Unit2單元話題閱讀與寫作課件

單元話題閱讀與寫作PlantaPlant!Unit2自然界中的許多植物與我們的生活息息相關(guān)，它們不但能幫助我們凈化空氣，防風(fēng)固沙，還能為我們提供基本的需要。自古以來(lái)，植物就一直默默地改善和美化人們的環(huán)境，沒(méi)有植物我們就不能生存。單元話題閱讀與寫作Therearemanyplantsaroundus.Andwecan'tlivewithoutplants.Doyouknowwhy?Letmetellyou.Plantshelpcleantheairandit'spleasanttowalkamongthetrees.Wecanalsogetfoodfromplants,suchasapples,orangesandbananas.Corn,wheatandriceareallplants,too.Treescanbemadeintochairs,bedsandhouses.Wecansitintheshadeunderthetreesinsummer.Plantscoverthesoil.Theydon'tmakethesoildry.Plantscanstopwindandwaterfromcarryingthesoilaway.Allplantstakeenergyfromthesun佳篇品讀andmakeitintofood.Peopleandotheranimalsneedfoodfromplantstolive.Soweneedplants.Plantsareveryimportanttous.根據(jù)短文回答問(wèn)題：1．Canwelivewithoutplants?________________________________________________2．Howdoplantsmakefoodforthemselves?_________________________________________________3．Canplantsstopwindandwaterfromcarryingthesoilaway?________________________________________________No,wecan't.Theytakeenergyfromthesunandmakeitintofood.Yes,theycan.結(jié)合以上所完成的閱讀任務(wù)，請(qǐng)你思考：1．文中從哪幾方面說(shuō)明了植物的重要性？(列舉三點(diǎn))(1)_________________________________________________(2)_________________________________________________(3)_________________________________________________2．文中在介紹我們不能離開(kāi)植物生存時(shí)用到了哪些句型和短語(yǔ)？___________________________________________________________________________________________________________________________________________________Plantshelpcleantheair.寫作指導(dǎo)Plantscanstopwindandwaterfromcarryingthesoilaway.Wecangetfoodfromplants.It’spleasanttodosth.;get...from;bemadeinto;sitintheshade;stop...fromdoing;takeenergyfrom;o;beimportanttosb.;need...todo請(qǐng)你以李明的名義寫一封70詞左右的倡議書給老師和同學(xué)們，號(hào)召大家多植樹(shù)，愛(ài)護(hù)樹(shù)木。提示：1.樹(shù)木可以凈化空氣，美化城市，提供休息場(chǎng)所。2．樹(shù)木可以為我們提供食物，木頭等。3．樹(shù)木可以阻擋水流帶走泥土，阻擋旱澇(floodanddrought)發(fā)生。寫作實(shí)踐思路構(gòu)建Wecangetfoodfrom……usetreestobuild……cleantheair…makeourcitymorebeautifulTrees

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