Animal--Extinction动物灭绝 公开课

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

AnimalExtinction灭绝;消亡1.Readquicklytogetthemainideaofthetext.2.WhatwasdiscoveredinChaoyangCounty,LiaoningProvince?3.Whatarethepossiblereasonsforthedisappearanceofdinosaursreferedinthetext?•Animalshavedisappearedduringthelonghistoryoftheearth.Themostfamousoftheseanimalsaredinosaurs.Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime.ThereweremanydifferentkindsofdinosaursandanumberofthemusedtoliveinChina.Theeggsoftwenty-fivespecieshavebeenfoundinXixiaCounty,NanYang,HenanProvince.Notlongagoararenewspeciesofbird-likedinosaurwasdiscoveredinChaoyangCounty,LiaoningProvince.Whenscientistsinspectedthebones,theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees.Theylearnedthisfromthewaytheboneswerejoinedtogether.恐龙形成;产生检查;视察•Dinosaursdiedoutsuddenlyabout65millionyearsago.Somescientiststhinkitcameafteranunexpectedincidentwhenahugerockfromspacehittheearthandputtoomuchdustintotheair.Othersthinktheearthgottoohotforthedinosaurstoliveonanymore.Nobodyknowsforsurewhyandhowdinosaursdisappearedfromtheearthinsuchashorttime.•Weknowmanyotherwildplants,animals,insectsandbirdshavediedoutmorerecently.AccordingtoaUNreport,some844animalsandplantshavedisappearedinthelast500years.事件;事变灰尘ahugerockhittheearthputtoomuchdustintotheairthedustblockedthesun’slightplantscouldn’tgrowmanydinosaursdiedforlackoffoodOthersthinkstheearthgottoohottorthedinosaurstoliveonanymore.•Writeanarticleaboutyourfeelingsonwhatyouwilldotoprotectanimalsandourenvironment.Thankyouforlistening!

1 / 15
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功