人教版 (2019)选择性必修 第一册Unit 5 Working the Land复习ppt课件

这是一份人教版 (2019)选择性必修 第一册Unit 5 Working the Land复习ppt课件，共53页。PPT课件主要包含了内容索引，核心考点 课堂突破，随堂巩固 迁移运用等内容，欢迎下载使用。
1.devte vt.把……献(给);把……专用于;专心于[教材原句]Indeed,his slim but strng bdy is just like that f millins f Chinese farmers,t whm he has devted his life.(P50)确实,他瘦削但结实的身躯看起来和他为之奉献了一生的千百万中国农民一样。
语境巧练[单句语法填空](1)But we d think that yu can live a mre pwerful life when yu devte sme f yur time and energy t smething much larger than yurself.(2)He culd nly devte tw hurs a day t wrking (wrk) n the prject.(3)The Wrld Health Organizatin is devted (devte) t imprving peple’s health. (4)Devted (devte) t his career,he has n time t spend with his children.
考点必记(1)把……奉献给……devte neself t (ding) sth 致力于;献身于;专心于(2)devted adj.忠诚的;深爱的a devted father一位慈爱的父亲a devted friend一位忠诚的朋友be devted t=devte neself t致力于;献身于;专心于(3)devtin n.关爱;奉献;专心
2.shrtage n.不足;缺少;短缺[教材原句]Hwever,what cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.(P50) 然而,最让他担心的是,农民经常歉收,有时甚至严重缺乏食物。
语境巧练[用所给词的适当形式填空](1)(2019·浙江卷)The lss f big trees was greatest in areas where trees had suffered the greatest water shrtage (shrt).[小话题写作](2)许多公司苦于缺乏熟练员工。Many cmpanies are suffering frm a shrtage f skilled staff.(3)这个月我恐怕手头有点紧。I’m afraid I’m a little shrt f mney/funds/cash this mnth.
[句式升级](4)The wunded are suffering because they are shrt f dctrs and nurses.→The wunded are suffering because f a shrtage f dctrs and nurses.
考点必记(1)energy shrtage 能量不足,能源短缺labr shrtage 劳力短缺il shrtage 石油不足husing shrtage 房荒,住房不足water shrtage 水量不足fd shrtage食物缺乏material shrtage 材料缺乏fuel shrtage 燃料不足a shrtage f缺乏
(2)shrt adj.短缺的;缺少的be shrt f缺少be shrt f mney/funds/cash缺少经费in shrt supply供应短缺
3.cnvince vt.使相信;使确信;说服[教材原句]Yuan was cnvinced that the answer culd be fund in the creatin f hybrid rice.(P50)袁隆平坚信,可以在杂交水稻的培育中找到答案。
语境巧练[单句语法填空](1)Cnvinced (cnvince) that he had dne nthing wrng,he refused t aplgize.(2)We’ll nt give up until we find cnvincing (cnvince) evidence.(3)Scientists are cnvinced f the psitive effect f laughter n physical and mental health.
[小情境写作](4)他说服警察局允许他在当地两个公园里设立几个“聊天长椅”。He cnvinced the plice department t allw him t set up a cuple f “chat benches” in tw f their lcal parks.
考点必记(1)cnvince sb that/f使某人相信……cnvince sb t d sth劝服某人做某事(2)cnvinced adj.确信的;信服的be cnvinced f/that确信……,相信……(3)cnvincing adj.令人信服的,有说服力的[名师点津]cnvince的近义词是persuade。
4.attain vt.(通常经过努力)获得;得到[教材原句]One characteristic f hybrids is that they usually attain a higher yield than cnventinal crps.(P50)杂交作物的一个特点是它们的产量通常比常规作物高。
语境巧练[小话题写作](1)尽管审问了犯罪嫌疑人两天,警官还是没有得到有价值的信息。Althugh having questined the suspect fr tw days,the fficer didn’t attain valuable infrmatin.(2)不管别人说什么,只要不放弃你一定能实现你的目标。N matter what anyne says,yu can attain yur gals if yu never give up.(3)在几十年的斗争之后,印度于1947年获得了独立。India attained independence in 1947,after decades f struggle.
考点必记(1)attain ne’s gal/purpse达到某人的目标/目的attain the age f达到……的年龄attain ne’s ambitin实现某人的理想attain independence获得独立(2)attainable adj.可以达到的,可以获得的unattainable adj.难以实现的attainment n.获得,达到;实现;成就;造诣
5.assumptin n.假定;设定;(责任的)承担;(权利的)获得[教材原句]The cmmn assumptin then was that it culd nt be dne.(P50)当时人们普遍认为这是不可能做到的。
语境巧练[用所给词的适当形式填空](1)(2018·江苏卷)Try t understand what’s actually happening instead f acting n the assumptin (assume) yu’ve made.(2)It is generally assumed (assume) that stress is caused by t much wrk.(3)It is reasnable t assume (assume) that the ecnmy will cntinue t imprve. (4)Assuming (assume) that yu get a place at university,hw are yu ging t finance yur studies?
考点必记(1)make an assumptin做出假设a false/wrng/mistaken assumptin错误的假设be based n an assumptin以假设为基础(2)assume vt.假设;假定 be认为……是……assume that...假定,认为It is assumed that...人们认为……assuming that假定……(引导条件状语从句,与if同义)assume the wrst做最坏的打算
6.estimate vt.估计;估价;估算　n.估计;估算[教材原句]Tday,it is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains,and his strains have allwed China’s farmers t prduce arund 200 millin tns f rice per year.(P50) 据估算,现在中国国内消费的稻米有大约60%来自袁隆平的杂交水稻品种形成的作物,这些品种(形成的作物)让中国农民每年能够生产出大约两亿吨稻米。
语境巧练[用所给词的适当形式填空](1)The cst t repair my car is estimated (estimate) at $800. (2)Withut specific infrmatin,it’s hard t estimate (estimate) the csts and benefits f making different chices. [小话题写作](3)据估计,在100年后,多达2 000种哺乳动物、鸟类和爬行动物将灭绝。It is estimated that as many as 2,000 species f mammals,birds and reptiles will becme extinct in ver 100 years.
考点必记(1)It is estimated that...据估计……be estimated t d...估计……verestimate vt.对……估计过高underestimate vt.低估;看轻(2)a cnservative estimate保守估计at a rugh estimate粗略估计an accurate estimate准确的估计a reliable estimate可靠的估计an fficial estimate官方估计
7.cnsumptin n.消耗;消耗量;消费[教材原句]Tday,it is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains,and his strains have allwed China’s farmers t prduce arund 200 millin tns f rice per year.(P50)据估算,现在中国国内消费的稻米有大约60%来自袁隆平的杂交水稻品种形成的作物,这些品种(形成的作物)让中国农民每年能够生产出大约两亿吨稻米。
语境巧练[用所给词的适当形式填空](1)(2020·全国Ⅰ卷)Lighting accunts fr abut 7% f the ttal electricity cnsumed/cnsumptin (cnsume) in the US.(2)Accrding t a recent study in the Jurnal f Cnsumer Research,bth the size and cnsumptin (cnsume) habits f ur eating cmpanins can influence ur fd intake.(3)Health-cnscius cnsumers (cnsume) want mre infrmatin abut the fd they buy.
[小话题写作](4)一些能效最高的冰箱比传统型号耗电少。Sme f the mst efficient refrigeratrs cnsume less electricity than traditinal mdels.
考点必记(1)energy/fuel cnsumptin能源消耗ppular cnsumptin 大众消费(2)cnsume vt.消费cnsumer n.消费者time-cnsuming adj.耗时的cnsumer sciety消费社会
8.cmprise vt.包括;包含;由……组成[教材原句]Tday,it is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains,and his strains have allwed China’s farmers t prduce arund 200 millin tns f rice per year.(P50)据估算,现在中国国内消费的稻米有大约60%来自袁隆平的杂交水稻品种形成的作物,这些品种(形成的作物)让中国农民每年能够生产出大约两亿吨稻米。
语境巧练[句式升级]The huse cmprises tw bedrms,a kitchen,and a living rm.→(1)The huse cnsists f tw bedrms,a kitchen,and a living rm.→(2)The huse is cmprised f tw bedrms,a kitchen,and a living rm.→(3)The huse is made up f tw bedrms,a kitchen,and a living rm.
考点必记表示“由……组成”的词组有:cnsist fbe cmprised fbe made up f
9.in turn相应地;转而;依次;轮流[教材原句]This affects the crps grwn n the land and,in turn,the animals and humans wh digest them.(P55)这会影响生长在土地上的农作物,相应地影响到消化它们的动物和人类。
语境巧练[写出下列句子中in turn的含义](1)Interest rates were cut and in turn share (股票) prices rse.相应地;转而(2)Later,she asked us t g t the blackbard and say smething abut urselves in English in turn.依次;轮流
[选短语填空in turn;in return](3)We ffer an excellent educatin t ur students.In return,we expect students t wrk hard. (4)Sitting fr lng increases the risk f high bld pressure and fatness which culd in turn damage the heart. 
考点必记(1)in turn是一个多义词组,主要考查词义;经常和in return进行辨析。(2)in return作为回报(3)it is ne’s turn t d sth 轮到某人做某事take turns t d sth 轮流做某事take a turn fr the wrse/better出现不好/好的变化
[佳句背诵]While staying in the village,James unselfishly shared whatever he had with the villagers withut asking fr anything in return.在村子里,詹姆斯无私地与村民分享他所拥有的一切,而不要求任何回报。
10.alternative n.可供选择的事物　adj.可供替代的;非传统的[教材原句]As an alternative,sme farmers have switched t rganic farming,and many custmers have turned t rganic fd when they shp at the lcal grcery.(P55)作为另一种选择,一些农民已经转向有机耕作,并且许多顾客在当地杂货店购物时已经转向有机食品。
语境巧练[用所给词的适当形式填空](1)I had n alternative but t accept (accept) the ffer. [小话题写作](2)恐龙的灭绝不一定是因为天体事件,但也难以找到别的解释。The disappearance f dinsaurs is nt necessarily caused by astrnmical incidents.But alternative explanatins are hard t find.[翻译句子](3)There are several alternatives t yur plan.除了你的计划外,还有另外几种供选择的方案。
考点必记(1)have n alternative but t d sth 别无选择,只好……(2)an alternative methd f ding sth 做某事的其他方法an alternative slutin别的解决办法alternative energy替代能源alternative cmedy/lifestyles/values非传统喜剧/生活方式/价值观[名师点津]alternative用作名词时与chice意义相近。
11.depth n.向下(或向里)的距离;深(度)[教材原句]Organic farmers als plant diverse crps that use different depths f sil t help keep it rich.(P56)有机耕作的农民还种植多种农作物,这些农作物利用不同层次的土壤来帮助保持肥沃。
语境巧练[单句语法填空](1)Water was fund at a depth f 30 metres.(2)If yu cme t visit China,yu will experience a culture f amazing depth (deep) and variety.(3)T avid knee pain,yu can run n sft surfaces,d exercises t strengthen (strength) yur leg muscles (肌肉),avid hills and get gd running shes.(4)The reunin dinner helps deepen (deep) family ties while the exchange f gifts and greetings enhances relatins between friends.
考点必记(1)at a depth f在……的深处(2)deep int the night直到深夜be deep in thught陷入深思(3)deeply adv.很;非常deepen vi.& vt.加深
12.同位语从句[教材原句]What keeps them frm ding s is the fact that chemical farming serves the high demand fr fd arund the wrld.(P56) 阻止他们这样做的原因是化学农业满足了世界各地对粮食的巨大需求。
语境巧练[单句语法填空](1)(2019·全国Ⅰ卷)While they are rare nrth f 88°,there is evidence that they range all the way acrss the Arctic,and as far suth as James Bay in Canada.(2)(2019·江苏卷)Scientists have btained mre evidence that plastic is finding its way int the human bdy.(3)The pinin that learning is a lifelng prcess has been expressed by educatin experts thrughut the years.
考点必记(1)同位语从句所解释说明的名词通常都具有抽象含义,如:idea,fact,news,hpe,belief,thught,dubt,prblem,suggestin等。(2)除that外,连接副词why,when,where,hw与连词whether也可引导同位语从句。
Ⅰ.单句语法填空1.The teacher’s selfless devtin (devte) t the cause f educatin is well knwn,and all her students respect and lve was cncerned abut the energy shrtage (shrt) and drught in the was cnvinced (cnvince) that I was part f the the expansin (expand) f cities,many peple sell ff their ld huses in the cuntryside and mve int new flats in cities.
5.Wrse,nearly 18 millin children under the age f five arund the wrld are estimated (estimate) t be verweight. 6.(2018·全国Ⅱ卷)Accrding t the Wrld Bank,China accunts fr abut 30 percent f ttal glbal fertilizer cnsumptin (cnsume) smething fr fun.It helps yu get relaxed,which in turn can help yu study better.
8.Yu can be paid in cash weekly r by cheque mnthly;thse are the alternatives (alternative) cmmittee is cmprised (cmprise) f representatives frm bth the public and lcal private businesses. 10.Ranging frm 84 cm t mre than 150 cm in length (lng),lngbards lk like ther skatebards.
Ⅱ.选词填空1.In 1944,at the age f 30,Hersey suddenly became a celebrity.2.I have persnally been devted t this cause fr my first reasn t tackle these prblems is t save children’s lives. 
tackle,devte,attain,expand,cnvince,celebrity,cnventinal,characteristic
4.Thmas,she sensed,culd cnvince anyne f need t cmmunicate is a key characteristic f human greater effrts are needed befre we can attain ur grwn prduce des nt differ greatly in appearance frm cnventinally grwn frward,we hpe t expand ur peratins in several f ur verseas branches. 
Ⅲ.微语境写作请根据下面提示,写一篇介绍著名科学家袁隆平的短文。词数80左右。1.我们都知道,袁隆平是中国最有名的科学家之一,但是,他认为自己是一个农民,而不是名人。(ne f,celebrity)2.他致力于解决中国还有世界食物短缺的危机。(devte,shrtage)3.他确信增加产量的最好办法在于杂交水稻的产生。(cnvince,bst yields)4.杂交作物的一个特点是它们常常比传统作物获得更高的产量。(characteristic,attain)5.这种杂交水稻使得农民们能很大地扩大生产量。(enable,expand)