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高三英语备考总复习人教版必修4:Unit 2《Working the land》课件81张

发布时间:2017-02-22  编辑:查字典英语网小编

  精 讲 点 拨 条分缕析

  整合讲练 话 题 诵 读

  1 考 题 对 接

  2 基 础 回 顾 3 课后强化作业

  5 精 讲 点 拨

  4 话 题 诵 读 早读一刻

  情感体验 考 题 对 接 真题链接

  体会考点 基 础 回 顾

  稳扎稳打

  网络构建

  必 修 4

  Units 1~Unit 2

  Working the land

  Yuan Longping, a Chinese agriculturalist, was born in Qianyang, Hunan Province in 1930. Professor Yuan graduated from Southwest Agriculture College in 1953 and has since devoted himself to agricultural education and research.

  Yuan Longping started the research of indica hybrid in 1964. Yuan Longping made breakthrough in 1973. He was the first person to develop indica hybrid rice. The new technology was tested in many areas of South China in 1974 and 1975, and then extended to other areas. China became the first country that is capable of producing hybrid rice.

  Yuan Longping is the first scientist who successfully altered the self­pollinating characteristic of rice and realized large­scale farming of hybrid rice. This earned him the title “Father of Hybrid Rice”.

  1.[教材原句]If_so,_what did you do to grow them?(U2P9)

  [真题呈现](2011·江苏,33)It sounds like something is wrong with the car's engine.________, we'd better take it to the garage immediately.

  A. Otherwise B. If not

  C. But for that

  D. If so

  [考题巧解]

  解析:本题考查省略。句意:听起来好像是车的发动机出毛病了。如果这样的话,我们最好立刻把他带到修车厂去。otherwise“否则,要不然”;if not“如果不的话”;but for that“若不是因为那”;if so“如果这样的话”。由句意可知D项正确。

  答案:D

  2.[教材原句]...for whom he has struggled for the past five decades.(U2P10)

  [真题呈现](2010·湖南,26)Dina, ________ for months to find a job as a waitress, finally took a position at a local advertising agency.

  A.struggling

  B.struggled

  C.having struggled

  D.to struggle

  [考题巧解]

  解析:句意:狄娜奋斗了几个月想找个服务员的工作,最后在广告公司谋到了一个职位。本题考查非谓语动词作定语。因Dina与struggle之间为动宾关系,且struggle发生在took之前,故用现在分词的完成式作定语。

  答案:C

  3.[教材原句]Many of these chemicals can lead_to cancer or other illnesses.(U2P14)

  [真题呈现](2010·重庆,30) The news shocked the public,________to great concern about students' safety at school.

  A.having led

  B.led

  C.leading

  D.to lead

  [考题巧解]

  解析:本题考查非谓语动词。根据本句的结构来看,引起的关注正是这条消息令公众震惊的同时所引起的结果,即结果状语,而作结果状语,且表达主动意义,不可能用过去分词,排除B;而答案A意思是“导致了……以后”,意思是在谓语动词发生之前的,不符合本句的语境;而答案D为不定式,常表示目的,或意想不到的结果,也不符合本句的语境,故只有C最合适。句意:这条消息令社会震惊,引起了人们对在校学生安全的极大关注。

  答案:C

  1.n. 饥饿;欲望 vt. & vi. (使)饥饿________→adj. 饥饿的 ________

  2.vt. & vi. 斗争;拼搏;努力________

  3.vt. & vi. 使变大;伸展________→n. 扩张;膨___ _____

  4.vt. & vi. 循环;流传________→n. 循环;环流____ ____

  5.vt. & vi. 配备;装备________→n. 设备;装备____ ____→adj. 设备精良的________

  6.n. 自由;自主________→adj. 自由的________

  7.vt. & n. 懊悔;惋惜________→adj. 懊悔的;失望的________→adj. 令人遗憾的;可惜的________

  8.adj. 化学的;关于化学的________→n. 化学______ __→n. 化学物质________

  9.vt. 使迷惑;使为难________→adj. 迷惑的;糊涂的________→adj. 令人迷惑的;使人感到混乱的________→n. 困惑;混淆________

  10.vt. 减少;减缩________→n. 减少;减轻________

  11.vt. 画底线标出;强调________→adj. 下划了线的________

  12.n. 总结;摘要;概要________→v. 概括;总结;概述________

  13.n. 评论;议论 vi. & vt. 表达意见;作出评论___ _____→n.(尤指在电视或电台上对比赛等实况进行的)解说;报道______

  14.adj. 引起烦恼的;令人不安的________→v. 打扰;使焦虑________

  15.adv. 因此;所以;因而________

  16.vt. & vi. 输出;出口 n. 输出品;输出____ ____→n. 出口商;出口国________

  17.n. 工作;职业;占领________→v. 占领________

  18.n. 细菌________

  19.n. 生产;制造________→vi. & vt. 生产;产出__ ______→n. 生产者;制片人________

  20.n. 矿物;矿石________→n. 矿山________→n. 矿工________

  答案:1.hunger; hungry 2.struggle 3.expand; expansion 4.circulate; circulation 5.equip; equipment; equipped 6.freedom; free 7.regret; regretful; regrettable 8.chemical; chemistry; chemicals 9.confuse; confused;

  confusing; confusion 10.reduce; reduction 11.underline; underlined12.summary; summarize 13.comment; comment14.disturbing; disturb 15.therefore 16.export; exporter

  17.occupation; occupy 18.bacteria 19.production; produce;producer 20.mineral; mine; miner

  Ⅱ.短语突破

  1.________________ 幸亏;由于;因为

  2.________________

  摆脱;除去

  3.________________

  对……感到满意

  4.________________

  宁愿;宁可

  5.________________

  逐渐增强;建立;开发

  6.________________

  导致;造成(后果)

  7.________________

  集中(注意力、精力等)于

  8.________________

  盛产

  9.________________

  使……免受(影响,伤害等);使

  ……不含(有害物)

  10.________________

  选择……(而不是……)

  答案:1.thanks to 2.rid...of... 3.be satisfied with

  4.would rather 5.build up 6.lead to 7.focus on 8.be rich in9.keep...free from/of 10.prefer...to...

  Ⅲ.句型总结

  1.Dr Yuan Longping grows________ ________ ____ ____super hybrid rice.

  袁隆平博士种植的是被称为“超级杂交水稻”的稻种。

  2.This special strain of rice__________ __________ possible__________ __________one­third more of the crop in the same fields.

  这种特殊的稻种使得同样的田地多收获三分之一的产量。

  3.Using his hybrid rice, farmers are producing harvests______ ________ ________ ________ ________.

  用他的杂交水稻种子,农民们种出的粮食比以前多了一倍。

  4.He________much________keep time for his hobbies.

  他宁愿把时间花在自己的爱好上。

  5.Over the past half century, using chemical fertilizers ______ ________ ________ ________in farming.

  在过去的半个世纪里,在耕作中使用化肥已经非常普遍。

  答案:1.what is called 2.makes it; to produce 3.twice as large as before 4.would; rather 5.has become very common

  Ⅳ.教材设题

  1.________his research, the UN has more tools in the battle to rid the world________hunger.

  A.Thanks to; of

  B.Thanks for; for

  C.In spite of; in

  D.As regards; to

  答案:A

  2.He would much rather________time for his hobbies.

  A.to keep

  B.keeping

  C.keep

  D.kept

  答案:C

  3.This also keeps the air, soil, water and crops________chemicals.

  A.out of

  B.away from

  C.free from

  D.free

  答案:C

  1.struggle vt. & n. 斗争;拼搏;努力;挣扎

  They were struggling_to get out of the burning car.

  他们挣扎着从燃烧的汽车里向外爬。

  [归纳拓展]

  (1)struggle for 为……而斗争

  struggle with/against sb./sth. 与……作斗争

  struggle to do sth. 努力做某事

  struggle to one's feet

  挣扎着站起来

  (2)with a struggle 费劲地

  the struggle for existence 生存竞争

  ①We have been struggling_to_ develop economy.

  =We have been struggling_for the development of economy.

  为了经济的发展,我们一直努力奋斗着。

  ②We have to struggle_against all kinds of difficulties from home and abroad.

  我们必须和来自国内外的各种各样的困难作斗争。

  [运用提升]

  用适当的介词填空。

  (1)Fish struggle________survival when the water level drops in the lake.

  (2)Many countries in the world had a hard time struggling________A/H1N1 flu.

  (3)It was a terrible struggle________him to accept her death.

  答案:(1)for (2)with/against (3)for

  2.expand vt. & vi. 使变大;伸展;阐述

  The air in the balloon expands when heated.

  加热时气球里的空气就会膨胀。

  Why not try to expand your story into a novel?

  为什么不把你的文章扩展成小说呢?

  [归纳拓展]

  (1)expand into 把……扩展(发展、膨胀)

  expand on/upon 阐述;详谈

  (2)expansion n. 扩大;扩张;扩展

  expansive adj. 广阔的;易扩张的;易膨胀的

  I don't quite follow your idea. Can you expand_on it?

  我不大理解你的想法,你能详细地加以说明吗?

  辨析:expand, extend, spread, stretch

  (1)expand展开,扩大,不仅指尺寸的增加,还可指范围和体积的扩大。

  (2)extend 伸出,延伸,指空间范围的扩大,以及长度、宽度的向外延伸,也可指时间的延长。

  (3)spread 伸开,传播,一般指向四面八方扩大传播的范围,如传播(疾病)、散布(信息)等。

  (4)stretch伸展,拉长,一般指由曲变直、由短变长的伸展,不是加长。

  [运用提升]

  用expand, spread, extend和stretch填空。

  (1)The new system________the role of family doctors.

  (2)The hot weather________to October.

  (3)The fire soon________to the nearby buildings.

  (4)The cat________out in front of the fire.

  答案:(1)expanded (2)extended (3)spread

  (4)stretched

  3.equip vt. & vi. 装备;配备;使有准备;使有资格

  ①Our classroom is_equipped_with a TV set and a tape recorder.

  我们的教室里配有一台电视和一台录音机。

  ②They were not equipped_to deal with the situation.

  他们没有准备好应付这种局面。

  ③The centre is_well_equipped_for camping and fishing.

  本中心有齐全的野营和钓鱼设备。

  [归纳拓展]

  equip...with... 用……装备(被动语态:be equipped with)

  equip sb. for... 使某人具有……

  equip...for sth./to do sth. 为了某事/做某事而有所准备

  点拨:equip的名词形式为equipment(注意:不双写p),意思是“设备、装备”,为不可数名词。

  Is it a_piece_of_equipment

  for the kitchen?

  这是件厨房设备吗?

  [运用提升]

  —Why did the parents spend so much money on their children?

  —They just want to have their children________with good education.

  A.offered B.paid

  C.made

  D.equipped

  答案:D 句意:——为什么父母在他们的孩子身上花这么多的钱?——他们只是想让他们的孩子获得好的教育。本句使用了have sth. done,同时选项中的equip意为“装备”,常与with连用;而offer构成的结构是offer sb. sth.和offer sth. to sb.,不能够与介词with连用。故选D。

  4.regret vt. 遗憾;惋惜 n. 遗憾;懊悔

  ①I regret_to_say I am unable to help you.

  很抱歉,我爱莫能助。

  ②I have always regretted_not_having studied harder at school.

  我一直后悔在校期间没能努力学习。

  ③He regrets_that he never went to college.

  他为自己从未上过大学深感遗憾。

  [归纳拓展]

  (1)regret to do sth. 遗憾地去做某事

  regret doing sth. 后悔做过某事

  regret not to have done sth. 后悔没做过某事

  regret that 从句

  遗憾……

  (2)with great/deep regret 很遗憾

  to one's regret 让某人感到遗憾的是

  Much_to_my_regret,_I didn't go with them.

  非常遗憾,我没有同他们一起去。

  点拨:与regret用法类似的动词还有:

  forget/remember to do sth. 忘记/记住要做某事

  forget/remember doing sth. 忘记/记住做过某事

  [运用提升]

  (1)________great regret they abandoned the idea of rebuilding the kitchen.

  A.To

  B.At

  C.With

  D.For

  答案:C with great regret为固定短语,意为“非常遗憾地”。句意:他们遗憾地放弃重建厨房的想法。此题易误选A项。“使某人遗憾的是”应为to one's regret。

  (2)We regret________you that you are to be dismissed next week.

  A.telling

  B.to tell

  C.to be told

  D.tell

  答案:B regret to say/to inform/to tell you多用于告知坏消息时,意为“很抱歉地告诉你”。regret telling表示告诉之后又后悔了。

  5.comment n. 意见;评论;批评 vt.评论;发表意见

  ①Have you any comment to make about the cause of the disaster?

  你对引起灾难的原因有何评论?

  ②She made helpful comments_on my work.

  她对我的工作提出了有益的意见。

  ③Several critics have commented the movie is unnecessarily violent.

  一些评论家批评这部电影充斥着不必要的暴力。

  ④—Will you resign, sir? 先生,你会辞职吗?

  —No_comment! 无可奉告!

  [归纳拓展]

  (1)make comments on/about... 对……发表评论

  no comment 无可奉告

  (2)comment on/upon... 对……评论

  comment that... 评论……

  [运用提升]

  完成句子

  (1)你对昨天发生的事故有何评论?

  Have you________ ________to make about the accident which happened yesterday?

  (2)对他的行为举止有很多的议论。

  There was a lot of________ ________his behaviour.

  (3)我觉得我无法对他们的决定作出评论。

  I don't feel I can________ ________their decision.

  答案:(1)any comment (2)comment about (3)comment on

  6.focus vt. 集中注意力;聚焦 n. 焦点,关注点

  I'm too tired to focus/concentrate_my_mind_on_solving this problem.

  我太累了,无法集中精力解决这个问题。

  [归纳拓展]

  (1)focus on 集中于……

  focus...on... 把……集中于……

  (2)the focus of attenton/concern 注意力/关注的焦点

  focus one's attention/eyes/energy on 集中注意力/目光/精力于

  bring/throw sth. into focus 使某事物成为焦点(受到关注)

  in/out of focus 焦点对准/没对准,清晰/不清晰

  ①This new fact brought three big questions into_focus.

  新事实暴露出三个大问题。

  ②They focus_on keeping their soil rich and free of disease.

  他们把精力集中在使土壤保持肥沃并远离病害上。

  ③If Chinese companies wanted to transform crisis into an opportunity, they would have to focus_more_attention_on industrial design and develop their own brands.

  如果中国的公司想把危机转化为机会,他们必须集中精力搞企业设计并发展自己的品牌。

  [运用提升]

  Now many countries________saving natural resources rather than destroying them.

  A. refer to

  B. speak of

  C. focus on

  D. come to

  答案:C 句意:当今很多国家都把注意力集中在节约自然资源上而不是破坏自然资源。focus on“集中(注意力、精力等)于”,符合题意。

  7.would rather 宁愿;宁可

  ①He would_rather_die_than_give a speech.

  他宁死也不愿演讲。

  ②—Do you mind if I smoke?

  你介意我抽烟吗?

  —Well, I'd_rather(that)you_didn't.

  嗯,最好别抽。

  ③I would_rather I had met him yesterday.

  要是昨天我见到他就好了。

  [归纳拓展]

  (1)would rather(not) do 宁愿做……

  (2)would rather+从句

  would rather have done 本来想……(而未实现)

  (3)prefer to do sth. rather than do sth. 宁愿……也不……

  点拨:would rather+从句,意为“宁愿”,此时从句中要用虚拟语气。表示与现在或将来事实相反,从句用一般过去时;表示与过去事实相反,从句用过去完成时。

  [运用提升]

  John wants to see me today. I would rather he___ _____tomorrow.

  A.came

  B.comes

  C.will come

  D.had come

  答案:A would rather后加从句,谓语用一般过去时表示对将来的虚拟。由句中的时间状语tomorrow可知此处要用一般过去时表示对将来的虚拟。

  8.build up 逐渐增强;建立;开发

  试分析下列例句,体会build up的含义:

  ①Hard working conditions build_up one's character.(锻炼)

  ②Promote physical culture and build_up the people's health.(增强)

  ③(2011·重庆阅读C)On the contrary, Mary Ruebush, an American immunologist(免疫学家),encourages children to play in the dirt to build_up a strong immune system.(建立)

  相反的,美国的免疫学家Mary Ruebush鼓励孩子们在土中玩,他认为这样能让孩子们建立起强大的免疫系统。

  ④Build_yourself_up to well performance on the day of the exam.(准备)

  [归纳拓展]

  build(oneself)up to sth. 为……做准备

  build sb./oneself up 增强体质

  build up a fame 建立名声

  build up one's health/body 增进健康

  [运用提升]

  (2011·福建莆田一中高三模拟)With the help of his friends, he has________a good business over the years.

  A. built up

  B. made up

  C. grown up

  D. picked up

  答案:A 句意:在朋友帮助下,几年来他的生意做得很兴旺。build up“使增大,加强”,符合题意。此题易误选D项。pick up可意为“好转,改善,增强”,但多用作不及物动词。

  9.lead to 导致;造成(后果);通向

  This will probably lead_to_trouble in the future.

  这日后将可能导致麻烦。

  The road leads_to the foot of the hill.

  这条路通向山脚下。

  [归纳拓展]

  (1)lead sb. to do sth. 使某人做某事

  lead a/an...life 过着……的生活

  (2)be in/take the lead 领头;带头;居首位

  What led_you_to believe I was not good at maths?

  是什么使你相信我的数学不好?

  [运用提升]

  (1)(2011·北京四中高三模拟)The introduction of modern facilities to the company led to a great many workers___ _____.

  A. to be laid off

  B. being laid off

  C. laid off

  D. laying off

  答案:B lead to“导致,引起”,to为介词,后跟名词、代词或动名词形式作宾语。a great many workers是v.­ing形式的逻辑主语,并且与“lay off”是动宾关系,故选B。由于忽略lead to中的介词to此题易误选C项;另外由于忽略workers与lay off的被动关系,此题易误选D项。

  (2)(2011·山东,27)Look over there—there's a very long, winding path________up to the house.

  A. leading

  B. leads

  C. led

  D. to lead

  答案:A 本题考查非谓语动词作定语。句意:看那儿——有一条很长的且蜿蜒曲折的路,它直接通向这座房子。本题为非谓语动词作定语,故排除B项,且path与lead之间为主谓关系,故用现在分词作定语。

  10.If so, what did you do to grow them?

  如果这样的话,你做了些什么来种植这些植物?

  if so意为“如果是这样的话”,是if引导的条件状语从句的省略形式,表示肯定意义,如果表示否定意义,则用if not。

  ①Will you be free this Sunday? If_so,_let's go camping.

  这个周日你有空吗?如果有,我们去野营吧。

  ②Is anybody feeling cold? If_not,_let us open the windows.

  有人感到冷吗?如果没有的话,我们把窗子打开。

  [归纳拓展]

  由if等构成的此类省略形式

  if any 如果有的话

  if possible 如果可能的话

  if necessary 如果必要的话

  if ever 如果曾经的话

  when possible 当可能时

  when necessary 当必要时

  ①If_necessary,_I'll go there myself.

  如果必要的话,我将亲自去那儿一趟。

  ②When_possible,_you should try it once more.

  可能时,你应该再试一次。

  [运用提升]

  —I hear Mr Wang has passed the driving test.

  —________,let me go and congratulate him.

  A.Even so

  B.If so

  C.If any

  D.If not

  答案:B 答句句意:如果这样的话,我要去祝贺他。even so“尽管如此,即使这样”。

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