高中英语 Unit4 PeriodIV Using language学案新人教版必修2.doc

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1、PeriodIVUsinglanguageAnimalextinctionStep1.PredictionFromthetitleandthepictureonpage30,canyoupredictwhatthispassageisabout?Whatotherexamplesofanimalextinctiondoyouknow?___________________________________________________________Step2.Readingandlistening.Task1.Listentothepassageandfindt

2、heanswersofthefollowingquestions.1.Whendiddinosaurslive?___________________________________________________________2.Whendiddinosaursdieout?___________________________________________________________3.Howdiddinosaursdieout?___________________________________________________________Tas

3、k2.Readthepassageanddecidewhetherthefollowingstatementsaretrueorfalse.1.()TherearemanydifferentspeciesofdinosaurandallofthemhavebeenfoundinChina.2.()Notlongago,ararenewspeciesofbird-likedinosaurwasdiscoveredinHenanProvince.3.()Somescientistsaresuredinosaursdiedoutbecausetheearthgottoo

4、hotforthedinosaurstoliveonanymore.4.()Dinosaursdiedoutquicklyabout65millionyearsagoandmanyanimalshavediedoutinthesameway.5.()Dinosaurslivedontheearthtensofmillionsyearsago,beforelonghumanscameintobeing.Task3.DiscussionIfyouwerethelastdinosaurontheearth,whatwouldyoudo?_________________

5、___________________________________________________________________________________________________Step3.Post-readingTask1.Listentododo’sstoryandsummarizethemainideaofthestoryusingonesentence.__________________________________________________________Task2.Listenagainanddoexercise4onpa

6、ge30.Task3.Isthereanydifferencebetweendinosauranddodo’sextinction?Whatarethey?