Unit4Inventions-Writing主題范疇：人與社會(huì)主題群：科學(xué)與技術(shù)子主題：科學(xué)技術(shù)與工程，人類發(fā)明與創(chuàng)新KeyquestionWhatmakesaninventiongreat?

masterthekeywordsandphrasesrelatedtoinventions,suchas"solarpower","topspeed","insteadof",etc.

drawamindmapbeforewritingaboutmyideaforanewinvention;

writeanarticleaboutanewinventionwithwhatIhavelearntinthisunit.Learningobjectives學(xué)習(xí)目標(biāo)Attheendoftheclass,studentswillbeableto:

LeadinLet’splayaguessinggame.Readthedescriptionandguesswhattheinventionis.Itusuallyhasarectangularshape.Somearewhite,andsomemayhaveothercolors.Peoplecanfeelcomfortableindifferentseasonswithit.Itcanmaketheroomcoolinsummerandwarminwinter.airconditionerLeadinLet’splayaguessinggame.Readthedescriptionandguesswhattheinventionis.

Itisatallandlargeappliance,usuallywitharectangularshape.Itcanbewhite,silverorothercolors.Itcankeepfoodfreshforalongtime.Peoplecanstorealotoffoodinitandenjoyfreshfoodwhenevertheywant.fridgeLeadinItisoftenalarge,box-likeappliance.Itcanbewhiteorsilver.Itcancleanclothesautomatically.Peopledon'tneedtowashclothesbyhandanymorewithit.washingmachineLet’splayaguessinggame.Readthedescriptionandguesswhattheinventionis.LeadinItisasmall,flatdevicethatcanfitinyourpocket.Ithasascreenonthefrontandbuttonsoratouch-screeninterface.Itcanbeusedformakingcalls,sendingmessages,surfingtheInternet,takingphotosandmanyotherthings.smartphoneLet’splayaguessinggame.Readthedescriptionandguesswhattheinventionis.LeadinItisusuallyroundinshape.Itisoftenmadeofmaterialslikerubber,metal,orplastic.Itmakesmovingheavyobjectsmucheasierandsavesalotofeffort.Peopleuseitonvariousthings—likecars,bicycles,carts,andevenofficechairs.wheelLet’splayaguessinggame.Readthedescriptionandguesswhattheinventionis.Pre-writingAfterreadingthedescriptions,canyousummarizewhatcanwewriteifwewanttointroduceaninvention?shape/appearancematerialbenefitsusagePre-writingWritinganarticleaboutanewinvention.AskquestionsaboutWangYao’sinvention—Aflyingcar.Collectideasforthemindmapbelow.Myinvention—AflyingcarWhatitisWhatitcandoMainfeaturesBenefitsofmyinventionWhatitlookslikePre-writingReadWangYao’sarticletofindouthowsheorganizedherideas.WhatitisWhatitcandoMainfeaturesBenefitsofmyinventionWhatitlookslike①②③④While-writingReadWangYao’sarticleandcompletethemindmapwithkeywords.Readfordetailsaflyingcarfast,convenient,greenfourwheelsusesolarpowertravelatatopspeedof300km/hbecontrolledbyvoicetwowingsavoidtrafficjammakedrivingamoreexcitingexperienceflyanywheretheylikeandenjoytheviewatthesametimeWhatitisanditsmainfeaturesWhatitlookslikeWhatitcandoItsmainbenefitsAflyingcarrunonlandflyintheairWhile-writingReadforlanguageUnderlinethesentencesthatdescribethecar’sfeatures.Howdoesthewritermakethemclearandconvincing?topicsentenceWhile-writingComparethefollowingsentencesanddecidewhichisbetter.ReadforlanguageSentence1:Ittravelsalongwayinashorttime.Sentence2:Ithasatopspeedof300km/h.Youcantravelfartherdistancesinlesstime.Sentence3:Insteadofpetrol,thecarusessolarpower,soitwillnotpollutetheair.Sentence4:Theflyingcardoesn’tusepetrol.Itusessolarpower.Itwillnotpollutetheair.Tip1:Usenumbersandcomparativelanguagetomakesentencesclearerandmorepersuasive.Tip2:Uselinkingwordstomakesentencesmorecoherent.While-writingPlanandwriteStep1Drawamindmapforyourowninvention.Step2Writeaboutyourinvention.Youcanalsodrawapictureofit.Post-writing寫作思路：Part1:Whatitis&Whatitdoes①

Myinventionis________(你的發(fā)明名稱).Itis________,________and________.(使用三個(gè)形容詞概括發(fā)明的特點(diǎn)，如：useful,smart,

green,amazing,cool等)

②

The________(發(fā)明名稱)has________(描述其主要部件，如：ascreen,asensor,twobuttons,fourwheels).Itcan________and________.(列出它的主要功能，功能一和功能二)Part2:Main

Features

Ithasatopspeedof________(描述速度/效率).Youcan________(這樣做帶來(lái)的好處).The________(發(fā)明名稱)canbecontrolledby________(控制方式，如：voice,aremotecontrol,asmartphoneapp).Ifyou________(給出一個(gè)具體的指令示例),itwill________(描述發(fā)生的反應(yīng)).Thenyoucan________(描述用戶能做的事情).Youwillfeelas________asa________(使用一個(gè)比喻，如：freeasabird,happyasaking).Insteadof________(傳統(tǒng)能源，如：petrol,electricity),ituses________(新能源，如：solarpower,air),soitwillnotpollutetheenvironment.Part3:Benefitoftheinvention

Asweknow,________(描述一個(gè)現(xiàn)實(shí)存在的問(wèn)題，如,trafficisgettingheavier,peoplehavelesstimetoread).Myinventionwillhelppeople_______(解決什么問(wèn)題，如,avoidtrafficjams).Itwillmake________(相關(guān)活動(dòng))amore________(形容詞，

如：exciting,enjoyable,relaxing)experiencetoo.Peoplecan_____(展望美好的使用場(chǎng)景)andenjoy______atthesametime.實(shí)用表達(dá)：外形：特點(diǎn)：能源圓的round方的square大的huge小的smallsilver銀medal金iron鐵wood木頭

方便的convenient特別的special環(huán)保的green創(chuàng)新的creative/innovative舒服的comfortable現(xiàn)代的modern有用的useful珍貴的valuable流行的popular輕的

lightsolarpower太陽(yáng)能windenergy風(fēng)能air空氣能tidalenergy潮汐能petrol汽油electricity電能ü

描述外形：Itlookslike_________andhas__________.ü

描述功能：Itisableto_________.Ithastheabilityof__________.ü

使用什么能源Insteadof_________,ituses________soit’

sgreener/moreeco-friendly.ü

描述現(xiàn)狀，提出優(yōu)勢(shì)：Asweknow,theproblemof_______

isgettingserious.Myinventionw