir

feetremainpositionedalong

anine-meters-long*’-

bamboopole.•/•

Bamboodriftinghasahistoryofover2,000years.Itoriginated（起源于）intheChishui

Riverarea（赤水河流域）ofGuizhouprovince.

DuringtheQinDynasty（221—206BC）,theBozhoudistrictofZunyicitywasknownfbr

itshigh-qualitynanmu（优质楠木）.Ilwasneededbytheroyal（皇家的）familymorethan2,

000kilometerstothenonh.Therewasnogoodtransportationtomovetheheavynanmu.So

peoplelookonelog（原木）atalimeuptheChishuiRiver,standingonthelogasitdrifted.

Later,peoplemadedriftingthewoodacompetition.IntheQingDynasty（1644—1911）,

bambooreplacedwoodbecauseitwascheaper.

Now,bamboodriftinghasbecomeakindoffolksport.PeopleinGuizhouholdbamboo

driftingcompetitionseveryyearduringDragonBoatFestival.

63.Whendidbamboodriftingfirstappear?

A.IntheQingDynasty.B.1,5COyearsago.

C.IntheQinDynasty.D.2,500yearsago.

64.WhydidpeoplereplacewoodwithbambooinQingDynasty?

A.BecauseBozhouwasknownfbrbamboo.B.Becausebamboowascheaper.

C.Becausewoodwascheaper.D.BecausetherewasnowoodinGuizhou.

65.Howdidpeopletransport（运输）ihewoodfromGuizhou?

A.Theytransportedthelogsbyacar.B.Theytransportedthelogsbyhand.

C.Theytransportedthelogsbyaboat.D.Theytookthelogsuptheriver,letthem

driftedwiththewater.

66.Whichoneistrueaboutbamboodrifting?

A.Itwasawayoftransportationatfirst.B.ItwasashowfbrtheroyalfamilyinQin

Dynasty.

C.Itwasadanceaboutbamboo.D.Bamboodriftingcompetitionisheld

everytwoyears.

67.Whatwillauthortellaboutnext?

A.Thehistoryofbamboodrifting.B.Anotherfolksport.

C.Theusesofnanmu.D.Theskillsofbamboodrifting.

Zhurong,thenameofChina'sMarsrover（火星车）,wasannouncedonApril24th,2021,

China'sSpaceDay.TherameofZhurongcomesfromacharacterinancientChinesestories.

ThewayitwasnamedisthesameasotherspaceprogramslikeChang'e,Tianwenand

Beidou.InancientChinesestories,Zhurongisafiregod.Accordingtothewords'Chinese

meanings,"Zhu"means“wish”,whichcanbeusedtoexpressthegoodwishesfbrhumans'

studyoftheuniverse（宇宙）.And“rong”means“integration”,whichshowsChinesepeople

wouldliketousethespacewithothercountriespeacefully,andtobuildacommunitywitha

sharedfiiturcfbrhumanbeings.

Zhurong,theMarsrover,is1.85metershighandweighsabout240kilograms.Ithassix

wheelsandfoursolarpanels（太阳能面板）anditcanmoveat200metersanhouronthe

planet'ssurface.Withsixscientificinstruments,itcanworkforatleastthreemonths.Onthe

Mars,▲suchasthemake-upoftheplanet'ssurface,theweatherandenvironment

conditionsontheMars.ZhurongshowsthatChina'sspaceprogramshavetakenahugestep

forwardagain.

68.Zhurong,Chang'e,TianvvenandBeidouareallthenamesofChinese.

A.paintingsB.ITprogramsC.poemsD.spaceprograms

69.Whal'sthemeaningoftheunderlinedword^integration''inChinese?

A.容忍B.象征C.融合D.担当

70.Whichcanbethebestsentencefbr▲?

A.itwillgetanunfbrgertablememory

B.ourcountrywillstepfartherandfarther

C.itcandoalotofsurveysandcollectinformation

D.youcouldseeallkindsofrobotswithdifferentskills

四、阅读填表

阅读下面短文，根据其内容，完成图表中所缺的信息。

Chopsticksareacommonkindoftablewareatourdinnertable.Theyarenotonlyused

inChina,butalsousedinAsiaandoverseasChinesecommunities.Wheneverwcsee

chopsticks,wcwillthinkofChineseculture.

Therearemanystoriesaboutwhomayhaveinventedchopsticks.About4,000yearsago,

ourancestor,helpedpeoplefightagainstfloodsC共水）.Hewasalwaysbusyandoftenatein

thewild.Tosavetime,hefounditwasmoreconvenientthanusinghands.Fromthenon,

peoplefollowedhimandatewithchopsticks.Infact,3,000yearsago,datingbacktothe

ShangDynasty.Around500A.D.,suchasJapan,VietnamandKorea.

Chopsticksareusually7cunand6fenlong.CunandfenareChineseunitsof

measurement.7cunand6fenisabout25cm.Chopsticksareroundatoneendandsquareat

theother,inancienttimes,therichhadtheirchopsticksmadeofsilver,goldorothervaluable

materials.Butcommonfamiliesjustusedwoodorbamboochopsticks.Nowadays,theyarc

madefromdifferentmaterials.

Althoughchopsticksarcsimplesticks,therearcsomeChinesethoughtsinthem.Chinese

peoplelikeevennumberssuchas2-4-6-8.ThereisafamousChinesesaying4ihaoshicheng

shuang"，whichmeansgoodthingsshouldbeinpairs.Sochopsticks,meanChinesebest

wishes.Apairofchopstickscanalsobeusedastheweddinggift.Whenwesay“zaosheng

guizi"，itmeanstltohaveasmartbabysoon”.Besides,theroundendofchopsticksrepresents

（代表）theskyandthesquareendrepresentstheearth.AncientChinesebelievedtheirshapes

representedyinandyang.

Therearesomethingsweshouldkeepinmindwhileeatingwithchopsticks.Remember

nottousechopstickstobeatyourbowlorplatetomakenoises.Neverpointatotherswith

yourchopsticksorputthemintoricedirectly.Thesebehaviorsarcconsideredtobeimpolite.

Chopsticks

Introduction:

,acommontableware

,71Chineseculture

Thehistory:

•Dayufoundtheuseoftwostickstoeatfood72.

•TheearliestchopstickswereinventedinChinaover3,000yearsago.

,ChopsticksspreadtosomeotherAsiancountriesaround500A.D.

Theappearance:

•length:7cunand6fen

•shape:roundatoneendandsquareattheother

•materials:Inancienttimes,materialswerecloselyconnectedwith73.

TheChinesethoughtinchopsticks:

•zaoshengguizi:carryingthewish“tohaveasmartbabysoon”.

,haoshichengshuang:meaningbestwishes.

・74:theroundendrepresentsthesky,whilethesquareendrepresentstheearth

The75:

•Don'tusechopstickstobeatthebowlorplate.

,Don'tpointatotherswithchopsticks.

五、阅读匹配

阅读下面最新科技产品介绍，为五个人选出他们感兴趣的产品。

76.AliceisaA.ResearchersatShanghai'sFudanUniversityhavemadeanewtypeofcloththatcan

storekeeper,andshebeusedasadigitaldisplay.Itsnotonlywearableandfoldable,butalsowashable.

wantstofindawaytoAfterbeingputthrough100wash-and-drycyclesinawashingmachineandfolded

dealwithinventory.10,000times,theclothremainedalmostunchanged.

77.Danielwants

B.ScientistsinJapan'sOsakaUniversityhavefoundawayto3DprintWagyubeef（和

toownalawnmower

牛牛肉）.Throughatechnologycalled3Dprinting,theyhavesuccessfullyproduceda

whichcancutgrassata

fastspeed.pieceofWagyubeefinalab.Butthebeefisdifferentfromothermeatproducedby3D

78.Henryisprinting,ituseslivingcellsasthematerialinsteadofplasticormetal.

interestedin3DprintingC.AUKcompanycalledMimicahasdevelopedhigh-techfoodlabelsthatcanclearly

technology.Hehopesto

showwhetherfoodsareGesh.Agel（凝胶）insidethecompany'sTouchindicators（指

leamtoprintsomething

示器）changeatthesameratethatafoodbecomesworse.Itcanhelppreventfood

byusingthistechnology,

79.Jennyisawastewhilealsohelpingstoresdealwithinventory（存货）.

fashiondesigner.She

D.Singaporegovernmentistryingoutpatrolrobotstowatchpeople'saction.The

wantstofindaperfect

robotsarefittedwithsevencamerasandareprogrammedtowarnpeopletaking

cloththatcanbewashed

“undesirablesocialaction''.Thisincludesparkingbicyclesinthewrongplace.1'hc

andfoldedmanytimes

robotsarethenewesttoolsthatareusedtowatchandlisteniniopeople.

withoutchanging.

E.Agroupofstudentshavebuiltadrone（无人机）thatcancarryaperson.The

80.Justinisfed

upwiththeheavytrafficstudentsinthecountry'scapital,PhnomPenh,builtthedronetocontrolthecity's

ofhiscity.Hewantstotraffic.Theyalsosaiditcouldbeusedtoputoutfiresinbuildings.Thedronecanfly

knowsomeeffectiveuptofourmetersoffthegroundfbraround1()minutes.

waystodeal