英语人教版八年级下册Lesson 8 why are plants import.ppt

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1、乐雅学校高振芳Areyoureadyforclass?Welcometomyclass!Reviewandleadin:Howdoyouplantatree?Whydoweneedtrees?Lesson8：WhyarePlantsImportant?Newwords:[′pleznt]adj.使人愉快的[ʃeɪd]n.树荫；阴凉处[fʊl′fɪl]v.达到；执行[′beɪsɪk]adj.基本的，基础的[sɔɪl]n.土，土壤pleasantshadefulfillbasicsoillisteningTreesandothe

2、rplantshelptheair.It’stowalkintheforest.Theyhelpusourneeds.Peopleuseplantsmanyways.Theforestisimportantto,too.Andplantscoverthe.Inaword,wecan’tliveplants.cleanpleasantfulfillbasicinanimalssoilwithoutReadthelessonandticktheitemsmentioned.（）Peoplecaneatplantsorusethe

3、masmedicine.（）Plantshelpmaketheaircleanandfresh.（）Manyanimalsliveintheforest.（）Books,paper,pencilsanderasersallcomefromplants.（）Animalseatthefruitfromthetrees.（）Theplantscoverthesoilandcanstopthedust.（）Whentheweatherissunnyandhot,peoplecansitintheshadeunderatree.（）

4、Theplantsmakeeverythinglookbeautiful.（）Peopleusewoodfromtreestobuildhousesandfurniture.√√√√√√√Groupwork:Readthedialogueagain.Thenfindouttheusefulexpressions.pleasantadj.使人愉快的Wespendaverypleasantevening.我们度过了一个愉快的晚上。It'spleasanttodo...做...很愉快.It'spleasanttowalkinthe

5、foest.在森林里面散步是很愉快的。basicadj.基本的，基础的Theyhelpusfulfilourbasicneeds.它们帮助我们满足我们的基本需求。takeenergyfrom…从……获取能量Theplantstakeenergyfromthesun.植物从太阳那里得到能量。turn...into...把...变成...Treesandplantsturntheenergyintofood.树木和植物把能量变成了食物。inaword简言之，总之，一句话。Inaword,Ican'tgooutasIhaveman

6、ythingstodo.总而言之,我不能出去,因为我有许多事情要做。Without是介词，意为“无，没有”,其后可接名词，代词或动名词。eg.Hehasahousewithoutagarden.Hegoesawaywithoutsayinggood-bye.他有一幢不带花园的房子。他没有道别就走开了。Role-PlayPracticewithyourgroupmembersanddotherole-play.Completethepassagewiththecorrectformsofthewordsinthebox.The

7、rearemanytreesandplants.It’s________towalkintheforest.Whentheweatherissunnyandhot,youcansitinthe______underatree,Treesandotherplantsareoneofour_____needsforlife.Manythingsaremadefromtreesandplants.Mostanimalsliveinthe_____andeatthefruitfromthetrees.Andplants_____th

8、esoil.Thatway,thewindandwaterdon’tcarrythesoilaway.pleasantshadebasicforestcoverWhyareplantsimportant?Treeshelp_____theair.Trees____usfood.Wecan_