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2022高考英语大一轮复习Unit2Workingtheland课件新人教版必修4.pptx

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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020/5/30,#,Unit 2,Working the land,第一页,编辑于星期六:五点 二十七分。,-,2,-,【识记阅读单词】,1,.statistic,n.,数据,;,统计,;,统计数字,;,统计资料,2,.sunburnt,adj.,晒黑的,3,.super,adj.,特级的,;,超级的,4,.output,n.,产量,;,输出,5,.crop,n.,庄稼,;,农作物,;,产量,6,.grain,n.,谷物,;,粮食,;,颗粒,7,.occupation,n.,工作,;,职业,;,占领,8,.production,n.,生产,;,制造,9,.pest,n.,害虫,;,害兽,;,害鸟,10,.nutrition,n.,营养,;,滋养,;,食物,11,.mineral,n.,矿物,;,矿石,12,.soil,n.,土壤,13,.root,n.,根,;,根源,14,.skim,vt.,浏览,;,略读,15,.underline,vt.,画底线标出,;,强调,16,.summary,n.,总结,;,摘要,;,概要,.,单词,由简到难,水到渠成,The,first,step,is,as,good,as,half,over.,第二页,编辑于星期六:五点 二十七分。,-,3,-,【拼写高频单词】,1,.,struggle,vi,.,&,n.,斗争,;,拼搏,;,努力,2,.,decade,n,.,十年,;,十年期,3,.,battle,n,.,战役,;,战斗,;,较量,;,斗争,vt,.,&,vi.,搏斗,;,奋斗,4,.,rid,vt,.,摆脱,;,除去,5,.,therefore,adv,.,因此,;,所以,;,因而,6,.,regret,vt,.,遗憾,;,惋惜,n,.,遗憾,;,懊悔,7,.,focus,n,.,焦点,;,中心点,vt,.,集中,;,聚集,8,.,reduce,vt,.,减少,;,减缩,9,.,comment,n,.,评论,;,议论,vi,.,&,vt.,表达意见,;,做,出评论,第三页,编辑于星期六:五点 二十七分。,-,4,-,【拓展核心单词】,1,.,hunger,n,.,饥饿,;,欲望,vt.,&,vi.,(,使,),饥饿,hungry,adj,.,饥饿的,2,.,disturbing,adj,.,引起烦恼的,;,令人不安的,disturb,vt,.,扰乱,;,打扰,disturbed,adj,.,被扰乱的,;,精神失常的,3,.,expand,vt,.,&,vi.,使变大,;,伸展,expansion,n,.,扩大,;,膨胀,4,.,circulate,vt,.,&,vi.,循环,;,流传,circulation,n,.,循环,;,流通,5,.,freedom,n,.,自由,;,自主,free,adj,.,自由的,;,免费的,freely,adv,.,自由地,;,随意地,6,.,equip,vt,.,&,vi.,配备,;,装备,equipment,n,.,装备,第四页,编辑于星期六:五点 二十七分。,-,5,-,7,.,export,v,.,&,n.,输出,;,出口,import,v,.,&,n.,进口,;,输入,8,.,nationality,n,.,国籍,nation,n,.,国家,;,民族,national,adj,.,国家的,;,民族的,nationwide,adj,.,在全国范围内的,9,.,confuse,vt,.,使迷惑,;,使为难,confused,adj,.,糊涂的,confusing,adj,.,令人困惑不解的,confusion,n,.,混乱,;,迷惑,10,.,chemical,adj,.,化学的,;,关于化学的,n.,化学物质,chemistry,n,.,化学,chemist,n,.,化学家,;,药剂师,11,.,bacterium,n,.,细菌,bacteria,细菌,(,复数形式,),12,.,discovery,n,.,发现,;,发觉,discover,vt,.,发现,;,发觉,第五页,编辑于星期六:五点 二十七分。,-,6,-,1.,“,评论,”,单词知多少,review,n.,复习,;,评论,comment,n.,评论,;,议论,remark,n.,评论,criticism,n.,批评,2.,“,扩展,”,词汇,大,接触,spread,v.,扩展,;,蔓延,;,传播,enlarge,v.,扩大,;,放大,expand,v.,扩展,;,扩张,;,膨胀,extend,v.,延伸,;,扩大,第六页,编辑于星期六:五点 二十七分。,-,7,-,3.-dom,后缀名词一览,kingdom,王国,freedom,自由,wisdom,智慧,4.equip,用法小结,动词变化形式,:,equipped;equipped;equipping,equip.with.,用装备,be equipped with,装备着,be well/poorly equipped,设备精良的,/,较差的,equip.for sth./to do sth.,为了而装备,第七页,编辑于星期六:五点 二十七分。,-,8,-,5.,由,reduce,想到的,reduce.by.,降低了,reduce.to.,降低到,increase.by.,增加了,increase.to.,增加到,decrease.by.,减少了,decrease.to.,减少到,6.,由,discover,想到的,look for,寻找,find,找到,invent,发明,第八页,编辑于星期六:五点 二十七分。,-,9,-,【识记】,1,.rid.of,使摆脱或除去,2,.would rather,宁愿,;,宁可,3,.keep.free from/of,使免受,(,影响,;,伤害等,);,使不含,(,有害物,),【默写】,1,.,幸亏,;,由于,;,因为,thanks,to,2,.,对感到满意,be,satisfied,with,3,.,逐渐增强,;,建立,;,开发,build,up,4,.,导致,;,造成,(,后果,),lead,to,5,.,集中,(,注意力、精力等,),于,focus,on,.,短语,化难为简,轻松记忆,Learn,to,walk,before,you,run.,第九页,编辑于星期六:五点 二十七分。,-,10,-,1.,“,导致,”,短语,lead to,导致,;,造成,bring about,导致,;,引起,result in,导致,;,结果是,contribute to,促成,;,有助于,account for,解释,;,导致,2.,与,focus,on,结构相同的短语,call on,号召,concentrate on,集中,;,全神贯注于,count on,依赖,depend on,依赖,live,on,以,吃,为生,第十页,编辑于星期六:五点 二十七分。,-,11,-,If,so,what did you do to grow them?,如果是这样的话,你怎样来种植这些植物,?,考点提炼,if,so,“,如果是这样的话,”,是,if,引导的条件状语从句的简略形式,表示肯定意义,;,如果表示否定意义,则用,if,not,。,.,高频句型,分析探究,融会贯通,Nothing,is,impossible,to,a,willing,heart.,1,.,他们认为他可能来电话,如果那样的话,就,必须,有人守在这里。,They,think,he,may,try,to,phone.If,so,someone,must,stay,here.,2,.,如果可能的话,尝试每天在同一时间睡觉和起床。,If,possible,try,to,go,to,bed,and,wake,up,at,the,same,time,every,day.,第十一页,编辑于星期六:五点 二十七分。,-,12,-,Yuan Longping was born in 1930.Since he 1.,graduated,(graduate)from Southwest Agricultural College in 1953,he has devoted his life to 2.,finding,(find)ways to grow more and more rice.As a young man,he saw the great need for increasing the rice output.At that time,hunger was 3.,a,disturbing problem in many parts of the countryside.Yuan Longping searched 4.,for,a way to increase rice harvests without 5.,expanding,(expand)the area of the fields.In 1950,Chinese farmers could produce about fifty-six million tons of rice.In a recent harvest,however,6.,nearly,two hundred million tons of rice was produced.,.,语篇填空,旧材新用,探究根源,Kill,two,birds,with,one,stone.,第十二页,编辑于星期六:五点 二十七分。,-,13,-,These 7.,increased,(increase)harvests mean 8.,that,22%of the world,s people are fed from just 7%of the farmland in the world.Yuan Longping is now circulating his knowledge in India,Vietnam and many other 9.,less,(little)developed countries to increase their rice harvests.Thanks to his research,the UN 10.,has,(have)more tools in the battle to rid the world of hunger.Using his hybrid rice,farmers are producing harvests twice as large as before.,第十三页,编辑于星期六:五点 二十七分。,-,14,-,核心词汇,核心句式,1.struggle,vi.&n.,斗争,;,拼搏,;,努力,;,挣扎,领悟高考,究考法,写出下列句子中,struggle,的意思,(1).many students will,struggle,to find a sense of belonging.(2016,北京,阅读理解,D),(2)Robinson suggested that may be because parents themselves,struggle,to understand the tasks.(2015,陕西,阅读理解,D),(3)They have to,struggle,for their independence.,(4)She,struggled,fiercely against her attacker.,(5)The wounded young man,struggled,to his feet.,努力,努力,斗争,搏斗,挣扎,第十四页,编辑于星期六:五点 二十七分。,-,15,-,核心词汇,核心句式,联想拓展,记考点,(1)struggle to do sth.,艰难地做某事,;,挣扎着做某事,(2)struggle for,为,而斗争,(3)struggle with/against,与,做斗争,;,同,搏斗,(4)struggle on,挣扎着,;,坚持下去,(5)struggle to one,s feet,挣扎着站起来,体会语境,辨词义,用,fight,或,struggle,的适当形式填空,They had to,for their lives against weather and wild animals.,These soldiers,bravely in the battle.,struggle,fought,第十五页,编辑于星期六:五点 二十七分。,-,16,-,核心词汇,核心句式,自助巩固,(1)fight,搏斗,打斗,打架,斗争,包含着,“,体力,”,和,“,勇猛,”,的因素。,(2)struggle,指较长时间的、激烈的争斗,包含着,“,奋力挣扎,”,的因素。,第十六页,编辑于星期六:五点 二十七分。,-,17,-,核心词汇,核心句式,2.rid.of,使,摆脱或除去,领悟高考,究考法,完成句子,(1)Cats can help,the home,mice.,猫能帮忙清除家里的老鼠。,(2)Mary wanted to,of the burden of the secret.,玛丽想把秘密说出来,让自己得到解脱。,联想拓展,记考点,be/get rid of,去掉,;,除去,;,摆脱,rid of,rid herself,第十七页,编辑于星期六:五点 二十七分。,-,18,-,核心词汇,核心句式,3.focus,on,集中,(,注意力、精力等,),于,领悟高考,究考法,翻译句子,(1)Most of us are more,focused,on,our tasks in the morning than we are later in the day.(2016,全国,语篇填空,),_,_,(2)Much of the debate so far has been,focused,on,the safety of driverless cars.(2018,北京,阅读理解,D),_,(3)The lion tries to,focus,on,all four legs of the chair at the same time.,_,相比一天中的晚些时候,我们大部分人在上午更能把注意力集中在工作任务中。,到目前为止,大部分争论都集中在无人驾驶汽车的安全问题上。,这只狮子试图将注意力同时集中在椅子的四条腿上。,第十八页,编辑于星期六:五点 二十七分。,-,19,-,核心词汇,核心句式,联想拓展,记考点,focus one,s attention/mind on/upon.,集中某人的注意力于,第十九页,编辑于星期六:五点 二十七分。,-,20,-,核心词汇,核心句式,4.reduce,vt.,减少,;,减缩,领悟高考,究考法,用介词或,reduce,的适当形式填空,(1)It turns out that just looking at green,growing things can _ stress,lower blood pressure,and put people into a better mood.(2019,全国,七选五阅读,),事实证明,看绿色生长的东西就能减轻压力,降低血压,并让人们有更好的心情。,(2)A home environment in blue can help people,food intake.(2015,课标全国,阅读理解,B),一个蓝色的家庭环境有助于减少人们,对于,食物的摄入量。,(3)She reduced her weight,five kilograms.,她把体重减轻了,5,公斤。,reduce,reduce,by,第二十页,编辑于星期六:五点 二十七分。,-,21,-,核心词汇,核心句式,联想拓展,记考点,(1)reduce sth.to.,把,减少到,(2)reduce sth.by.,把,减少了,(3)reduce sb.to.,把某人,(,从某级别或职位,),降至,(4)They reduced the expenses,60 per cent.,他们将开支压缩到,60%,。,(5)Steven Stein is an environmental scientist who studies how,litter.(2018,浙江,阅读理解,B),史蒂芬,斯坦因是一位研究如何减少垃圾的环境科学家。,to reduce,to,第二十一页,编辑于星期六:五点 二十七分。,-,22,-,核心词汇,核心句式,5.keep.free,from/of,使,免受,(,影响,、,伤害等,);,使,不含,(,有害物,),领悟高考,究考法,介词填空,(1)Eating well and good exercise keep you free,cold.,良好的饮食和适度的锻炼使你远离感冒。,(2)We must keep,touch with each other.,我们必须相互保持联系。,(3)Parents should keep the children,the river.,父母应该让孩子远离河流。,from/of,in,off,第二十二页,编辑于星期六:五点 二十七分。,-,23,-,核心词汇,核心句式,联想拓展,记考点,(1)keep sb.from doing sth.,阻止某人做某事,(2)keep sth.from sb.,不想将某事告诉某人,(3)keep sb.off sth.,使某人远离某物,(4)keep in touch with,与,保持联系,(5)keep.in mind,把,记在心里,(6)keep away from,避开,;,不接近,第二十三页,编辑于星期六:五点 二十七分。,-,24,-,核心词汇,核心句式,If,so,what,did,you,do,to,grow,them,?,如果是这样的话,你怎样来种植这些植物,?,分析提炼,究考法,if so“,如果是这样的话,”,是,if,引导的条件状语从句的省略形式,其反义表达为,if not(,如果不这样的话,),。类似结构还有,:,(1)if ever,如果有过的话,(2)if any,如果有的话,(3)if possible,如果有可能,(4)if necessary,如果有必要,第二十四页,编辑于星期六:五点 二十七分。,-,25,-,核心词汇,核心句式,领悟考法,用考点,用,if,的省略结构填空,(1),take another look at other methods you could try.(2017,全国,七选五阅读,),如果不行,就再考虑尝试其他的方法。,(2)I might be away next week.,I won,t be able to see you.,我下周可能会离开。要是这样的话,我就不能见你了。,(3)She seldom,goes to the cinema.,她难得看电影。,(4),I,ll take part in some social activities so that I can know more about the society.,如果可能的话,我将参加一些社会活动以便我能更多地了解社会。,If not,If so,if ever,If possible,第二十五页,编辑于星期六:五点 二十七分。,-,26,-,核心词汇,核心句式,(5)Last but not least,you may also tell your problem to your teachers and friends,.,最后,但,同等重要的是,如果有必要,你也可以把你的问题告诉你的老师和朋友。,if necessary,第二十六页,编辑于星期六:五点 二十七分。,-,27,-,.,单句填空,1,.It is,(disturb)to think about so much work to do.,2,.We regret,(inform)you that your application has not been successful.,3,.,(struggle)for months to find a job,Mary finally took a position at a local advertising agency.,4,.New scientific,(discover)are being made every day.,5,.We often do,(chemistry)experiments in the lab.,6,.The discussion focused,three main problems.,7,.I would rather,(laugh)at than quarrel with him.,8,.You may have a bad mood.,so,you should get rid of it as soon as possible.,disturbing,to inform,Having struggled,discoveries,chemical,on,be laughed,If,第二十七页,编辑于星期六:五点 二十七分。,-,28,-,9,.The heavy rain made,harder for us to get to the top of the mountain before sunset.,10,.I would rather you,(come)here tomorrow.,it,came,第二十八页,编辑于星期六:五点 二十七分。,-,29,-,.,单句改错,1,.Confusing by the question,the boy referred to the book for further explanation.,_,2,.A balanced diet and proper exercise can keep you freely from disease.,_,3,.Thanks to a local worker,we rid ourselves off the trouble.,_,4,.They equipped with a pair of sharp axes and set off for the forest.,_,ConfusingConfused,freelyfree,offof,They,后加,were,第二十九页,编辑于星期六:五点 二十七分。,-,30,-,5,.Having retired from business,he now occupies him with the welfare of the disabled.,_,6,.Some farmers have to leave their hometown to work in cities,struggle to increase their income.,_,himhimself,strugglestruggling,第三十页,编辑于星期六:五点 二十七分。,-,31,-,.,写作训练,1,.,(,多亏了他叔叔,),he received a good education.,2,.As we all know,success lies in hard work while laziness,(,导致失败,).,3,.Do you agree that I will put our visit to Yunnan off?,(,如果赞同的话,请尽快写信告诉我,).,4,.He,(,把心思集中在功课上,).,5,.Exercise has been shown to,(,增强你的自信心,).,Thanks to his uncle,leads to failure,If so,write back to tell me about it as soon as possible,focused his mind on his lessons,build up your confidence,第三十一页,编辑于星期六:五点 二十七分。,
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