1、Unit3 知识点梳理1.works the land work vi./vt.经营,管理work the land=grow crops on it 耕耘土地 He works a big farm.他经营着一个大的农场。2.In many ways,he is one of them,and he has struggled for the past five decades to help them.struggle vi.搏斗,挣扎,努力,拼搏They were struggling to get out the burning car.他们挣扎着从烧着的车里往外爬。She strug
2、gled up the stairs with her heavy bags.她提着沉重的行李艰难地走上楼梯。搭配 struggle against与斗争，为反对而斗争，struggle for 为争取而斗争3.Dr Yuan Longping grows what is called super hybrid rice.e.g.I dont quite understand what you are explaining.Please watch what I am doing carefully.2)What=the thing(s)that1)Super 特级，超级_ the emper
3、or saw was quite different from _ the old minister told him.A.What,what B.That,whatC.Which,that D.All,all It is pretty well understood _ controls the flow of carbon dioxide in and out the atmosphere today.A.that B.when C.what D.how 4.This special strain of rice makes it possible to produce one-third
4、 more of the crop in the same fields.it 在句中作形式宾语,真正的宾语为to produce,结构为:动词(make,feel,think,regard)+it+adj+to do.e.g.We think it important to learnEnglish well.The guide thought _ wrong to eat monkeys.A.this B.it is C.it D.that was5.Dr Yuan searched for a way to increase rice harvest without expanding
5、the area of fields.search=try to find by looking for “搜查”。The policeman searched the thief to see what he had in his pockets.警察搜查小偷,看他口袋里有什么东西。The villagers are searching for the missing child.村民们正在搜寻那个失踪的孩子。注意：search sb.指“搜查某人”,指对某人进行搜身。search for sb.指“搜寻某人”,指为了要找到某人进行搜寻,相当于look for。例如：search常用的搭配：
6、search sb./sth.搜查某人/某物search for sb./sth.搜寻某人/某物search sth./sb.for搜查某物/某人以寻找 in search of 寻找search out 发现6.Thanks to his research,the UN has more tools in the battle to rid the world of hunger.1)thanks to表示“幸亏,多亏”多用于表达正面意思,相当于感谢,在句中作状语和表语。Thanks to your help，much trouble was saved.多亏你的帮助,减少了许多麻烦。Ani
7、mals living environments have been getting worse _ the increase in industrial pollution.A.thanks to B.because C.as D.since2)ridof 使摆脱/清除rid a house of mice rid oneself of debt清除室内老鼠还清债务类似用法动词：inform/warn/cureof,The sales manager asked his men to informhim of everything concerning the sales in time.销
8、售部经理让他手下的人把关于销售量的情况及时报告他。7.Using his hybrid rice,farmers are producing harvests twice as large as before.英语中的倍数表达法共有三种形式:(1)倍数+形容词/副词的比较级+than.(2)倍数+as+形容词/副词的原级+as.(3)倍数+the+名词+of.这座楼比那座楼高出五倍。This building is five times higher thanthat one.This building is five times as high asthat one.This buildin
9、g is five times the height/sizeof that one.It is reported that the United States uses _ energy as the whole of Europe.A.as twice B.twice much C.twice much as D.twice as much8.And he would rather keep time for his hobbies.would rather 宁愿，宁可Hed rather work in the countryside.用法1：would ratherthan 宁愿而不，
10、与其不如I would rather watch TV at home thango to the cinema.用法2：would rather than=would ratherthanFacing the enemies,our soldiers would die rather than surrender.面对敌人,我们的战士宁死不屈。Rather than refuse to help you,I would borrow money from my friends.我宁可向朋友借钱,也不愿拒绝帮助你。用法3：would rather后面也可跟从句表示主语宁愿某人做某事。这时，从句
11、谓语应用虚拟语气，即用一般过去时表示现在或将来要做的事；用过去完成时表示已经做过的事或过去要做的事。Id rather you hadnt told him the news that day.用法4:would rather have done sth.表示主语要做某事,而结果却事与愿违。Id rather have left a note on her desk.我本想留张字条在她的书桌上。(事实上没有)高考链接-Shall we go skating or stay at home?-Which _ do yourself?(05 全国）A.do you rather B.would y
12、ou ratherB.C.will you rather D.should you rather答案B would rather do sth.更喜欢做1)too much 与much too的区别too much通常位于动词之后,修饰动词,too做much的状语,后面也可接名词。9.Indeed,he believes that a person with too much money has more rather than fewer troubles.She does talk too much,doesnt she?He has too much work to do.而much t
13、oo则常用在形容词或副词之前修饰形容词或副词。The dress is much too long for me.这衣服我穿太长了。I got into the taxi and drove much toofast.我上了出租车,并开得飞快。2)rather than 而不是Mary,rather than her roommates,is going to Beijing.要去北京的是玛丽,而不是她的室友们。注意:rather than 连接两个名词或代词作主语时,谓语动词应与rather than 前面的名词或代词在人称和数上保持一致。She ran rather than walked
14、.她跑着而不是走着。10.He therefore gives millions of yuan to equip others for their research in agriculture.Therefore adv.因此，因而equip vt.装备，配备，供给，提供He equipped himself for a long journey.他为长途旅行准备行装。Proper education will equip one for a job.接受一定的教育就使你具备就业的能力.ReadingOrganic Farming吃动物怕激素；吃植物怕毒素；喝饮料怕色素；能吃什么，心里没数
15、。全国人大代表金志国带到两会上的顺口溜1.supply.1)用作名词时：a)指“供给;供应”等,其反义词为demand(需求)。supply and demand 供与求be in short supply 供应缺乏,供应不足food supply 食物供应water supply 供水Language pointsb)当“供应品;生活用品;补给品”等,常用复数supplies。military supplies 军需品household supplies 家庭用品medical supplies 医用品2)用作动词时,指“供给,提供,备办”等,supply sb.(with)sth,supp
16、ly sth.to /for sb.-They supplied food to/for them.他们供给他食物。-The library is well supplied with books.图书馆备有充足的书籍。2 These chemicals in the food supply build up in peoples bodies over time.build up 增强;建立；开发Hard working conditions build upcharacter.艰苦的工作条件能磨练人的性格。3 Many of these chemicals can lead to canc
17、er or other illnesses.lead to:导致；造成Too much work and too little restoften lead to illness.过量的工作和过少的休息会引起疾病。All roads lead to Rome.条条大道通罗马。4 They focus on keeping their soil rich and free of disease.focus on:集中(注意力，精力等）于You should focus your attention on your work.把注意力集中在你的工作上。Focus on life.瞄准生活。5Thi
18、s also keeps the air,soil,water and crops free from chemicals.keeps free from/of:使免受（影响，伤害）；使不含（有害物）keep free from emotional reactions 避免激动的反应keep free from restrictions 避免受到限制keep from:阻止;妨碍I hope you will keep from doinganything rash.我希望你不要做出任何鲁莽的事情来。6.Crops such as peas or soybeans put important
19、minerals back into the soil,making it ready for crops such as wheat or corn that need rich and fertile soil.分析 本句结构比较复杂。其主干结构为:主句(Crops put important minerals back into the soil)+状语(making it ready for crops)。状语中又包含“make+it+形容词”结构和由that引导的定语从句(that need rich and fertile soil)。7.Some organic farmers
20、prefer planting grass between crops to prevent wind or water from carrying away the soil,and then leaving it in the ground to become a natural fertilizer for the next years crop.分析本句的主干结构是一个简单句,其结构是:主语(farmers)+谓语(prefer)+并列宾语(planting.+leaving.)。其中between crops和in the ground作地点状语。两个宾语后面又分别带有一个不定式作目的状语（to prevent wind or water from carrying away the soil和to become a natural fertilizer for the next years crop）。
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