Unit2单元话题阅读与写作课件

单元话题阅读与写作PlantaPlant!Unit2自然界中的许多植物与我们的生活息息相关，它们不但能帮助我们净化空气，防风固沙，还能为我们提供基本的需要。自古以来，植物就一直默默地改善和美化人们的环境，没有植物我们就不能生存。单元话题阅读与写作Therearemanyplantsaroundus.Andwecan'tlivewithoutplants.Doyouknowwhy?Letmetellyou.Plantshelpcleantheairandit'spleasanttowalkamongthetrees.Wecanalsogetfoodfromplants,suchasapples,orangesandbananas.Corn,wheatandriceareallplants,too.Treescanbemadeintochairs,bedsandhouses.Wecansitintheshadeunderthetreesinsummer.Plantscoverthesoil.Theydon'tmakethesoildry.Plantscanstopwindandwaterfromcarryingthesoilaway.Allplantstakeenergyfromthesun佳篇品读andmakeitintofood.Peopleandotheranimalsneedfoodfromplantstolive.Soweneedplants.Plantsareveryimportanttous.根据短文回答问题：1．Canwelivewithoutplants?________________________________________________2．Howdoplantsmakefoodforthemselves?_________________________________________________3．Canplantsstopwindandwaterfromcarryingthesoilaway?________________________________________________No,wecan't.Theytakeenergyfromthesunandmakeitintofood.Yes,theycan.结合以上所完成的阅读任务，请你思考：1．文中从哪几方面说明了植物的重要性？(列举三点)(1)_________________________________________________(2)_________________________________________________(3)_________________________________________________2．文中在介绍我们不能离开植物生存时用到了哪些句型和短语？___________________________________________________________________________________________________________________________________________________Plantshelpcleantheair.写作指导Plantscanstopwindandwaterfromcarryingthesoilaway.Wecangetfoodfromplants.It’spleasanttodosth.;get...from;bemadeinto;sitintheshade;stop...fromdoing;takeenergyfrom;o;beimportanttosb.;need...todo请你以李明的名义写一封70词左右的倡议书给老师和同学们，号召大家多植树，爱护树木。提示：1.树木可以净化空气，美化城市，提供休息场所。2．树木可以为我们提供食物，木头等。3．树木可以阻挡水流带走泥土，阻挡旱涝(floodanddrought)发生。写作实践思路构建Wecangetfoodfrom……usetreestobuild……cleantheair…makeourcitymorebeautifulTrees

…stop…fromcarrying…away…stop…happening…tryourbestto…It’sourdutytodo…自我展示Dearclass,____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________LiMingTreesareimportanttous.Theycancleantheairandmakeourcitymorebeautiful.Wecanalsositintheshadeunderthetrees.Notonlycanwegetfoodandwoodfromtrees,butalsowecanusetreestobuildmanythings,suchasbeds,chairsandourhouses.Treescanstopwindandwaterfromcarryingthesoilaway.Theycanstopfloodanddroughthappening.Soallofusshouldtryourbesttoplanttreese