仁爱版九年级英语上册Unit 2 Topic 2 Section B教案

2Earth2教教目Learnsomesentences.speaking,andwriting,usethelanguage.Learntheprotectingthe教重点Theofindefinitepronounand教幻灯片录机图片教过Step自学纲新课导入通过方格游戏，来复习不定代词和不定副词的用法。(让同桌两人做一个×3的格将上节课A中的个不定代词(everyone和everybody任其一)放入方格中教师事先准备九道练习题案就是方格中的九个不定代词。教师将这些习题逐一呈现出来，同桌两人抢圈答案，谁抢到的多谁获胜。在此过程中，教师每呈现一题核对一次答案)(表格及习题如下：none

somethingeveryone

anythingeverybodyanybodyothersNoneusstopbehavior.Ibutanswered.

booksarethanothers.Shecarwithhandandwipingthewindowwiththeother.Ilookingforsomethinguseful.Youtanythingshesays.5000peopleherealmosthashis/herowncar.HethananybodyIIlookedeverywhereItfindit.Step合作动通过多媒体呈现中图，创造情景对话，呈现新单词和词组，学习。呈现中的图片，学习新词汇。T:at2in1c.T:(指着第二幅图。thescenerySs:T:OK.lookatPictureitbeautiful?Ss:T:Whathappenedforest?Ss:IthasT:havetootrees.T:lookPictureAlotofearthhasbeenaway.Why?Ss:peoplecutdown…(教师引导学生回答。T:Thatsright.Treespreventwatertheearthaway.T:LelookatPictureTheintodesert.T:lookPictureWhattheweatherlike?Ss:Itbad.T:IwithThewindblowingstronglywithofWecallitT:goodbadSs:Itbad.T:Verysharmfulonlytohumanbeings,butalsoanimalsandplants.T:whatcanweprotectDiscussinfour.学生两分钟，让他们讨论。)

:Plant1:Stopcutting2:3T:Althoughdonelottotheenvironment,notenoughyet.workharder.让学生组讨论完成。T:Doknowrelationsbetweenhumansandstorms?youknowsandstormsintobeing?lookatin1candthem.让学生成小组，读1a提出不懂之处。小组内讨论，解决各自提出的问题；最后全班共同讨论决留问题此式可以让学生充分参与到教学过程中来自探究学习，教师做补充讲解。T:OK,pleaseworkinFindtalkaboutlanguageIlltogiveanswers教师放录音，学生表演朗读，完成。让学生明白树木在环境保护中的重要性，增强环保意识。教展示一幅水被污染的图片，呈现新词汇。让学生懂得怎样保护和节约水资源。T:Nowthatalotofwatercanwater?Ss:itveryimportant.T:Thatsright.tlivewithoutwater.shouldprotectwater.示一条被工厂污染的河的图片，引出新词汇。)T:atpicture.CanpeopledrinktheintheSs:T:Why?Ss:istoodirty.T:Whatit?Ss:arepouringwatertheriver.T:Good.Whatcandoto:Pullfactories.1:Writetothenewspaperorthegovernment.2:3

T:VerycanfactoriespouringintoriversofftheirwaterAndpassit.T:Doknowwaysofprotectingandsavingwater?