八年级英语下册 Unit2 Plant a Plant lesson13课件 冀.ppt

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1、Lesson13WhyArePlantsImportant?Wordsairn.空气，天空shaden.树荫nothingpron.没有东西，没有事情diev.死（die-died-died,dying）energyn.能量heatn.&v.热，加热bamboon.竹子kilogramn.千克Thinkaboutit!Aretherealotoftreeswhereyoulive?Whydoweneedtrees?Whatkindofthingscanplantsdo?Questions*Whatwouldhappenwithoutfood?*Whatdopandaseat?1.Donutsd

2、on’tgrowontrees!ontrees“在树上”onthetree树本身的东西，长在树上。Languagepointsinthetree外来的东西，不是树本身的东西e.g.树上有几只鸟.Therearesomebirdsinthetree.树上有很多苹果.Therearemanyapplesonthetree.看!风筝在树上.Look!Thekiteisinthetree.2.Thenwecansitunderatreeintheshade.intheshade“在阴凉处”类似短语inthesuninthelight在阳光下在灯光下3.Allplantstakeenergyfromth

3、esunandmakeitintofood.make…into…“把…制成…”e.g.我们可以把树制成纸.Wecanmakethetreeintopaper.我们可以把棉花制成布料.Wecanmakecottonintocloth.make被动语态的短语bemadefrom由(看不出原料)制成bemadeof由(看出原料)制成bemadeby被(某人)制造bemadein在(某地)制造4.Withoutfood,theywouldhavenothingtoeatandtheywoulddie.without介词“没有”e.g.他没有吃早饭就去上学了.Hewenttoschoolwithoutb

4、reakfast.他没说再见就走了.Heleftwithoutsayinggood-bye.没有水鱼就不能活.Fishcan’tlivewithoutwater.Whyareplantsimportant?Treeshelp____theair.Trees____usfood.Wecan____thingswithtrees.Wecan___underatree.We___booksfromtrees.Manyanimals____intrees.cleangivebuildsitmakeliveAllplantstakeenergy______thesunandmakeit______foo

5、d.A.to;fromB.into;toC.from;toD.from;intoExercise2.Plantscoverthesoil.Thenthewindandwaterdon’tcarrythesoil___.A.inB.outofC.awayD.on3.Pandaseat___.A.pandasB.grassC.dinosaursD.bamboo4.Iwouldfail___yourhelp.A.inB.withC.withinD.withoutWhydoweneedplants?Findthreeanswerstothisquestion.Writedownyouranswers.

6、let'sdoit!__________________Good-bye