福建省福清市九年级英语上册《Unit4 Amazing Science》课件1 人教新目标版.ppt

unit4amazingscience topic2whenwasitinvented sectionb 教学目标 1 goonlearningthesimplepastpassivevoice 2 learnsomeinformationabouttheclonetechnology 3 letstudentsknowsomethingaboutscience learnsomeusefulsentences 1 doyouknowwhenitwasinvented 2 itwasinventedin1879 3 cloningisfamousthroughouttheworld 4 thereisdnainmostlivingthings includinghumanbeings 5 nodoubtcloningcanhelpsavethoseanimalsindanger greatinventionsmakeourlifecolorful pleasechooseonetotalkabout englishlearningmachine around2005 beijingren aieducationinstitute learnenglish digitalcamera 1975 america takephotos mp3player 1998 korea listentomusic mobilephone 1973 america communicateeasily newwords bulb电灯泡clone克隆experiment实验benefit使受益 对 有用organ器官 aids艾滋病laptop便携式电脑 digitalcamera lookandread lightbulb mobilephone sciencemakeourworldwonderful michael janeandtheirclassmatesarevisitingthesciencemuseum look alightbulb whenwasitinvented whowastheinventor listenandanswerthequestions in1987 bythomasedison 录音 1 whoinventedit 2 whenwasitinvented look listenandanswer edison in1879 3 howmanyinventionsdidheinventduringhislife aboutmorethan1000inventions 1 what sthis aradio 2 whowasitinventedby guglielmomarconi 3 whenwasitinvented in1895 1 what sthis anairplane 2 whowasitinventedby wilburandorvillewright 3 whenwasitinvented in1903 1alisten readandsay read1aandfilloutthetable radio airplane thomasedison wilburandorvillewright 1879 1895 inventoryeara karlbenza 1925b johnbairdb 1876c alexandergrahambellc 1885 listentothetape choosethecorrectanswersandfillintheblanks a c b c b a 录音 invent america in1946 a wherewerecomputersinvented b theywereinventedinamerica a whenwerecomputersinvented b theywereinventedin1946 lookandtalkaboutthepicture knowsomethingaboutscience cloning afamousexperiment theclonedsheep wascreatedinscotlandafewyearsago theclonedmice theclonedcows theclonedpigs theclonedanimals thisistheclonedsheep dolly whatisusedincloning it sdna lookanddiscuss retellthepassage wouldyouliketosaysomethingaboutthefamousexperiment cloningdolly createdinscotlandotherclonedanimalsdnathesameasbesimilartoexactlythesame listenandanswerthequestions 1 what sthenameoftheclonedsheep dolly 2 whatanimalshavethescientistsclonednow sheep rabbits cows mice pigsandsomeotheranimals 3 whatisusedincloning dna 4 isyourdnasimilartoyourparents yes itis 5 whatdoesthewriterwanttoclone whatdoyouwanttoclone why 录音 discussthequestionsin3aandthenmarkthestatements t fortrueor f forfalse 1 theclonedsheep dolly wasclonedincanada 3bgroupwork f 2 sofar scientistshaven tclonedanypigs 3 everypartofourbodyhasdifferentdna 4 thereisdnainmostlivingthings f t t 3b groupwork read3aagainanddiscussthefollowingquestions whoisdollyandwhatisusedincloning 2 whataretheadvantagesanddisadvantagesofcloning 1 doyouknowaboutdolly theclonedsheep iamgoingtobuyacarmadeinchina 4 besimilarto与 相似thesame as as as与 一样 疑难解答 2 dna脱氧核糖核酸dnafingerprintingdna指纹鉴定 重点词 组 和句型1 inourdailylifeinoureverydaylife2 inventv inventorn inventionn theinventorsinventedmanygreatinventions 3 it ssaid reportedthat clause 4 duringone slifeinone slife 5 thesameasbesimilartobedifferentfrom6 thereis nodoubt pairwork makeupdialogsaftertheexample shenzhou lauch inchina in2008 piratesofthecaribbeandirect bygoreverbinski in2006 laptop invent injapan in1985 invent injapan in1985 a wherewerelaptopsinvented b theywereinventedinjapan a whenwerelaptopsinvented b theywereinventedin1946 lookandtalkaboutthepicture 当堂检测一 词组互译 1 科技博物馆 6 itissaidthat 2 在日常生活中 7 thesameas 3 与 不同 8 besimilarto 4 迄今为止 9 duringone slife 5 从 中克隆的 10 bemadeinto 二 选择合适短语填空 并注意其适当形式 bedifferentfrom takephotos besimilarto sofar thesame as 1 theweatherintheusa thatinaustralia 2 thestudenthasmade mistakes hedidlasttime 3 digitalcameraisusedfor moreandmoreteenagersinamericahaveshowedgreatinterestinlearningchinese 5 groupthree sopinions ours aresimilarto thesame as takingphotos isdifferentfrom sofar 三 用所给词的适当形式填空 1 itwasusedinour study day 2 theairplaneisdifferentfrom today 3 ithinkthefilmwas byzhangyimouin1998 direct 4 edison anamerican createdmanythings invent 5 sofar theyhave manyanimals clone 6 shenzhou launch in2005 daily today s inventor cloned directed waslaunched 四 根据句意及首字母提示写出单词 1 guglielmomarconiisthei oftheradio 2 thiskindofmachineisw usedforharvestinginthecountryside 3 nowadaysmoreandmorepeopleusemobilephonestoc witheachother 4 shakespearec manyfamouscharacters suchashamle