浙江专用2020版高考英语大一轮新优化复习Unit2Workingtheland课件新人教版必修4201901181122.ppt

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1、Unit 2 Working 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.minera

2、l 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.作出评论,-4-,.单词,.短语,.句式,.语篇填空,积累串记,【拓展核心单词】 1.hunger n.饥饿;欲望hunger v.渴望得到;渴求hungry adj.饥饿的,联想归纳,仿造句子,2. disturbing adj.引起烦恼的;令人不安的 dis

3、turb vt.扰乱;打扰 disturbed adj.被扰乱的;精神失常的 3. expand vt.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.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

4、v.扩大;放大 expand v.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;equipping equip.with.用装备 be equipped with装备着 be well/poorly equipped设备精良/较差 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

5、子,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 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) 4.over time

6、随着时间的流逝 【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 6.每几年 every few years,-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

7、 on号召 concentrate on集中;全神贯注于 count on依赖 depend on依赖 live on以为食,-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,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

8、 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,.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 l

9、ife 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 many parts of the countryside.Yuan Longping searched 4. for a way to increase rice harvests without expanding the area of the fi

10、elds.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,.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

11、 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,fa

12、rmers are producing harvests twice as large as before.,-15-,核心词汇,核心句式,2,3,4,5,1,1.struggle vi.挣扎 【教材原句】Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled for the past five decades. 的确,他被太阳晒得黝黑的脸庞和手臂,以及他那瘦削而又结实的身躯,就跟

13、其他数百万中国农民一样,过去50年来,他一直在努力帮助他们。,-16-,核心词汇,核心句式,2,3,4,5,1,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)努力 (2)Moth,meanwhile,after an initial struggle,found his symptoms were strangely reduced by their daily tiring journey.(2018江苏,完形填空)斗争 (3)They

14、 have to struggle for their independence.斗争 (4)Weve all been there:in a lift,in line at the bank or on an airplane,surrounded by people who are,like us,deeply focused on their smartphones or,worse,struggling with the uncomfortable silence.(2018全国,阅读理解D)斗争,-17-,核心词汇,核心句式,2,3,4,5,1,(5)She struggled fi

15、ercely against her attacker.搏斗 (6)The wounded young man struggled to his feet.挣扎 联想拓展记考点 (1)struggle to do sth.尽力做某事;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 勉强生存下去 (5)struggle to ones feet 挣扎着站起来,-18-,核心词汇,核心句式,2,3,4,5,1,体会语境辨词义 用fight或struggle的适当形式填空 (1)They had

16、 to struggle for their lives against weather and wild animals. (2)Siblings(兄弟姊妹们)in some families fight frequently. (3)These soldiers fought bravely in the battle. 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。,-19-,核心词汇,核心句式,2,3,4,5,1,2.rid.of使摆脱或除去 【教材原句】Thanks to his r

17、esearch,the UN has more tools in the battle to rid the world of hunger. 多亏了他的研究,联合国在消除世界饥饿的斗争中有了更多的办法。 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)But some types of situations can help us to get rid of the occurrence of anger.(2018北京,七选五) 但是某些类型的情况可以帮助我们摆脱愤怒的发生。 联想拓展记考点 be/ge

18、t rid of去掉;除去;摆脱;废除,-20-,核心词汇,核心句式,2,3,4,5,1,3.focus on集中(注意力、精力等)于 【教材原句】They focus on keeping their soil rich and free of disease.他们关心的是保持土壤肥沃并且免受病害。 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) 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

19、中。 (2)You will want to continue to focus on positive choices.(2018全国,七选五) 你会希望继续关注积极的选择。,-21-,核心词汇,核心句式,2,3,4,5,1,(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,-22-,核心词汇,核心句式,2,3,4,5,1,4.reduce vt.

20、减少;减缩 【教材原句】A healthy soil reduces disease and helps crops grow strong and healthy.健康的土壤会减少病虫害并且帮助农作物茁壮成长。 领悟高考究考法 用介词或者reduce的适当形式填空 (1)Grocery stores of the future might stock “food” that lasts years on end,freeing up shelf space and reducing (reduce) transportation and storage requirements.(2018天

21、津,阅读理解C) 未来的食品杂货店可能会储存持续数年的“食物”,腾出货架空间,减少运输和存储需求。 (2)She reduced her weight by five kilograms. 她把体重减轻了5公斤。,-23-,核心词汇,核心句式,2,3,4,5,1,(3)They reduced the expenses to 60 percent. 他们将开支压缩到60%。 (4)A heavy fire reduced 90 percent of the houses to ashes. 一场大火使90%的房屋化为灰烬。 联想拓展记考点 (1)reduce sth.to.把减少到 (2)re

22、duce sth.by.把减少了 (3)reduce sb.to.把某人(从某级别或职位)降至,-24-,核心词汇,核心句式,2,3,4,5,1,5.keep.free from/of使免受(影响;伤害等);使不含(有害物) 【教材原句】This also keeps the air,soil,water and crops free from chemicals.同时还可以让空气、土壤、水以及农作物不受化学物质的污染。 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

23、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 river. 父母应该让孩子远离河流。,-25-,核心词汇,核心句式,2,3,4,5,1,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

24、 (6)keep away from避开;不接近,-26-,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)。 (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,-27-,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 ti

25、me 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 the 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

26、能尝试的方法。,-28-,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)Last but not least,you may also tell your problem to your teachers and friends if necessary . 最后同样重要的是,如果有必要,你也可以把你的问题告诉你的老师和朋友。,-29-,4.New scie

27、ntific discoveries (discover)are being made every day. 5.We often do chemical (chemistry)experiments in the lab.,.单句填空 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 distu

28、rbed (disturb).(2017全国,七选五) 2.Our newspaper is a national(nation) newspaper. 3.If the plot,characters,or word usage is confusing (confuse)for you,you likely wont be able to remember what you read.(201711浙江,七选五),6.While much of the debate so far has been focused on the safety of driverless cars,polic

29、ymakers also should be talking about how self-driving vehicles can help reduce traffic jams.(2018北京,阅读理解D),-30-,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

30、 in 30mph zones they struggled 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 d

31、ay a week working from 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),-31-,.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 lif

32、e and were always disturbed by 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.,-32-,4

33、.这意味着世界22%的人口摆脱了饥饿。(get rid of) This 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

34、the countryside.,-33-,(二)将第(一)题中的句子,按照合理的逻辑顺序,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.,

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