在二十世紀(jì)二十年代

toourclass!StudyingAims1.Tomastersomeusefulexpressionsandphrases.

onshow,ondisplay,theMuseumofNaturalHistory,discover,humanbeing,lay,explaintheirdisappearancebecoveredwithfeathers2.TomasterthePassiveVoiceinthePastSimpleTense.

Lesson38FreetalkHaveyoueverseendinosaursondisplayinamuseum?Whatdoyouknowaboutdinosaurs?I’madinosaur.Here’remyrelativesandfriends.We,dinosaurslivedontheearthformorethan150millionyears,andthendisappearedabout65millionyearsago.Whydidwedisappear?Scientiststrytoexplainourdisappearance,butthey’vegotmorequestionsthananswers.Dinosaurslaidtheeggslikehensorducks.TheseeggswerefoundintheGobiDesertbyagroupofscientistsinthe1920s.Theseeggswerelaidlonglongagobydinosaurs.ThissummerIwenttoBeijingMuseumofNaturalHistorytovisitsomedinosaurswithmyfriends.Therewesawthefossilsofmanykindsofdinosaurs.,andwealsosawmanydinosaureggs,theywereverybig.Itissaidtheywerelaidabout95millionyearsagobydinosaurs.Weknewthattheylivedontheearthformorethan150millionyearslongbefore

humanbeingsappeared.Wewereshownapictureofafeathereddinosaur.Butwedon’tknowwhytheydisappeared,andthescientistscan’texplaintheirdisappearance.ThefossilsofmanykindsofdinosaursDinosaureggsApictureofthefeathereddinosaurdinosaursTask1–Listening1.WherecanWei

Huaandherclassmatesseethefossilsofmanykindsofdinosaurs?2.WeretheeggsfoundintheGobiDesertbyagroupofscientistsinthe1920s?3.Wherewasaveryspecialdinosaurdiscovered?IntheundergroundDinosaurWorld.Yes,theywere.ItwasdiscoveredinLiaoningProvince.Task2–Readandanswer1.Whichmuseumdidthestudentsvisit?2.Wheredidtheygofirst?3.Whenweretheeggsfound?

4.Whendidthedinosaursdisappear?5.Whywasthedinosaurspecial?

TheyvisitedtheMuseumofNatureHistory.TheywenttotheDinosaurWorldfirst.Theywerefoundinthe1920s.Theydisappearedabout65millionyearsago.Becauseitwascoveredwithfeathers..Task2–ReadingReadthetextbyyourselvesandfindthedifficultquestions.Usefulexpressionsandphrases:1.avisittotheMuseumofNaturalHistory2.anundergroundDinosaurWhe1920s=inthe1920’s在二十世紀(jì)二十年代翻譯:在十九世紀(jì)六十年代5.trytoexplaintheirdisappearance6.averyspecialdinosaurondisplay7.apictureofthefeathereddinosaur8.becoveredwithfeathers9.Thatmeansdinosaurslivedlongbeforehumanbeingappeared.10.Wecanseemanydinosaursdiscoveredbyyou.thebookwrittenbyLuXun

魯迅寫的書inthe1860sLastSaturday,agroupofstudentsvisitedtheBeijingMuseumofNaturalHistory.Theywerevery___________dinosaurs,sotheyvisitedtheDinosaurWorldfirst.Theretheysawmanybigdinosaur________.Theseeggswere_______intheGobiDesert______agroupofscientistsinthe1920s.Theeggswere______longlongago________dinosaurs.MissLi,their______,toldthemthatdinosaurslived_______theearth_____morethan150millionyears,andthen_________65millionyearsago.Therewasalsoaspecialdinosaur_________inthemuseum.Thisdinosaurwas_______inLiaoningProvince,itwas_______withfeathers.Itlooked_____abigbird.Manyscientists_______thatdinosaurshavenot_________.Theythinkdinosaurs____________birds.LastSaturday,agroupofstudentsvisitedtheBeijingMuseumofNaturalHistory.Theywerevery___________dinosaurs,sotheyvisitedtheDinosaurWorldfirst.Theretheysawmanybigdinosaur________.Theseeggswere_______intheGobiDesert______agroupofscientistsinthe1920s.Theeggswere______longlongago________dinosaurs.MissLi,their______,toldthemthatdinosaurslived_______theearth_____morethan150millionyears,andthen_________65millionyearsago.Therewasalsoaspecialdinosaur_________inthemuseum.Thisdinosaurwas_______inLiaoningProvince,itwas_______withfeathers.Itlooked_____abigbird.Manyscientists_______thatdinosaurshavenot_________.Theythinkdinosaurs____________birds.ondisplaydiscoveredcoveredbelieveddisappearedhavebecomefoundbyeggsinterestedinlaidbyguideonfordisappearedlike用所給詞的正確形式填空:1.A______dinosauriscoveredwith_____.(feather)2.Theeggswere________longlongago.(lay)3.Thewindisblowing________.(strong)4.Theanimals_________about65millionyearsagoandthescientistwantedtoexplaintheir_________(disappear)5.It____________(discover)byscientists.6.Hewasmade____(do)housework.7.Youcanseemanydinosaurs_________(discover)byyouinthemuseum.8.Iwenttothe______(big)sciencemuseumintownyesterday.9.Wehaveseenmanyold________onshow.Theywere_____bypeoplemanyyearsago.(invent)10.Therearetwo________tothecinema.(enter)11.Theschool________(found)in1924.featheredfeatherslaidstronglydisappeareddisappearancewasdiscoveredtododiscoveredbiggestinventionsinventedentranceswasfounded完成下列句子:1.這些是昨天下的蛋.Theseeggs__________yesterday.2.這家醫(yī)院是二十世紀(jì)五十年代建成的.Thishospitalwasbuilt____________.3.群山被雪覆蓋著.Allthehills________________.4.我將來想當(dāng)一名科學(xué)家.Iwanttobe_________________.5.科學(xué)家們盡力解釋他們滅絕的原因.Thescientiststry___________________.6.昨天下午所有展出的機(jī)器銷售一空.Allthemachines_______were_________yes