Unit 7 Environment学案

unit7environmentreadingaobjectives1    tolearnthecauseofthegreenhouseeffect2    tolearnhowtobeagreenconsumerteachingprocedurewarming-up1.      cartoontalk2.      showsomerelevantpicturesaboutthepollution.beforereadingaskthequestionsbelow:1.whatdoyouthinkofthesebehaviorstotheenvironment?2.doyouknowwhatotherbehaviorshumanbeingsharmtheenvironment?duringtheprocess,somenewwords,suchasgreenhouseeffect,atmosphere,cause,food,soil,environmentallyfriendly,canbeimbedded.whilereading1.      askstudentstoreadthefirstparagraphandtheheadingsinthereview.thentrytoanswerfourquestions:1.whatisthenameofthebook?2.aconsumerbuysandusesthings.whatdoyouthinkagreenconsumeris?3.whatdoyouthinkthemaintopicofthebookis?4.howmanytopicsdoesthereviewcover?  key:1.theyounggreenconsumerguide.2.aconsumerthatonlybuysanduses“environmentallyfriendly”things.3.themaintopicofthebookistosaveearth.4.4.2.      scantherestofthetextandthenanswerthequestionsbelow:1.whatletssunlightinandkeepsmuchofthewarmthfromgettingout?2.whatismakingthegreenhouseeffectworse?3.whatwillcreatemountainsofrubbishandpolluteourlandandseas?4.whatisthebookaskingustobecome?  key:  1.theatmospherearoundearth.  2.theburningandcuttingdownoftrees.  3.ourhabitofusingthingsonceandthenthrowingthemaway.  4.thebookisaskingustobecome“greenconsumers”.after-reading:1.dotheexerciseina3.2.questions:howcanweactasgreenconsumerstoprotecttheenvironment?3.explainsomelanguagepoints.学案

readinga1.根据短文和首字母提示，写出短文中所缺单词的正确形式。 theyounggreenc_____guidesaysthatourworldisindangerbecausewehavemanye_____problems.ourfirstproblemisthegreenhouseeffect.itwillc_____thelevelofseastoriseandd_____citiesandevenwholecountries.thesecondoneistheactthatpeopled   rainforests.itwillcausef_____becausetreescanhelpholdthes_____.ourlastproblemispeople’sbadhabitsofusingthings.theythrowawayeverythingaftertheyuseitonce.andthisc_____mountainsofrubbishanditp_____ourlandandsea.2.用所给单词的适当形式填空。1)theprofessor’stalkwasso_____thatinearlyfellasleep.(1ife).2)thefactorynearourschoolletsoutalot0i_____gaseseveryday.(harm)3)peoplecreatemountainsofrubbishandthiscauseslotsof(pollute).4)thinkitoverbeforeyoutake_____.(act)5)theactofdestroyingrainforestsismakingthegreenhouseeffectmuch_____(bad).6)weshouldonlybuyanduse“environmentallyfriendly”thingsto_____ourworld.(safe)3.根据中文意思填写所缺的单词，每条横线限填一个单词。1)为了学好英语，我们要做大量的练习。_______________learnenglishwell，wemustdolotofpractice.2)树木对我们很重要，因为它们吸收二氧化碳而释放氧气。treesareimportanttousbecausethey__________carbondioxide(二氧化碳)andletoutoxygen(氧气).3)早睡早起的习惯使我舅舅很健康。_______________   sleepingearlyandgettingupearlykeepsmyunclehealthy.4)我希望每个人都能成为“绿色消费者”。ihopeeveryonecanbea__________.5)现在我们使用环保袋，因为它们不会污染和破坏环境。nowweuse“environmentallyfriendly’’bagsbecausetheywon’t_____or_____theenvironment.6)他爸爸费了很大劲才阻止了他放弃学习英语。hisfathertriedveryhardto_____him_____ _____uplearningenglish.共2页，当前第1页12