人教版高中英语必修一Unit5课件VIP免费

Unit5NelsonMandela-amodernhero必修1考点要求随着世界经济的发展，环境问题也日益严峻。极端天气越来越多，2012年美国遭遇半个世纪以来最严重的干旱，中国多地也遭遇极端暴雨天气。关注环境成了全世界人民共同的选择。因此，关于环境问题方面的写作也成了高考的高频考点。如2012年和2011年福建卷以及2011年江西卷都涉及到了这一话题。本书从此单元开始至后面两个单元将围绕此话题设计晨背内容。一、话题常用词汇必背1．常用单词(1)actionn．行为(2)desiren.渴望(3)harmonyn.和谐(4)environmentn.环境(5)existencen.生存(6)energyn.能量；精力(7)considerv.考虑由词连句——背词汇、学连句，让作文丰满起来(8)pourv.倾倒(9)harmv.对……有害(10)pollutev．污染(11)threatenv.威胁(12)totallyadv.完全地(13)badlyadv.严重地(14)effectiveadj.有效的(15)severelyadv.严重地(16)low­carbonadj.低碳的(17)reusableadj.可再使用的(18)renewableadj.可再生的2．常用短语(1)resultin导致(2)adjustto适应(3)inone'sview在某人看来(4)takemeasures采取措施(5)tomakemattersworse使事情更糟糕的是(6)prevent...from...阻止……免于……(7)formahabitof...养成……的习惯(8)leave...behind把……抛于脑后(9)beashamedof对……感到羞耻二、连词成句并背诵〈按括号中的要求，添加适当的词连词成句〉1．inmyview,something,be,done,solvethisproblem,innotime(用被动语态)答案：______________________________________________________________2．notonly...butalso...,they,harm,themselves,causetrouble,others(用倒装句式)答案：_______________________________________________________________________Notonlydotheyharmthemselvesbutalsotheymaycausetroubletoothers.Inmyview,somethingmustbedonetosolvethisprobleminnotime.3．thefirstthing,we,do,consider,whether...or...,good,others,oursociety(用定语和宾语从句)答案：___________________________________________________________________________________4．time,us,takemeasures,prevent...from...,earth,getwarmer(用it作形式主语)答案：①__________________________________________(It'stimeforsb.todosth.)②________________________________________________(It'shightimethat...)It'stimeforustotakemeasurestopreventtheearthfromgettingwarmer.It'shightimethatwetookmeasurestopreventtheearthfromgettingwarmer.Thefirstthingweshoulddoistoconsiderwhetheritisgoodtoothersoroursociety.由句连篇——背佳句、学衔接，让作文流畅起来一、话题写作佳句必背1．Wehavebeencuttingdowntoomanytrees,whichcausesbirdsandanimalstolosetheirnaturalhabitats.我们一直在砍伐过多的树木，这使鸟类和动物失去了它们自然的栖息地。2．Watersourceshavebecomesobadlypollutedthatsomeofthewaterisunfittodrinkortouse.水资源已经被污染得如此严重，以至于一些水已经不适合饮用或使用。3．It'shightimethatwepaidmuchattentiontoprotectingourenvironment.到了我们应该高度重视环境保护的时候了。4．Ifwehumanbeingsdon'ttakeactiontoprotecttheearthfromnowon,we'llhavenowheretoliveinthefuture.从现在起，如果我们人类不采取措施保护地球，我们在将来将没有地方生存。二、连句成篇并背诵(“选用therefore,meanwhile,asfarasI'mconcerned,besides,forexample”过渡词衔接成文)Ourenvironmentisgettingworseandworse.,wehavebeencuttingdowntoomanytrees,whichcausesbirdsandanimalstolosetheirnaturalhabitats.,townsandcitiesarepouringrubbishintotheriver.,factoriesarepouringwastewaterintotheriver.,watersourceshavebecomesobadlypollutedthatsomeofthewaterisunfittodrinkortouse.,it'shightimethatwepaidmuchattentiontoprotectingourenvironment.Ifwehumanbeingsdon'ttakeactiontoprotecttheearthfromnowon,we'llhavenowheretoliveinthefuture.ForexampleMeanwhileBesidesThereforeAsfarasI'mconcernedⅠ.写出...