2023学年完整公开课版9单元

新目标九年级英语

Unit9Whenwasitinvented?period1新桥中学龙凤SectionA1a-1cFourancientinventionscompassgunpowderMoveabletypeprintingpaperInventionschangedourlife!abacuscalculatorcomputer[ˈæbəkəs]['kælkjʊleɪtə(r)]Inventionschangedourlife!bikebicyclemotorbikecarplanetrainInventionschangedourlife!telephonephonemobilephonecandlelightbulbTVtelevisionWhowasitinventedby?Whenwasitinvented?Wherewasitinvented?Whatisitusedfor?ItwasinventedbyBell.Itwasinventedin1876.Itwas

inventedin

America.Itisusedfortalkingwithpeoplefaraway.Itisusedtotalkwithpeoplefaraway.Who?When?Where?What?Wrightbrothers1903AmericahelppeoplegooutfastWho?When?Where?What?Edison1880AmericahelppeopleseethingsatnightWho?When?Where?What?Carl1600HollanddrivepeopletosomewherefarawayWrightbrothers1903AmericaBell1876AmericaEdison1880AmericaCarl1600HollandA:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.presentation1aListenandmatchtheinventionsandthedates.SectionA1b____1876____1885____1927____1971____1976daecb18761885192719711976Whenwas

thecarinvented?Itwasinventedin1885.1cPairwork练习：Sunglassesareused________protectingyoureyesinsunnydays.A.for B.to C.withD.in(2007宁夏)[答案和解析]A。beusedfordoingsth.意为“被用来做某事”。练习：Ⅰ.根据汉语提示完成英语句子，每空一词。(1)伞是用来遮雨的。Theumbrellaisused____________yourselffromrain.(2)我习惯于吃比萨。I_______________pizza.(3)我过去常常在放学后跳舞。I___________afterschool.forkeepingamusedtoeatingusedtodanceⅡ.根据句意,用介词as,by完成下面句子。(1)Englishisused______thesecondlanguageinmanycountries.(2)Thesetextbooksareused______students.asbyinvent,

inventor,invention

的用法1.He______anewkindofmachinelastyear.2.Edisonisagreat_______.3.Therearefourgreat______inancientChina.inventedinventorinventions1.纸是中国发明的。

PaperwasinventedinChina.2.这栋大楼是去年建造的。

Thebuildingwasbuiltlastyear.3.这本小说已被译成了几种语言。

Thisnovelhasbeentranslatedintoseverallanguages.WrittenExpression学完本节课之后,你一定有一些想法,长大后，你想成为一个发明家吗？你想发明什么?它是用来做什么的，请把你的想法写下来吧。

Onepossibleanswer挑战你的想象力Iwanttobeaninventor

whenIgrowup,IdreamofbeingaainventorlikeEdison.Iwillinventakindoffood.Thefoodisusedforsmelling.AfterIsmellit.Iamnothungry.Ican