高中英语必修四第二单元重点
人教新课标高中英语必修4Unit2重点知识点汇总
人教新课标高中英语必修 4 Unit2重点知识点汇总Unit 2 Working the Land核心词汇1.struggle v.挣扎；努力；拼搏；斗争n. (为争取自由、政治权利等而进行的)斗争，奋斗【常用结构】struggle with 与……斗争struggle for 为争取……而斗争struggle against 与……斗争；为反对……而斗争struggle to do sth. (=make great efforts to do sth.) 努力做某事feet 挣扎着站起来struggle to one’ｓShe struggled to keep back the tears. 她努力忍住泪水。
It was a hard struggle to get my work done on time.为使工作按时完成, 我做了一番努力。
【易混辨析】struggle/fightstruggle 指较长时间的、激烈的斗争，往往指肉体及精神上的战斗。
fight 意为“搏斗，打斗，打架”，表示“斗争”时，包含体力和勇猛的因素。
2.expand v.扩大；扩展；增加；增长；（使）膨胀；阐述；使变大【常用结构】expand...into... 将……扩展/发展成……expand on 阐述；详谈He is thinking of expanding his business.他在正考虑扩大他的生意。
population expanded by 12%.In ten years the c ity’ｓ十年之中,该市人口增加了百分之十二。
【联想拓展】expansion n.展开；膨胀；扩展expansive a dj.广阔的；易膨胀的【易混辨析】expand/extend/spread/stretchexpand 意为“展开，扩大”，不仅指尺寸的增加，还可指范围和体积的扩大。
extend 意为“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。
高中英语必修四Unit2知识归纳
Unit 2 知识归纳词汇1．struggle v．&n.挣扎；努力；奋斗；斗争；艰难地进行(1)struggle to do sth.努力做某事；挣扎着做某事struggle against/with同……作斗争struggle to one’s feet挣扎着站起来struggle for 为……而斗争；努力争取……struggle on挣扎着，坚持下去(2)with a struggle 费劲地2．expand vt.& vi. 扩大，增加；使变大；使增强；使膨胀；阐述；细谈(1)expand into/in...使扩大，变大；把……扩展expand on/upon 阐述，详谈(2)expand...into...把……扩展/发展成……(3)expansive adj.易扩张的；易膨胀的；广阔的expansion n. 扩张；膨胀；扩大；发展Metals expand when they are heated.金属受热则膨胀。
同类辨析expand，extend，spread，stretch与enlarge(1)expand展开，扩大，使膨胀；不仅指尺寸的增加，还可指范围和体积的扩大。
(2)extend伸长，延伸，指空间范围等的扩大，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。
(5)enlarge指面积、体积和范围的扩大以及能力的增长，不能用来指重量、速度、时间等。
3．equip vt.装备；配备(1)equip...for sth./to do sth.为了(做)……而装备……equip...with...用……装备……，使装(具)备equip oneself 整装，预备行装(2)be equipped for准备好，对……有准备be equipped with装(配)备；安装be fully/specially/poorly/well equipped装备齐全/独特/简陋/完好(3)equipment n．[U]装备；设备a piece of equipment (不可用an equipment)4．regret vt.惋惜；遗憾n．遗憾；懊悔(1)regret to do sth.(常和tell，say，inform等动词连用)对将要做某事表示遗憾regret doing sth.后悔做了某事regret＋thatclause遗憾……(2)feel regret for对……感到后悔to one's regret令某人感到遗憾的是It's to be regretted that...令人遗憾的是……with great/deep regret很遗憾5．focus n．集中点，焦点，调焦；兴趣或注意力的中心vt.&vi.(使)聚焦，(使)集中精力于……(1)focus one's eyes/energy/mind/attention on sth.把某人的眼神/精力/思想/注意力集中于某物(2)focus on/upon sth.(某人)把注意力集中于某物(3)out of focus模糊不清/焦点没有对准的in focus清晰的/焦点对准的bring sth.into focus使……成为关注的焦点the focus of attention/concern注意力/关注的焦点6．reduce vt. 缩减，减少；使……处于……状态(表示此种意义时，常用于被动语态)；使变弱；使降职(级)(1)reduce sth.(from sth.) to...把……减少到……reduce sth.(from sth.) by...把……减少了……be reduced to...沦落为……be reduced to despair 陷入绝望reduce sb.(from sth.) to...把某人(从某级别或职位)降至……(2)reduction n．减少，缩减；折扣；减价make a reduction减价(3)(反)increase v．增加，增长，增大7．comment n．&vi.评论，注释，意见(1)make comments on/upon sth.评论某事without comment不必多说no comment无可奉告(2)comment on/upon评论，谈论，对……提意见comment that...评论……He made several comments on the film.他对这部电影作出了许多评论。
高一英语新课标必修4unit2知识点
一、Key phrases
1.struggle for
为……斗争
struggle against/with 同……作斗争
struggle to one’s feet 挣扎着站起来
struggle to do sth. 努力做某事
2.expand
“展开，扩大” 范围和体积扩大
extend
“伸出，延伸” 长度,宽度的外延
二、Key language points
1.work the land work vi &vt. How many hours a day do you work?
• △organic [ɔ:'ɡænik] • adj.有机的; 器官的；组织的
• △fertile ['fə:tail]
• adj. 肥沃的；富饶的肥料；
• △fertilizer ['fə:tilaizə] • n. 化肥
• production
• n.生产；制造
• bacteria （bac[btæerk'ituiəmriəm的] 复数形式） n .细菌
• 遗憾地要去做某事 • 令某人遗憾的是
with regret/pride/satisfaction • 遗憾地/骄傲地/满意地
6.reduce by ...
• 减少了…….
reduce to ...
• 减少到……
be reduced to n./doing
• 沦落为……
7.to one’s satisfaction
• 越南（东南亚国家） • 幸亏；由于；因为 • n. vt. & vi.战役；战斗；较量 • vt.摆脱；除去 • 摆脱；除去 • 对……感到满意 • n.自由；自主 • 宁愿；宁可 • adv.因为；所以；因而 • vt. & vi. 配备；装备 • n.高粱 • n. 谷物；粮食；颗粒. • n. 花生 • vt. & vi. /n 输出；出口
译林版高中英语选择性必修第四册 Unit 2 单元重点回顾
communicate than it was time to head back home.
6. There were times when questions like “Would you mind passing me
the jam,please” would be met with the reply “Why would I mind?”
need people
with a knowledge of Chinese.
9.This comes as no surprise,
given that
English has borrowed
words from more than 300 different languages,including Latin,Greek,French
11. The longer
word has been in use, the more
it
sounds and even looks like the native language.
重点语法
复习定语从句 1.The time when I first met Mr White was a very difficult period of my life. 2.The house whose windows face north belongs to me. 3.Students should involve themselves in community activities where they can gain experience for growth. 4.It has created thousands of jobs,many of which need people with a knowledge of Chinese.
高一外语必修4unit2知识点
高一外语必修4unit2知识点高一外语必修4 Unit2 知识点Unit2是高一外语必修4教材中的一单元，主要涵盖了关于犯罪与法律的话题。
本文将详细介绍Unit2中的一些重要知识点，以帮助学生更好地理解和掌握这一单元内容。
一、单词与短语1. robbery (noun): 抢劫The police are investigating the robbery that took place at the bank yesterday.(警方正在调查昨天在银行发生的抢劫案。
)2. murder (noun): 谋杀The detective was able to solve the murder case and bring the killer to justice.(这名侦探成功破案，将凶手绳之以法。
)3. burglary (noun): 入室盗窃The house was empty when the burglary happened, so nobody saw the thief.(当入室盗窃案发生时，房子里空无一人，所以没人看到小偷。
)4. suspect (noun): 嫌疑犯The police arrested a suspect in connection with the robbery.(警方逮捕了一名与抢劫有关的嫌疑犯。
)5. evidence (noun): 证据The detective collected a lot of evidence at the crime scene.(这名侦探在犯罪现场收集了大量的证据。
)二、被动语态在Unit2中，我们需要掌握被动语态的用法。
被动语态是表示主语是动作的接受者的一种句式。
构成被动语态的基本结构为：“be + 过去分词”。
例如：Active: The police caught the thief.Passive: The thief was caught by the police.被动语态常用于描述某一行为的执行者不明确或不重要的情况下。
高中英语必修四第二单元知识点
高中英语必修四第二单元知识点1 sunburn v.日晒，晒黑→sunburnt adj.晒黑的2 struggle v./n.挣扎，奋斗，努力struggleagainststruggle forstruggle with3 decade n.十年，十年期4 super n.冗员, 额外人员; [口]特级品, 特大号商品; 超级市场adj特级的, 极好的, 非凡的5. hunger n.饥饿，渴望/v.使饥饿→hungry adj.饥饿的;渴望的6.output n. 产量，输出，input 输入，消费7.disturbing adj 引起烦恼的，令人不安的，disturbv. 打扰，麻烦8.expand vt.扩大, 扩展,张开, 使发, 详谈; 引伸9. circulate v.循环，流通→circulation n.循环，流传10. battle n.战役，战斗v.搏斗，奋斗11. therefore adv.因此，所以12. rid vt 摆脱，除去13.freedom n 自由，自主→free adj 自由的，免费的14.equip v.配备，装备→equipment n.设备15. export v.输出，出口 n.输出品→import v.输入，进口 n.进口品16.nationality n 国籍，national adj 国家的，民族的nation n. 国家17.occupation n 工作，职业，占领occupy v.占用，使从事，把注意力集中于...占领, 占据 18.confuse v.使迷惑，使为难→confused adj.感到迷惑的confusing adj.令人迷惑的19 regret v./n.后悔，遗憾→regretful adj.后悔的，遗憾的20.production n.生产，制造，productive可生产的，可制造的，produce –v 生产，制造21.discovery n. 发现，发觉，discover-v发现，22.focus v. 集中，聚焦，n 焦点，中心点23. reduce v.减少，缩减→reduction n.减少，缩减24 comment n./v.评论，议论1 if not 如果不….If so 如果这样，2.consider oneselfsth 自认为是…consider sb sth 认为某人是…3.since then 从那时起4.search for a wayto do sth 寻找做某事的途径。
高中英语必修四第二单元重点
高中英语必修四第二单元重点、难点U n i t T w o W o r k i n g t h e l a n d1、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,他那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体就跟过去五十年他一直在帮助的千百万的中国农民一样;完成时态的时间表达：1for + 段时间多长时间以来2before 以前3since + 时间点自从什么时间since +时间段 +ago 自从多长时间以前 since +从句自从… since then 从那以后4recently ; lately; in recent +时间最近；最近多长时间5so far; by far; up till now; by now 到现在为止6by the end of… / by the time… 到…时间结尾7 in / during / for the past / last + 时间段在过去的多长时间里特别提示：1如果句子中有以上时间,句子一般要用完成时;2before后不能跟时间；否则句子用过去时态;3by the end of… / by the time…多用于过去完成时或将来完成时;即时活用：1、________ several years he has been working like this. A. In B. After C. For D. Since2、The heavy rainfall has caused vegetable prices to rise daily ______ the last two months. A. by B. sinceC. forD. with3、–Where does Mr Zhang live --- He has been on the island ________the end of the Long March. A. sinceB. byC. inD. at 4、I have been in London twice ______ 1965. A. in B. sinceC. duringD. when 答案：C C A B2、Dr. Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士寻找一种在不扩大土地面积的情况下增加收成的办法;search vt. 搜查The guards searched the house carefully. 警卫仔细搜查了整个房子;They searched the woods for the lost boy. 他们搜查整个森林寻找丢失的小孩;联想扩展：1search for寻找 What are you searching for 你在找什么2search one’s heart 扪心自问I often search my heart if I am a competent teacher. 我常扪心自问我是不是一个称职的老师;3in search of 寻找 We started at once in search of something to eat. 我们立刻开始寻找可吃的东西;3、Dr. Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士寻找一种在不扩大土地面积的情况下增加收成的办法;expand vi. & vt. 用法归纳：1膨胀；扩大 A tyre expands when you pump air into it. 给轮胎充气轮胎会鼓起来的;Xi’an is expanding in all directions. 西安正在向四周扩大;2加大；使膨胀Heat expands metal. 热使金属膨胀; He has expanded his business. 他把生意扩大了;联想扩展：expand on 细说；阐述Let me expand on my idea. 我来阐述一下我的观点;4、Dr. Yuan is now circulating his knowledge in India, Vietnam and many other less developed countries to increase their harvest.袁博士正在把他的知识用在像印度、越南这些不发达的国家以便于增加它们水稻的产量;circulate vi. & vt.用法归纳：1循环；流通 Blood circulates in the body. 血液在体内循环;It does good to a country’s economy if money circulates. 钱流动对国家经济有好处;2传播；流传Bad news circulates quickly. 坏消息传播的很快;Some people like to circulate false news. 有些人喜欢传播假消息;联想扩展：circulation n. 循环；传播；发行量5、Thanks to his research, 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战斗中又多了些方法;thanks to 幸亏；多亏；由于Thanks to the ill ness, I didn’t take that flight. 多亏生病,我没乘坐那次航班;Thanks to the teacher’s help, I’ve made some progress with my English.由于老师帮助,我的英语取得了一些进步;联想扩展：下列词组中的to为介词look forward to 期望 see to 处理；修理 be / get used to 习惯于 pay attention to 注意 get down to 开始认真做 lead to 导致devote…to 贡献 stick to 坚持；遵循 object to 反对prefer doing… to 喜欢…胜过于get around to 找时间做… live up to 不辜负 refer to 指的是；适用于 belong to 属于compare…to…把…比作 turn to 转向；求助于 add to 增加 due to 由于；归功于 be addicted to 沉迷于 adapt to 适应 agree to 同意 be subject to 受…约束 owe to 归功于thanks to 幸亏；由于 lose heart to 喜欢 tend to 倾向于 urge to 促使采取 take to喜欢 be accustomed to 习惯于即时活用：I usually enjoy his film, but the latest one ____.A. didn’t come up to my expectationB. didn’t turn out beyond expectationC. didn’t live up to my hopeD. doesn’t come up to our expectation 答案：C6、Using his hybrid rice, farmers are producing harvests twice as large as before.用他的杂交水稻种子,农民们种出的粮食比以前多了一倍;倍数表达法1 倍数百分数+ 形容词比较级 + than + 比较对象增加…倍This room is three times bigger than that one. 这个房子比那个房子大三倍;2 倍数+ as +形容词原形 + as + 比较对象是…的几倍This room is three times as big as that one. 这个房子是那个房子的三倍;3 倍数 + up on +比较对象增加…倍The number of students in our school now is 200% up on that of last year.我们学校现在的学生数量比去年增加了两倍;4 倍数 + over +比较对象增加…倍The number of students in our school now is 200% over that of last year.我们学校现在的学生数量比去年增加了两倍;5 倍数 + the + 名词 + of +比较对象是…的几倍This bridge is three times the length of that one. 这座桥的长度是那座桥的三倍;即时活用：1、Some parts in South China have experienced______ this year as they did last year.A. twice as much rainB. rain twice as muchC. as twice much rainD. twice rain as much2、My glasses cost me ______ the lost pair that I bought.A. times threeB. three times more thanC. three times as much asD. as much three times as3、– Do you regret paying fifty dollars for the dog --- No, I would gladly have paid ____ for him.A. as much twiceB. twice so muchC. much twiceD. twice as much4、Now the city is ______ it used to be.A. three times as large asB. three time larger asC. larger as three times asD. as three times largerthan 答案：ACDA7、Thanks to his research, 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战斗中又多了些方法;rid v. 免除,清除,使...获自由Let's get rid of this moldy old furniture. 咱们把这件发霉的家具扔了;We will be glad to get rid of him. 我们很高兴摆脱了他;联想扩展：1be rid of 摆脱掉She was glad to be rid of him. 摆脱了他她很高兴; Will I ever be rid of this cold 我的感冒还能好吗2get rid of 摆脱掉；戒掉It took me a month to get rid of my cough. 我的咳嗽一个月后才好; You should get rid of smoking. 你应该戒烟;即时活用：What way are you thinking of ______ rid of the flies A. to get B. getting C. being got D. to be getting 答案：A8、He would much rather keep time for his hobbies. 他宁愿为自己的爱好留点时间;had / would rather 宁愿I’d rather stay here a couple of days. 我想在这儿再呆几天; I had rather you told the truth. 我宁愿的说实话;特别提示：had / would rather 表示“宁愿”时后面跟动词原形；如果后面跟从句,从句谓语要用虚拟语气,即过去式;联想扩展：would / had rather…than 宁愿…而不愿I’d much rather deal with a man than with a woman. 我愿意和男人打交道,不愿和女人打交道;即时活用：1、I ____ play football than basketball. A. would rather B. had better C. like better D. prefer2、He insisted on staying _________ back home. A. rather than going B. rather than go C. than going D. rather than to go3、–Shall I tell them the news ---No, I would rather they _______ know. A. won’t B. don’t C. wouldn’tD. didn’t4、I’d go to hell _____stay with you. A. than B. rather C. rather than D. better than5、In fact, Mary would rather have left for San Francisco ______ in Los Angeles.A. by stayingB. that stayC. than have stayedD. to stay6、_______ you rather sit by the window. A. Don’t B. Will C. Wouldn’t D. Won’t答案：A ADCCC9、Dr Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people.袁博士从梦中醒来,希望能种植一种可以养活更多人的水稻;with the hope of…抱着…的希望They went to south Pacific with the hope of finding some new plants.他们去南太平洋希望找到一些新植物;With the hope of recovery, she tried to live happily. 抱着康复的希望,她尽量愉快的生活;联想扩展：in the hope of 希望能We got up early in the morning in the hope of catching the first bus.我们早早起床,希望能赶上第一班车;特别提示：“with the hope of…抱着…的希望”一般表示客观希望；而in the hope of一般表示主观希望;即时活用：____ and no way to reduce her pain and suffering from the terrible disease, the patient soughther doctor’s help to end her life. A. Having given up hope of cure B. With no hope for cure C. Therebeing hope for cure D. In the hope of cure答案：B10、These chemicals in the food supply build up in people’s bodies over time.经过很长时间,食物中所提供的化学物质会在人的体内聚集;build up1 建设起来；发展起来He has built up a good business over the years. 几年下来他的生意发展的很不错了;We have achieved great successes in the cause of building up our country.在建设我们国家的过程中我们取得了很多成功;2 加强；增强You must build up your strength again. 你应该加强你的力量;Good food builds up the body. 好食品能使身体健康;3 积累；积聚We first have to build up some experience. 首先我们应该积累一些经验;China has built up enough money to cope with the economic crisis.中国已经聚集了足够的经济以对以经济危机;4 逐步增加The clouds are building up. 乌云在聚积;The noise built up ti ll Mary couldn’t stand it any longer. 声音越来越大知道玛丽再也受不了;即时活用：1、Students should play more on the playground to ______ up their bodies.A. hold B. get C. keep D. build 答案：D2、----I felt very bad these days . ------ Oh, you should ______ your body.A. build upB. look atC. thinkD. take care 答案：A11、They focus on keeping their soil rich and free of disease. 他们把注意力集中在保持土壤肥沃且免受病害;focus on 用法归纳：1对准；把光线集中在…Focus the light on the object while I am taking a photo of it.我拍照时把光线集中在物体上;The scientist focused the telescope on the moon. 那个科学家把望远镜对准月球;2把…集中在…上You should focus your attention on your study. 你应该把注意力集中在学习上;All eyes were focused on her. 所有眼睛都集中在她身上;12、They focus on keeping their soil rich and free of disease. 他们把注意力集中在保持土壤肥沃且免受病害;free of 用法归纳：1没有；免受；免交 The old couple are now free of burden. 那对老年人现在没有负担;If your salary is under 1600 Yuan one month, you are free of income tax.如果你每月工资低于1600元,你就可以免交个人所得税;2远离；离开 When I am tired, I can be free of noisy city. 退休后,我就可以远离喧闹的城市;We will be free of school in three months. 三个月后我们就能离开学校了;特别提示: free of还可以作短语动词,表示“使摆脱”;The housewife opened the window to free the room of smoke.主妇打开窗子让房子里的烟跑一跑;13、This also keeps the air, soil, water and crops free from chemicals.这还可使空气、土壤、水和作物不受化学物质污染;keep…free f rom / of 使免受…Keep these vegetables free from poison. 使这些蔬菜别受毒物污染;Society should keep children free from bad effects.社会应该使孩子们免受坏的影响;联想扩展：1free… from… 把…从…中解脱出来Teachers should free students from heavy studies. 老师应该把学生从繁重的学习中解脱出来;You should free me from housework. 你应该让我从家务中解脱出来;2be free from…无…的；免予…的This sentence is free from mistake. 这个句子没错误; I am free from disease. 我没病;即时活用：--- What about the protection --- Let’s keep the surface ______ dirty by putting a cover over it .A. far fromB. free fromC. apart fromD. away from 答案：B14、He was lost in thought. 他陷入深思;be lost in用法归纳：1消失在…中 The thief ran away and was lost in the crow. 小偷逃跑了并且消失在人群中;The snowflakes were soon lost in the water. 雪花很快消失在水中;2陷入…；被…所吸引The student was lost in thought. 那个学生陷入深思; The boy was lost in the book. 男孩被书深深的吸引;3迷路 They must be lost in the forest. 他们肯定在森林中迷路了;It is very easy for a stranger to get lost in Shanghai. 陌生人在上海很容易迷路;即时活用：_____ in thought , he almost ran into the car in front of him .A. LosingB. Having lostC. LostD. To lose 答案：C15、He studied ways of keeping seeds and advised farmers to choose seed-heads which had the best color. 他研究保存种子的办法并且建议农民们挑选颜色最好的穗株;advise vt. & vi. 建议；劝告；出主意用法归纳：1跟名词或代词They advised an early start tomorrow. 他们建议明天早点出发;We have to stay here, can I advise it 我们必须呆在这里,我能这样建议吗2advise sb. not to do sth. 建议某人别做某事Can you advise me where to stay when I was in Xi’an 你能建议我在西安时住在哪里吗What would you advise me to do next 你建议我下来做什么3跟动名词He advised staying at home at night. 他建议晚上呆在家里; We advised his studying abroad. 我们建议他去国外学习;4跟从句The teacher advised that he pay more attention to his spelling.老师建议他多注意拼写;They advised that I should give up my idea. 他们建议我放弃我的想法;特别提示：一坚持：insist 二命令：order, command 三建议：advise, suggest, propose 四要求：ask, demand, require, request 后跟宾语从句时,宾语从句的谓语要用should +动词原形,should可以省略;另外,以上词作名词时,其后的表语从句或同位语从句的谓语也要用虚拟语气;规定同上;联想扩展：advise against 劝…不要 advise on 就…出主意advisable adj. 明智的；可取的advisedly adv.有意的；经过考虑的即时活用：1、We are ________ by doctors to eat more natural food and take plenty of physical exercises.A. suggestedB. warned ofC. informedD. advised2、Jack should have taken the doctor’s advice that he ______in bed for a couple of days. A. would lieB. lieC. must lieD. lay3、I advise you at once.A．to do your homework B．do your homeworks C．doing your homework D．did your homeworks4、I advise you water that isn’t boiled any more. A．to drink B．not to drink C．to not drink D．drinking5、I advise the person ______ to ______ put into prison.A. referring; beB. referred; beC. refers; beD. referred; being 答案：DBABB16、The next spring the seeds should be knocked out of their seed-heads and planted.第二年春天把种子从穗株中敲出来;knock + O + OC 用法归纳：1 knock + O +形容词The car knocked him senseless. 车把他撞昏了;His heavy blow knocked me dumbfounded. 他重重的一拳打得我不知所措;2 knock + O + 副词Let me knock the dust off. 我来把灰尘掸掉; Please knock the ball up. 把球打起来;3 knock + O +介词短语He knocked the dish off the table.他把盘子从桌子上撞下来了;I knocked my knee against the chair. 我把膝盖撞到椅子;联想扩展：knock about 旅行 knock back 花费掉；使吃惊 knock off下班；减价 knock out 击败；摧毁knock over 打翻 knock up敲门叫醒；使疲惫不堪易混辨析：strike , hit , beat , knock打,击strike打一下,打若干下；打动,使着迷;hit 打中；对准…打；敲打或打击对方某一点；碰撞;beat连续性的打击；殴打或体罚；在游戏、竞赛、战争中击败对方；心跳；风雨击打; knock撞击；敲；打即时活用：1、Unluckily, his mother was______ by a passing car while crossing the street.A. knocked atB. knocked onC. knocked downD. knocked over2、The old man ______ in the country for many years. A. knocked over B. knocked on C. knocked at D. knockedabout3、She ______ another match and in the light she made her way without making any noise.A. hitB. beatC. knockedD. struck 答案：CDD17、Then he gave advice on turning over the soil. 然后,关于翻地他也给了建议;give advice to sb. on sth. /on how to do sth. = give sb.advice on sth. / on how to do sth. 在某方面/做某事给某人建议Who can give me some advice on the matter 在这个问题上谁能给我一些建议Our English teacher often gives us advice on how to learn English.我们英语老师常常给我们一些怎样学习英语的建议;特别提示：advice为不可数名词;表示“一条建议”用a piece of advice;表示“一些建议”用 some / much advice;即时活用：1、Thank you for giving me ______ advice, but it is difficult______ me to carry it out.A. so good; forB. such a good; ofC. such good; forD. such good; of 答案：C2、– Did you have a good time --- Wonderful. You really gave me some excellent advice _______ the best places to visit.A. inB. onC. aboveD. over 答案：B。
高一英语新课标必修4unit2知识点解析
spread
“传播;蔓延〞 如:传播(疾病),散布
stretch
“伸展〞
3.a piece of equipmen一t 件设备
equipped
adj.准备好的，装备好的
equip sth.with sth. 用……配备/装备……
equip sb.for sth 为……而装备
4.build up their confidence 增强自信
the (great) need for sth/doing as (1)当.....时 (2)作为 (3)如，像
11. At that time, hunger was a disturbing problem in many parts of the countryside. hunger (1) un. 饥饿，饥荒 cn.渴望
十年；十年期 n.
特级的；超级的 adj. 混合的；杂种的 adj. 混血儿 产量；输出n. 〔植物的〕品种；种类n. 庄稼；农作物；产量n. 饥饿；欲望n. (使)饥饿vt. & 引起烦恼的；令人不安的adj. 使变大；伸展vt. & vi. 循环；流传vt. & vi.
• Vietnam[,vjet'næ m] • thanks to • battle • rid • rid… of • be satisfied with • freedom • would rather • therefore • equip -- equipped • △sorghum • grain • △peanut['pi:nʌt] • export
strain cn.品种，种族 crop cn.农作物，收获量，收成，平头 vt.剪短，种植 gather/ harvest a crop 收割/收获农作物 the rice crop 稻米的收成 the crops 全部收获
人教版高中英语选择性必修第四册 Unit 2 Iconic Attractions 单元重点小结
immigrants. 2.I was convinced
(convince) that I could never make a musical
sound with this instrument!
3. Located
(locate) to the south of the equator,below many other
把……叫作…… 等不及做某事 主修…… 另一方面 导致;促成 除……以外(还);与……同样地 原产于…… 与……有联系
9. make up 10. play a part in... 11. personally speaking 12. agree with 13. a flock of 14. a handful of 15. at birth 16. find one’s way to/into
n.样本;样品
21. distribution
n.分布;分配;分发
22. temporary
adj.暂时的;短暂的
23. phase n.阶段;时期
24. licensed adj.得到正式许可的
25. session
n.一场;一段时间;会议
26. frequency
n.发生率;重复率;(声波或电磁波振动的)频率
n.标语;口号
15. entitle
vt.给……命名(或题名);使享有权利
16. dive
vi.& n.潜水;跳水;俯冲
17. freedom
n.自由;不受……影响的状态
18. sponsor
vt.倡议;赞助;主办 n.(法案等的) 倡议者;赞助者
19. liberty
n.自由
必修4-Unit 2 课文重点句式及语法填空
Now more than 60% of the rice 5. produced （produce）in China each year is from this hybrid strain.
◆教材原句
Have you ever grown any plants? If so，what did you do to grow them?
你曾种植过植物吗？如果种过not 如果不是这样的话（与if so 意义相反）
if necessary 如果有必要
and aroused my interest in foreign culture. （4）［2019·北京卷］ What students do at college seems to matter much more than where they
go. （5）［词汇复现］This is what he intends to do.
if any 如果有的话
if possible 如果可能的话
if ever 如果曾经有的话
高中英语 必修4 Unit 2 Working the land
◆单句写作 （1） It sounds like something is wrong with the car’s engine. __I_f_s_o___（如果这样的话），we’d better take it to the garage. （2） If possible （如果可能的话），we’d better sit in the shade of a tall tree. （3） Correct the errors in the following sentences， if any （如果有的话）. （4）［词汇复现］Are you tired? If not （如果不累的话），let’s carry on our work.
高中英语人教必修四unit2单词,短语,重点句型梳理
Unit 2重点单词、短语、句型梳理重点单词●●equip【课文原句】He therefore gives millions of yuan to equip others for their research in agriculture. (Page 10)【点拨】equip v. 意为"配备；装备"。
如:You’d better equip your bicycle with a headlight.Your education will equip you to earn a good living.【拓展】equipment n. 设备；设施；器材。
如:A good sleeping bag is a necessary part of every camper’s equipment.【小试牛刀】将下列句子翻译成中文。
1. 我们应该用新技能来武装自己以面对未来的挑战。
____________________________________________________________2. 我们的父母竭尽全力为我们提供良好的教育条件。
____________________________________________________________Key:1. We should equip ourselves with new skills to meet the challenge in the future.2. Our parents try their best to equip us with good education conditions.●●battle【课文原句】... the UN has more tools in the battle to rid the world of hunger. (Page 10)【点拨】battle n. 意为"战役；战斗"。
Unit2 知识点总结 人教高中英语必修四
Unit 2 Working the land知识点总结要点梳理1. If so句式if so如果这样if not如果不是这样if necessary.如果必要的话if any如果有的话或即使有的话if ever如果曾经有过或即使有过的话if possible如果可能的话2.struggle (vi.)& (n.)struggle with/against与……斗争struggle for努力争取……；为……而斗争struggle to one’s feet挣扎着站起来struggle to do sth.努力做某事3.hunger(n.)饥饿；欲望；渴望&(v.)（使）饥饿；渴望hungry adjbe hungry for…渴望得到……go hungry吃不饱；挨饿hunger to do sth.渴望做某事disturbing adj 令人不安的disturb v disturbed adj4. expand (vt.&vi.)使变大；伸展e xpand… into…把……扩展/发展成……5. rid… of …使……摆脱/除去……cure sb. of sth.医好某人的病be/get rid of…摆脱rid oneself of…从……解脱rob sb. of sth.抢劫某人某物warn sb. of sth.警告某人某事remind sb. of sth.提醒某人某事inform sb. of sth.通知某人某事4.be satisfied with对……满意=be pleased/content with to one’s satisfaction使某人满意的是With satisfaction满意地satisfying(adj.)令人满意的satisfaction(n.)满意；满足satisfactory(adj.)令人满意的freedom n 自由free adj 自由的v 释放freely adv6. would rather宁愿；宁可would rather(not) do sth.宁愿（不）做某事would do sth. rather than do sth.=would rather do sth. than do宁愿做某事（而）不愿做某事would rather+从句（句子需用虚拟语气）7. Therefore(adv.)因此；所以；因而用在句首，其后要有逗号Therefore, we must learn English well.用在两个分句之间，即一个句子的一部分表示原因因而另一部分表示结果时，一般其前要用分号；若第二个分句前是逗号或无符号，则要注意前加andE.g. I had a headache; therefore I could not go to your party.I was ill, and therefore could not go therefore.8.equip (vt.&vi.)配备；装备e quip…with…用……装备……be equipped with装备；配备equipment(n.) U设备；装备 a piece of equipment一件设备office equipment办公室设备export v 出口import v 进口nationality n国籍nation n 国家，民族national adj 国家的，民族的Occupation n 职业occupy v 占据9. die from死于……die of/from死于……die away逐渐消失die down逐渐转弱die off相继死去die out灭绝，消失die for为……牺牲10.in need of in( great)need of （非常）需要（后常跟名词）in need 需要in memory of为了纪念……,in praise of为了表扬……in case of如果，即使in favor of赞成in honor of为纪念/庆祝……in face of面对11. confuse(vt.)使迷惑；使为难confused adj confusing adjconfuse A with/and B把A与B混淆be confused about sth.对……感到困惑be/get confused by sth.被……搞糊涂12.regret(vt.)遗憾；惋惜&(n.)遗憾；懊悔regretful(adj.)遗憾的；后悔的regret doing sth.后悔做了某事regret to say/inform that…遗憾地说/告知……regret that从句遗憾……with great/deep regret很遗憾to one’s regret=to the regret of sb.让某人感到遗憾的是13. build up逐渐增加；建立；开发build up a fame建立名声build up one’s health/body增进健康build up one’s strength（增强体力）14.lead to导致；造成（后果）；通向lead sb.to a place引导某人去某个地方lead a …life过……的生活Lead sb to do= lead to sb’s doing 导致某人做。
高中英语必修四第二单元
B4 unit2一．重点单词1. hunger(n.& v．)饥饿，欲望；(使)饥饿【拓展】hungry adj.饥饿的；渴望的If crops are destroyed, thousands of people may go hungry.2. sunburnt (adj.) 晒黑的3. expand (vt.& vi.) 伸展，使变大【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【辨析】expand, extend, spread, stretch4. freedom (n.) 自主，自由5. export (vt.& vi.) 输出，出口6. chemical (adj.) 化学的【常用搭配】the chemical industry化学工业chemical weapon化学武器【拓展】chemist n.药剂师；化学家chemistry n. 化学chemistry teacher化学老师7. confuse (vt.) 使迷惑，使为难(1)confuse A and (with)B把A和B混淆了be/get confused with…对…感到困惑confused adj.迷乱的，感到迷惑的confusing adj.难以理解的，不清楚的，莫名其妙的(2)confuse指“使……混乱，糊涂”，强调使人混淆而迷乱。
puzzle是“使……迷惑”，多指某一复杂的事件或困难的问题“使……迷惑”。
8. mineral (n.) 矿物，矿石9. reduce (vt.) 减少，减缩【拓展】(常用于被动语态)(1)reduce ...减少到… reduce ...减少了……(2)reduction n．缩小；减少make a reduction减价10. level (n.) 水平，程度11. whatever (adv.) 无论什么12. summary (n.) 摘要，总结，概要13. exchange (v.) 交换14. certain (adj.) 确定的15. output (n.) 产量，输出16. circulate (vt.& vi.) 循环，流传【常用搭配】circulate about在…附近流传circulate among在…中流传【拓展】circulation n. 流通；循环；发行量in circulation 在流通；在运行out of circulation（书、货币等）不再发行put…into circulation使…流通（发行）17. struggle (vt.& vi.) 斗争；拼搏，努力【常用搭配】struggle for sth. 为争取…而斗争/奋struggle against为反对….而斗争struggle to do sth.努力做某事struggle to one’s feet挣扎着站起来18. grain (n.) 谷物，粮食，颗粒(adj.) 合适的(vt.& vi.) 装备，配备(1)be equipped with...＝equip...with...用……装备……equip ...在……上装备某物to be specially equipped装备独特equip ...使某人具有… be well/poorly equipped装备精良地/差地(2)equipment n．[U]设备，器材a useful piece of equipment for...一件有用的……设备\21. super adj. 特级的；超级的；极好的【拓展】super star 超级明星super model超级模特super power超级大国22. regret vt.遗憾；惋惜n．遗憾；懊悔【常用搭配】(1)regret doing sth.后悔做了某事regret to do sth.(常和tell，say，inform等词连用)对将要做某事表示遗憾regret that... 遗憾……(2)with great/deep regret很遗憾（much）to one’s regret让某人感到(很)遗憾的是It is to be regretted that... 使人遗憾的是……【拓展】remember to do sth.记得去做某事remember doing sth记得做过某事mean to do sth. 打算做某事mean doing sth.意味着做某事try to do sth. 尽力做某事try doing sth. 试着做某事n. 生产；产量；制造【常用搭配】production costs/process 生产成本/过程go into (full) production 开始（大量）生产/投产【辨析】production, product, produceproduction作不可数名词时指生产过程，通常是在人的帮助下或在工厂中进行；作可数名词时指供剧院、电视台或广播台等上演或播放的戏剧、电影等。
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高中英语必修四第二单元重点、难点Unit Two Working the land1、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，他那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体就跟过去五十年他一直在帮助的千百万的中国农民一样。
完成时态的时间表达：（1）for + 段时间多长时间以来（2）before 以前（3）since + 时间点自从什么时间since +时间段+ago 自从多长时间以前since +从句自从…since then 从那以后（4）recently ; lately; in recent +时间最近；最近多长时间（5）so far; by far; up till now; by now 到现在为止（6）by the en d of… / by the time… 到…时间结尾（7）in / during / for the past / last + 时间段在过去的多长时间里特别提示：（1）如果句子中有以上时间，句子一般要用完成时。
（2）before后不能跟时间；否则句子用过去时态。
（3）by the end of… / by the time…多用于过去完成时或将来完成时。
即时活用：1、________ several years he has been working like this. A. In B. After C. For D. Since2、The heavy rainfall has caused vegetable prices to rise daily ______ the last two months. A. by B. since C. for D. with3、–Where does Mr Zhang live? --- He has been on the island ________the end of the Long March. A. since B. by C. in D. at4、I have been in London twice ______ 1965. A. in B. since C. during D. when 答案：C C A B2、Dr. Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士寻找一种在不扩大土地面积的情况下增加收成的办法。
search vt. 搜查The guards searched the house carefully. 警卫仔细搜查了整个房子。
They searched the woods for the lost boy. 他们搜查整个森林寻找丢失的小孩。
联想扩展：（1）search for寻找What are you searching for? 你在找什么？（2）search one’s heart 扪心自问I often search my heart if I am a competent teacher. 我常扪心自问我是不是一个称职的老师。
（3）in search of 寻找We started at once in search of something to eat. 我们立刻开始寻找可吃的东西。
3、Dr. Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士寻找一种在不扩大土地面积的情况下增加收成的办法。
expand vi. & vt. 用法归纳：（1）膨胀；扩大 A tyre expands when you pump air into it. 给轮胎充气轮胎会鼓起来的。
Xi’an is expanding in all directions. 西安正在向四周扩大。
（2）加大；使膨胀Heat expands metal. 热使金属膨胀。
He has expanded his business. 他把生意扩大了。
联想扩展：expand on 细说；阐述Let me expand on my idea. 我来阐述一下我的观点。
4、Dr. Yuan is now circulating his knowledge in India, Vietnam and many other less developed countries to increase their harvest.袁博士正在把他的知识用在像印度、越南这些不发达的国家以便于增加它们水稻的产量。
circulate vi. & vt.用法归纳：（1）循环；流通Blood circulates in the body. 血液在体内循环。
It does good to a country’s economy if money circulates. 钱流动对国家经济有好处。
（2）传播；流传Bad news circulates quickly. 坏消息传播的很快。
Some people like to circulate false news. 有些人喜欢传播假消息。
联想扩展：circulation n. 循环；传播；发行量5、Thanks to his research, 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战斗中又多了些方法。
thanks to 幸亏；多亏；由于Thanks to the ill ness, I didn’t take that flight. 多亏生病，我没乘坐那次航班。
Thanks to the teacher’s help, I’ve made some progress with my English.由于老师帮助，我的英语取得了一些进步。
联想扩展：下列词组中的to为介词look forward to 期望see to 处理；修理be / get used to 习惯于pay attention to 注意get down to 开始认真做lead to 导致devote…to 贡献stick to 坚持；遵循object to 反对pr efer doing… to 喜欢…胜过于get around to 找时间做… live up to 不辜负refer to 指的是；适用于belong to 属于compare…to…把…比作turn to 转向；求助于add to 增加due to 由于；归功于be addicted to 沉迷于adapt to 适应agree to 同意be subject to 受…约束owe to 归功于thanks to 幸亏；由于lose heart to 喜欢tend to 倾向于urge to 促使采取take to喜欢be accustomed to 习惯于即时活用：I usually enjoy his film, but the latest one ____.A. didn’t come up to my expectationB. didn’t turn out beyond expectationC. didn’t live up to my hopeD. doesn’t come up to our expectation 答案：C6、Using his hybrid rice, farmers are producing harvests twice as large as before.用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。
倍数表达法(1) 倍数（百分数）+ 形容词比较级+ than + 比较对象增加…倍This room is three times bigger than that one. 这个房子比那个房子大三倍。
(2) 倍数+ as +形容词原形+ as + 比较对象是…的几倍This room is three times as big as that one. 这个房子是那个房子的三倍。
(3) 倍数+ up on +比较对象增加…倍The number of students in our school now is 200% up on that of last year.我们学校现在的学生数量比去年增加了两倍。
(4) 倍数+ over +比较对象增加…倍The number of students in our school now is 200% over that of last year.我们学校现在的学生数量比去年增加了两倍。
(5) 倍数+ the + 名词+ of +比较对象是…的几倍This bridge is three times the length of that one. 这座桥的长度是那座桥的三倍。
即时活用：1、Some parts in South China have experienced______ this year as they did last year.A. twice as much rainB. rain twice as muchC. as twice much rainD. twice rain as much2、My glasses cost me ______ the lost pair that I bought.A. times threeB. three times more thanC. three times as much asD. as much three times as3、– Do you regret paying fifty dollars for the dog? --- No, I would gladly have paid ____ for him.A. as much twiceB. twice so muchC. much twiceD. twice as much4、Now the city is ______ it used to be.A. three times as large asB. three time larger asC. larger as three times asD. as three times larger than 答案：ACDA7、Thanks to his research, 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战斗中又多了些方法。