Unit3Unit3Makeithappen!Ahelpinghandfairartificialblockn.展覽會n.一塊（木頭、石頭等有直邊的硬物）adj.人造的，人工的Atthesciencefair,myprojectusedasmallblockofartificialwoodtodemonstratehowtobuildeco-friendlyfurniture.

在科學(xué)展覽會上，我的項目用一小塊人造木頭來演示如何制作環(huán)保家具。conditionn.長期疾病costv.價格為，需支付lendv.借給，借出lend(sb)ahand幫助（某人）做某事Becauseofhisheart

condition,thenewmedicinecosthimalotofmoney,sohisfriendofferedtolendhimsomecash.

由于他的心臟病，新藥花費了他很多錢，所以他的朋友主動借給他一些現(xiàn)金。3-Dadj.三維的，立體的printern.打印機(jī)inventv.發(fā)明，

創(chuàng)造Scientistsuseda3-D

printertoinventaspecialtoolthathelpsdisabledpeople.科學(xué)家們用3D打印機(jī)發(fā)明了一種幫助殘疾人的特殊工具。inventionn.發(fā)明weighv.重，重量是……kilogramn.千克，公斤fixv.解決（問題）downloadv.下載Theengineerhadtoweighthepartstomakesuretheywereunderfivekilograms,fixthesoftwarebug,anddownloadtheupdatetosolvetheproblem.

工程師必須稱重這些零件以確保它們低于五公斤，修復(fù)軟件漏洞，并下載更新來解決問題。Whatcanyouseeinthepictures?Whataretheydoing?Whattechnologicalinventionsdoyouuseeveryday?Ioftenuse...Myfavoriteis…becauseIcan...Lookatthepicturesandanswerthequestions.EastonLaChappelle

伊斯頓?拉沙佩勒What’shisname?Whatishedoing?Hewasshakinghands.Readthepassageandcheckyouranswer.—Wherewastheboy?Hewasatasciencefair.—Whatwashedoingatthatmoment?Hewasshowinghiswork.—Whatwasintheboy’shand?Therewasaroboticarminhishand.AneventwherestudentsmakeprojectstoshowscienceideasWhatisthepassagemainlyabout?It’smainlyabouthowEastonhashelpedpeoplewithhisinvention,anartificialarm.man-madeOrderthefollowingeventsinthepassage.______Eastonmadearoboticarmwithplasticblocksandfishingline.______Eastonallowedpeopletousehisdesignforfree.______EastonandJennymetatasciencefair.______Eastonmadeanartificialarmwitha3-Dprinter.1234Whatis3-D?3-Dmeans“three-dimensional(空間的)”.Itdescribesobjectsthathavethreemeasurements:

length,

width,and

depth.Forexample,adrawingofasquareisflatandhasonlylengthandwidth—that’s2-D.Butarealboxhasdepth,too.Youcantouchit,turnit,andseeitfromallsides.That’s3-D.Weseetheworldin3-Dbecauseourtwoeyesworktogethertohelpussensedepth.Thishelpsustellhowfarawaythingsare.Completethereadingchartwiththewordsandexpressionsfromthepassage.Where:Ata(n)__________Who:Jenny,agirlborn_____________Problemtosolve:Jenny’sartificialarmcost$80,000.Butchildrenlikeher___________,sotheyalwaysneednewarms.HowdidEastoncomeupwiththeidea?sciencefairwithoutanarmgrowquicklyAge14:Aroboticarm.Itwasmadefromplasticblocksand__________.Age16:Anartificialarm.Itcould__________withbrainsignals,butweighed3.6kilograms.Age23:Anotherartificialarm.It_______just0.5kilogramsand________around$500.WhatareEaston’sinventions?WhatdidEastondowithhisinvention?Hedecidedtoposthis_______onlineforfree.Peoplecouldmakeanartificialarmwiththeirown3-Dprinters.fishinglinemoveweighedcostdesignHowmanypartscanthearticlebedividedinto?HowdidEastoncomeupwiththeidea?WhatareEaston’sinventions?WhatdidEastondowithhisinvention?WhatwasEaston’sworkatthesciencefair?Whatwasitmadeof?Itwasaroboticarm.Itwasmadeofplasticblocksandfishingline.HowdidEastonfeelwhenheknewaboutJenny’sartificialarm?Whatdidhedecidetodo?Eastonfeltsurprised.Hedecidedtolendahandtopeoplelikeher.Answerthequestions.WhatdidEastondoafterthefair?Healwaystriedtoimprovehiswork.Heinventedanartificialarmwitha3-Dprinterandkeptworkingonit.Heenjoyedfixingproblemsoneafteranother.Andfinallyhehitonsuccess.torepairsomethingbrokenorsolvesomethingwrongtobecomesuccessfulWasEastonpleasedwithhisfirstartificialarm?Whyorwhynot?Ononehand,Eastonwaspleasedwithitbecausethearmwasabletomovewithbrainsignalsoftheuser.Butontheotherhand,hethoughtitwasn’tgoodenoughbecauseitwastooheavyforachild.WhatdidEastondowithhissuccessfulartificialarm?Whydidhedoso?Hepostedhisdesignonlineforfree.Hejustwantedtohelppeopleinneed.1.Eastonmadearoboticarmwithplasticblocksandfishingline.2.EastonandJennymetatasciencefair.3.Eastonmadeanartificialarmwitha3-Dprinter.4.Eastonallowedpeopletousehisdesignforfree.Retelltheevents.Event1:Beforethesciencefair,Eastonmadearoboticarmwithplasticblocksandfishingline.Event2:ThenEastonwenttothesciencefairwiththeroboticarmandmetJenny,agirlwithoutanarm.Atthatmoment,hedecidedtolendahandtopeoplelikeJenny.Event3:Afterthefair,Eastontriedtoimprovehiswork.Heinventedanartificialarmwitha3-Dprinter,butitwastooheavy.Thenhekeptworkingonit.Attheageof23,hehitonsuccess.Event4:Finally,Eastondecidedtoposthisdesignonline.Heallowedpeopletouseitforfree.1.HowwouldJenny’slifechangewithEaston’sinvention?Easton’sdesignwith____printersonlyweighed____kilogramsandcostaround$_______!BeforeAfterJenny’sartificialarmwasjusta_________,butitcost$_____.ThinkandSharesimplehook80,0003-D0.5500Creativityandpersistencecansolveproblems.Bysharinghisdesignforfree,heteachesusthattechnologyshouldhelpeveryone,notjustthosewhocanpay.Becreativeandpersistent.Sharetospreadlove.2.WhatcanyoulearnfromEaston?3.Whatahelpinghand!

Whatdoes“ahelpinghand”reallymean?2)Hisactionandkindness.Eastonpostedhisdesignonlineforfreetohelpmorepeople.Eastonishelpfultoothers.1)Hisinvention.Tomakecommentsaboutaperson,alwayslookforwhattheydo.Actionsspeaklouderthanwords.(事實勝于雄辯).Thinkofaproblemandcomeupwithanideaforaninvention.YourproblemHowWhatinventionWhatproblemdoyouface?Howdoestheproblemtroubleyou?Whatinventioncouldsolvetheproblem?(Becreative!Youcanbeasimaginativeasyouwant.)HowHowdoestheinventionwork?根據(jù)提示補(bǔ)全單詞。TherewasanChinesebook_______(展銷會)inthelibrarylastSunday.Runningisgoodforhealthandit________(支付)nothing.Weshouldalways_______(搭把手)ahelpinghandtothoseintrouble.Whenwemeetwithproblems,weshouldtryto_______(解決)thembyourselves.People_______(發(fā)明)manythingsalmostbyaccident.faircostslendfixinventedII.用所給詞匯的適當(dāng)形式完成句子。The_______(print)hasbecomeoneofthemostusefulmachinesintheoffice.I_______(lend)mybiketoJane,butshehasn’treturnedittome.Thebridgeisstrongenoughtoholdthe_______(weigh)ofmanycars.Theballissmallbutitweighsabout5________(kilogram).Somenew_________(invent)willbeonshowatthesciencemuseumintwomonths.printerlentweightkilogramsinventionsIII.根據(jù)漢語意思完成句子。更糟糕的是，快下雨了。

______________,it’sgoingtorain.2.在中國，當(dāng)我們第一次遇見人時，我們應(yīng)該握手。

Weshould_____________________eachotherwhenwemeetsomeone____________________________inChina.3.好朋友不但和你一起玩，而且會一直幫助你。

Agoodfriendnotonlyplayswithyou,buthelpsyou_____________________.What’sworseshakehandswithforthefirsttimeallthetime4.這個城市的所有公園和博物館都免費向公眾開放。

Alltheparksandmuseumsinthiscityareopentothepublic______________.5.通過多年努力，我們的團(tuán)隊終于取得了成功。

Ourteamfinally_____________________throughmanyyears’hardwork.6.這個故事太精彩了，簡直讓我震驚。

Thestorywassoamazingthatitjust_____________________.forfreehitonsuccessawayblewmeDoyouknowthemeaningsofthesewordsandexpressions?

偉大的發(fā)明__________________________改變某人的生活_______________________

來自__________________________________驅(qū)使某人做某事________________________制作展示板___________________________……的重要性___________________________

導(dǎo)致這些差異__________________________重點短語greatinventionschangeone'slifecomefromdrivesbtodosthmakeadisplayboardtheimportanceof...causethesedifferencesprinter(n.)打印機(jī)→__________(v.)打印weigh(v.)稱重→_______________(n.)重量invent(v.)發(fā)明→_______________(n.)發(fā)明printweightinvention

一名14歲的學(xué)生_____________________在科學(xué)展覽會上_______________________

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