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时间:2017-11-29
《良种牛快繁与优质牧草开发产业化示范工程可行性研究报告》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、humanscameintobeingandtheirfutureseemedsecureatthattime.Thereweremanydifferentkindsofdinosaurandanumberofthemusedtoliveinchina.Theeggsoftwenty-fivespecieshavebeenfoundinXixiaCounty,Nanyang,Henanprovince.Notlongagoararenewspeciesofbird-likedinosaurwasdiscoveredinCountry,liaoni
2、ngProvince.Whenscientistsinspectedthebones,theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees.Theylearnedthisfromthewaytheboneswerejoinedtogether. Dinosaursdiedoutsuddenlyabout65millionyearsago.Somescientiststhinkitcameafteranunexpectedinci
3、dentwhenahugerockfromspacehittheearthandputtoomuchdustintotheair.Othersthinktheearthgottoohotforthedinosaurstoliveonanymore.Nobodyknowsforsurewhyandhowdinosaurdisappearedfromtheearthinsuchashorttime. Weknowmanyotherwildplants,animals,insectsandbirdshavediedoutmorerecently.Acc
4、ordingtoaUNreport,some844animalsandplantshavedisappearedinthelast500years.Thedodoisoneofthem.ItlivedontheIslandofMauritiusandwasaveryfriendlyanimal.Pleaselistentoastoryofthedodoandhowitdisappearedfromtheearth. (3)Thereturnofthemiludeer MynameisLinhui.Iliketotellstoriesaboutpe
5、oplewhoworktogether.Whatisevenbetteriswhencountrieshelpeachotherandbuildagoodfriendship.AnexcellentexampleofthishappenedwhenBritainandChinaworkedtogethertobringtheMiludeerbacktoChina. TheMiludeer,aspecieswithlargehorns,usedtobecommoninChinalongago.Likeotherdeertheylivetogethe
6、randeatgrassandthesoftpartsoftreessuchassmallbranches.Miludeerwereoftenhuntedforfoodorsportinthepast.The,MingandQingdynastiesdidnotprotectthemandmanywerekilled.ThatishowtheMiludeerdisappearedfromChina. Luckilybeforeallofthemwerekilled,someweretakentoBritaintoimprovetheenviron
7、mentofthebeautifulparkwhichbelongedtotheDukeofBedford.HelikedthemsomuchthathetookthemallthewayfromChinatoBritain.TheMiludeerlikedthecool,wetweatherinEnglandandtheirnumberincreasedyearbyyear.Asaresult,whenin1985thegovernmentofChinawantedtoreintroducetheMiludeer,theDukeofBedfor
8、dwashappytohelp.ThefirstdeercamebacktoChinatotheNanhaiziMiluPark20ki
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