高三英语一轮复习Unit2Workingtheland课件新人教版必修41.ppt

1、Unit 2Unit 2Working the landWorking the land-2-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子【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.mine

2、ral 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-3-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子【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

3、心点 vt.集中;聚集 8.reduce vt.减少;减缩 ment n.评论;议论 vi.&vt.表达意见;作出评论 -4-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子【拓展核心单词】1.hunger n.饥饿;欲望hunger 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

4、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 -5-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子7.bacterium n.细菌bacteria复数形式 8.export vt.&vi.输出;出口export n.输出;输出品import n.进口品import v.进口;输入 9.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 10.confuse vt.使迷惑

5、;使为难confused adj.糊涂的confusing adj.令人困惑不解的confusion n.混乱;迷惑 11.chemical adj.化学的;关于化学的chemistry n.化学chemist n.化学家;药剂师 12.discovery n.发现;发觉discover vt.发现;发觉 -6-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子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”词汇全接触spread v.扩展;蔓延;传播enlarge v.扩大;放大expand v.

6、扩展;扩张;膨胀extend v.延伸;扩大-7-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子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;equippingequip.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-8-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子5.由reduce想到的reduce.by.降低了reduce.to.降低到incr

7、ease.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discover发现(强调首次发现)invent发明-9-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子【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 to2.对感到满意 be satisfied with3.逐渐增强;建立;开发 build up4.导致;造成(后果

8、)lead to5.集中(注意力、精力等)于 focus on-10-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子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以为主食-11-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子If so,what did you do to grow them?如果是这样的话

9、,你怎样来种植这些植物?考点提炼if so “如果这样的话”,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。-12-.单词.短语.句式.语篇填空积累串记联想归纳仿造句子1.他们认为他可能来电话,如果那样的话,就要有人守在这里。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.-13-.单词.短语.句式.

10、语篇填空积累串记联想归纳仿造句子Yuan Longping was born in 1930.1.Since he graduated 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 serious problem in

11、 many parts of the countryside.Yuan Longping searched 4.for a way to increase rice harvests without expanding the area of the fields.In 1950,Chinese 5.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.-14-.单词

12、.短语.句式.语篇填空积累串记联想归纳仿造句子These 7.increased(increase)harvests mean 8.that 22% of the worlds 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

13、 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.-15-核心词汇核心句式234511.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

14、京,阅读理解D)努力(2)Robinson suggested that may be because parents themselves struggle to understand the tasks.(2015陕西,阅读理解D)努力(3)They have to struggle for their independence.斗争(4)Why do Americans struggle with watching their weight?(2014陕西,阅读理解C)斗争(5)She struggled fiercely against her attacker.搏斗(6)The wo

15、unded young man struggled to his feet.挣扎-16-核心词汇核心句式23451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 ones feet 挣扎着站起来 -17-核心词汇核心句式23451体会语境辨词义用fight或struggle的适当形式填空They had to struggle for their lives against

16、weather and wild animals.Siblings(兄弟姊妹们)in some families fought frequently.These soldiers fought bravely in the battle.自助巩固自助巩固 fight 搏斗,打斗,打架,斗争,包含着“体力”和“勇猛”的因素。struggle 指较长时间的、激烈的争斗,包含着“奋力挣扎”的因素。-18-核心词汇核心句式234512.rid.of使摆脱或除去领悟高考究考法完成句子(1)Cats can help rid the home of mice.猫能帮忙清除家里的老鼠。(2)Mary wan

17、ted to rid herself 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;废除-19-核心词汇核心句式234513.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,语法填空)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。(2)It focuses on s

18、peaking.(2016天津,阅读理解A)它侧重于说。(3)The lion tries to focus on all four legs of the chair at the same time.狮子努力将注意力同时集中在椅子的四条腿上。联想拓展记考点focus ones attention/mind on/upon.集中某人的注意力于-20-核心词汇核心句式234514.reduce vt.减少;减缩领悟高考究考法用介词或者reduce的适当形式填空(2)She reduced her weight by five kilograms.她把体重减轻了5公斤。(3)They reduc

19、ed the expenses to 60 per cent.他们将开支压缩到60%。(4)A heavy fire reduced 90 per cent of the houses to ashes.一场大火使90%的房屋化为灰烬。(1)These animals consumed large amounts of vegetation(植被),which reduced plant diversity in the park.(2017全国,阅读理解C)这些动物消耗了大量的植被,这减少了公园里植物的多样性。-21-核心词汇核心句式23451联想拓展记考点(1)reduce sth.to.

20、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-22-核心词汇核心句式234515.keep.free from/of使免受(影响;伤害等);使不含(有害物)领悟高考究考法用适当的介词填空(1)Eating well and good exercise keep you free from/of cold.良好的饮食和适度的锻炼使你远离感冒。(2)We must keep in touch with each other.我们必须相互保持联系。(3)Parents should keep the children off the

21、river.父母应该让孩子远离河流。-23-核心词汇核心句式23451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-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

22、句的省略形式,其反义表达为if not(如果不这样的话)。(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-25-核心词汇核心句式领悟考法用考点用if的省略结构完成句子(1)If not,let me know what time suits you best.(2016全国丙,书面表达)要是不行,请告诉我什么时间你最合适。(2)I might be away next week.If so,I wont 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)If t

23、he steps you take are working,keep it up.If not,take another look at other methods you could try.(2017全国,七选五)如果你采取的步骤起作用,(那就)坚持下去,如果没有作用,再换个角度来考虑一下其他的你能尝试的方法。-26-核心词汇核心句式(4)If possible,Ill 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。(5)L

24、ast but not least,you may also tell your problem to your teachers and friends if necessary.最后同等重要的是,如果有必要,你也可以把你的问题告诉你的老师和朋友。-27-4.New scientific discoveries(discover)are being made every day.5.We often do chemical(chemistry)experiments in the lab.6.The discussion focused on three main problems.单句填空

25、1.If someone knocks and its not an important matter,excuse yourself and let the person know youre busy so they can get the hint(暗示)that when the door is closed,youre not to be disturbed(disturb).(2017全国,七选五)2.Our newspaper is a national(nation) newspaper.3.If the plot,characters,or word usage is con

26、fusing(confuse)for you,you likely wont be able to remember what you read.(201711浙江,七选五)-28-7.In his first years of high school,Gabriel would look pityingly at the music students,struggling(struggle)across the campus with their heavy instrument cases.(2017江苏,完形填空)8.We found that in 30mph zones they s

27、truggled to keep(keep)at a constant speed and so were more likely to break the speed limit and be at risk of getting fined.(2017全国,阅读理解D)9.Sixty-four percent of those survey participants who havent worked remotely would rather give(give)up some bonus in order to get even one day a week working from

28、home.(201610浙江,阅读理解C)10.As you make reading a regular part of your life,youll make more connections,stay more focused(focus)and understand the text better.(201711浙江,七选五)-29-.话题写作(农业科技)(一)根据提示翻译句子1.中国的农民曾经一直遭受着饥饿的困扰。(disturb;hunger)Farmers in China used to live a hard life and were always disturbed b

29、y hunger.2.大多数农民说他们很满意现在的生活。(satisfied)Most of the farmers say they are now quite satisfied with their life.3.多亏了袁博士的杂交水稻研究,农民们种出的粮食比以前多了一倍。(thanks to;twice)Thanks to Dr.Yuans research on the hybrid rice,farmers are producing harvests twice as large as before.-30-4.这意味着世界22%的人口摆脱了饥饿。(get rid of)This

30、 means 22% of the worlds people have got rid of hunger.5.几十年来,他们努力寻找能够提高稻米产量的方法,但收效甚微。(decade;struggle)For decades,they struggled to search for ways to increase rice harvests,but without success.6.他们宁愿待在农村当农民。(would rather)They would much rather be farmers in the countryside.-31-(二)将第(一)题中的句子,按照合理的逻

31、辑顺序,加入适当的过渡词,连句成篇。根据表达的需要可适当增加细节。As you know,farmers in China used to live a hard life and were always disturbed by hunger.For decades,they struggled to search for ways to increase rice harvests,but without success.Now,things have changed.Thanks to Dr.Yuans research on the hybrid rice,farmers are producing harvests twice as large as before,which means 22% of the worlds people have got rid of hunger.Most of the farmers say they are now quite satisfied with their life and would much rather be farmers in the countryside.