二十世纪二十年代

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1、Lesson38ByMissYangAVisittotheMuseumofNaturalHistorydinosaurafeathereddinosaurdinosaureggsfossilfeathersdesert1.Whatdoyouknowaboutdinosaurs?WelcometoDinosaurWorldDinosaurisananimalthatwecannotseeontheearthnow.Whatweseeinthemuseumarethefossilsofmanykindsofdinosaurs.Theywerefoundbythepeopleathomean

2、dabroad.Somedinosaurshavelongnecksandtails,whileotherslooklikebirds.Theycanbedividedintotwogroupsaccordingtothestructureoftheirbody.Lookatthesebigeggs.Theseeggswerelaidbydinosaursabout95millionyearsago.ManydinosaureggswerefoundinSichuanandLiaoningProvince.Theyhelpscientiststolearnmoreaboutdinosa

3、urs.Dinosaurslivedlongbeforehumanbeingsappeared.Buttheydisappearedabout65millionyearsago.Nooneknowswhythehugeanimaldisappearedsuddenly.Themorescientistsstudytheanimal,themorequestionstheyhave.Theytelldifferentstoriesabouttheirdisappearance.Perhapsinthefuture,youcantellusyourexplanation.It'sanint

4、erestingjobtostudydinosaurs.Doyouknowthereason?Justthinkaboutit.2.Haveyoueverseendinosaursondisplay(onshow)inamuseum?GrammerFocusTheseeggswerefoundintheGobiDesertbyagroupofscientistsinthe1920s.Theseeggswerelaidlonglongagobydinosaurs.Inthe1920s二十世纪二十年代Theseeggswerelaidabout95millionyearsago.Itwas

5、discoveredinLiaoningProvince.Thedinosaurwascoveredwithfeathers.ThePassiveVoiceofthepastformbe(was/were)+p.p.Exercises1.在辽宁发现了恐龙化石。ThefossilsofthedinosaurswerediscoveredinLiaoning.2.这只蛋是那只母鸡昨天下的。Theeggwaslaidbythathenyesterday.3.去年我的家乡建了一座现代化的工厂。Lastyearamodernfactorywasbuiltinourhometown.4这部小说是谁

6、写的？Whowasthestorywrittenby?5.他们工作了一整天，一定累了。Theyhaveworkedallday,theymustbetired.Discussion:Whydiddinosaursdisappear?TheendThanksforwatching