金识源九年级英语全册 Unit 1 When was it invented？（第1课时）Section A（1a2d）课件 鲁教版五四制.ppt

unit1whenwasitinvented sectiona1a 2d doyouknowwhattheseinventionsare karlbenz doyouknowwhotheseinventorsare alexanderbell j l baird canyoumatchtheinventionswiththerightinventors karlbenzinventedthefirstcarin1885 thefirstcarwasinvented bykarlbenz in1885 thefirsttelephonewasinvented bybell in1876 bellinventedthefirsttelephonein1876 zxxk thefirsttelevisionwasinvented byj l baird in1927 j l bairdinventedthefirsttelevisionin1927 lookatthethingsbelow inwhatorderdoyouthinktheywereinvented discussthemwithyourgroup thennumberthem 1 4 1a 2 3 1 4 ithinkthetvwasinventedbeforethecar well ithinkthetvwasinventedafterthecar ithinkthetelephonewasinventedbeforethecomputer well iagreewithyou listening listenandmatchtheinventionswiththeyears 1b 1876 1885 1927 1971 d a c b studentb coverthedates studenta askstudentbwhenthethingsinthepicturein1bwereinvented thenchangerolesandpracticeagain practicing 1c whenwasthetelephoneinvented ithinkitwasinventedin1876 whenwasthecarinvented itwasinventedin1885 whenwasthetvinvented itwasinventedin1927 whenwasthecomputerinvented itwasinventedin1971 heeln 鞋跟 足跟 presentation scoopn 勺 铲子 electricityn 电 电能 e g ilikethestyleoftheskirt 我喜欢这条裙子的款式 stylen 样式 款式 listening listenandnumbertheinventions 1 3 intheorderyouhearthem 2a shoeswithspecialheels shoeswithlights hotice creamscoop runsonelectricity 1 3 2 listenagainandcompletethechart 2b changing serving inthedark thefirstinventionisshoeswith peoplealwayshittheirtoeson onthewaytothebathroomatnight sopeoplecanusethemfor inthe listenagainandfillintheblanks something seeing dark lights thesecondinventionisaspecialice cream itrunson andbecomeshot it s forservingreally ice cream scoop electricity used cold thelastinventionisshoeswithspecial peoplecanmovetheheels and youcan theheelsifyouaregoingtoa or themifyouarejustgoingoutfor heels down up raise party lower shopping makeconversationsusingtheinformationin2b whataretheshoeswithlightsusedfor 2c they reusedforseeinginthedark whatarehotice creamscoopusedfor they reusedforservingforreallycoldice cream whatareshoeswithspecialheelsusedfor they reusedforchangingthestyleoftheshoes heyroy thesubjectformyschoolprojectis smallinventionsthatchangedtheworld canyouhelpmethinkofaninvention role playtheconversation 2d mypleasure letmethink hmm iknow thezipper role play n 项目 工程 n 高兴 愉快 n 拉链 thezipper isitreallysuchagreatinvention thinkabouthowoftenit susedinourdailylives youcanseezippersondresses trousers shoes bags almosteverywhere adj 每日的 日常的 well youdoseemtohaveapoint ofcourse ithoughtaboutitbecauseisawawebsitelastweek thepioneersofdifferentinventionswerelistedthere n 网站 n 先锋 先驱 v 列表 列清单n 名单 清单 forexample itmentionedthatthezipperwasinventedbywhitcombjudsonin1893 butatthattime itwasn tusedwidely v 提到 说到 really sowhendiditbecomepopular around1917 1 well youdoseemtohaveapoint haveapoint有道理e g iadmit that youhaveapoint 我承认你有理 2 theyareusedforseeinginthedark beusedfordoingsth 表示 被用来做某事 与beusedtodosth 同义 表示用途 目的 e g thiscomputerisusedtocontrolallthemachines 这台电脑是用来控制所有机器的 doyouknowwhatthistoolisusedfor 你知道这个工具是用来做什么的 3 thinkabouthowoftenit susedinourdailylives thinkabout表示 考虑 想起 e g heisthinkingabouttravellinginthesummerholidays 他正在考虑暑假旅游的事 shewasthinkingaboutherchildhooddays 她正回想她的童年时期 拓展有关think的短语 thinkof指 考虑 记忆 记起 e g youthinkofeverything 你全都提到了 ican tthinkofhisnameatthemoment 我一时想不起他的名字 thinksth over指 仔细想 审慎思考 作进一步考虑 e g pleasethinko