人教版必修四unit2知识点.doc

Unit2 Working the land. 常考单词必背1strugglevt.&vi. 斗争；拼搏；努力The old man has been struggling with/against illness.这位老人一直在与病魔作斗争。快速闪记struggle with sb 与某人搏斗；斗争struggle against 为抵抗而斗争(搏斗，抗争)struggle for 为努力(斗争)struggle to ones feet 挣扎(努力)站起来struggle to do sth 努力做某事2disturbingadj. 引起烦恼的；令人不安的It is very disturbing that we havent seen him for a long time.好长时间没见到他，这令我们深感不安。快速闪记disturbvt. 打扰；弄乱；使不安disturbedadj. 心神不宁的；担心的3.expandvt.&vi. 使变大；伸展They tried their best to expand the little firm into a big company；that is，the little firm expanded into a big company.他们尽力把这家小公司发展成了一家大公司；也就是说，这家小公司发展成了一家大公司。快速闪记(1)o. 把扩展/发展成expand into. 发展成/扩大成(2)expansionn. 扩大，膨胀4ridvt. 摆脱；除去Its not easy to rid oneself of a habit.要改掉一个习惯是不容易的。快速闪记rid.of. 摆脱；除去get/be rid of 摆脱；除去；处理掉5equipvt.&vi.配备；装备A good education should equip you for life.良好的教育能使你受用终生。快速闪记(1)equip sb/sth with 用武装某人；用装备某物equip sb/sth for 为而武装某人；为而装备某物be equipped with 配备有(2)equipmentn.装备；设备6confusevt. 使迷惑；使为难He was really confused about the confusing result of the election.这个令人困惑的选举结果让他非常困惑。快速闪记(1)confuse A with B把A和B混淆be confused about sth 对感到困惑(2) confusedadj. 糊涂的；困惑的；混乱的confusingadj. 令人困惑的；难以理解的confusionn. 混淆；困惑7.regretvt. 遗憾；惋惜n.遗憾；懊悔Tom regretted telling his parents the thing.汤姆后悔告诉了父母那件事。快速闪记(1)regret doing.regret having done. 后悔做了某事regret to say/tell/inform.遗憾地说/告诉/通知(2)to ones regret 令某人感到遗憾的是with regret遗憾地8.focusn.焦点；中心点vt. 集中；聚集She was the focus of everyones attention.她是大家注意的焦点。We need to focus upon the main issues.我们需要把注意力集中在那些主要问题上。快速闪记focus on 集中(注意力、精力等)于9.reducevt. 减少；减缩Giving up smoking can reduce the risk of heart disease.戒烟会减少患心脏病的风险。快速闪记reduce to. 减少到(increase to.增加到)reduce by. 减少了(increase by.增加了)be reduced to. 沦落为(to为介词)10commentn.评论；议论vi.&vt. 表达意见；作出评论People were commenting on her gifts and abilities.人们在评论她的天资和能力。快速闪记comment onmake comments onmake a comment on 就发表看法/评论. 高频短语必会1thanks to 幸亏；由于；因为Thanks to your timely help，I got rid of him smoothly.多亏你及时的帮助，我顺利地摆脱了他。快速闪记thanks to，because of，owing to和due to 都是短语介词，都有“由于，因为”的意思，后面都接名词词组构成介词短语。2be satisfied with对感到满意I am quite satisfied with the present situation.我对现状很满意。快速闪记be satisfied to do. 对做感到满意satisfy/meet ones demand 满足某人的要求3would rather宁愿；宁可I would rather have gone to Brazil，but I was busy then.我本来可以去巴西，但是当时我忙着。To my anger，he would rather stay at home than go out for a walk.让我感到生气的是，他宁愿待在家也不愿出去散步。快速闪记would rather do sth 宁愿做would rather not do sth 宁愿不做would rather have done sth 本来想做would rather do sth than do sth/would do sth rather than do sth 宁愿也不would rather从句 (使用过去式或过去完成式)4lead to导致；造成(后果)All roads lead to Rome.条条道路通罗马。快速闪记result in 导致；致使contribute to 导致；促使5keep.free from/of使免受(影响；伤害等)；使不含(有害物)We should keep our city free from/of noise.我们应该使我们的城市免受噪音的影响。快速闪记(be) free from/of 没有；不受损害free.from 把从释放出来；使摆脱. 写作句式必学1Have you ever grown any plants？If so，what did you do to grow them?If not，what kind of plant would you like to try growing?你种过植物吗？如果种过的话，你是怎样种植的？如果没有种过的话，你想要尝试种什么植物？2More than 800 million peoplego to bed hungryevery day.每天，有超过8亿人饿着肚子睡觉。3Yuan Longping growswhat is calledsuper hybrid rice.袁隆平种植的是被称之为“超级杂交水稻”的稻种。4This special strain of ricemakes it possible to produce20% 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五分之一的粮食。5Using his hybrid rice，farmers are producing harveststwice 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。. 短文语法填空，然后背诵短文，熟记本单元的重点词汇。A New Farming WayTuan was a farmer inVietnam. Fordecades，he had beenstrugglingtoridhis family of _1_(hungry)However，it alwaysconfused him how toexpandtheoutputof hiscrops. This _2_(disturb) problemled tohisregretting being a farmer. Hewould rather_3_(choose) another job.One day，whenskimming through a newspaper，Tuan read acommenton Yuan Longping.Heunderlined Yuansnationalityandoccupation，and then _4_(focus)onhisdiscoveryand thestatistics of his research. He found the knowledge Yuancirculated very practical.Therefore，he made asummaryand began tobuild up_5_ new farming method. He plantedsuper grainof richnutritionandequipped _6_(he) to keep his cropsroots free frombacteriaandpests. He also enriched _7_(mineral) in thesoilwhilereducing chemical fertilizers. Though it cost him _8_(much) time andfreedom，he was full of hope.The next year，Tuan wassunburntbutsatisf