大学英语四级词汇市公开课金奖市赛课一等奖课件

1、2. dense dens a.密集，稠密；密度大e.g. It is not proper to build a factory in a district with a dense population.在一个人口稠密地域建工厂是不适当。e.g. The crowd was so dense that we could hardly move.人群密集得让我们几乎无法移动。搭配：a dense population稠密人口 dense traffic 拥挤交通 dense fog 大雾第1页3.density densiti n.密集，稠密；密度e.g. Iron has a greate

2、r density than wood.铁密度比木头密度大。The population density in the city is greater than that in the countryside.城市人口密度比农村人口密度大。搭配：population density人口密度 traffic density交通量 low-density housing低密度住房第2页4.tight tait a. 紧身；紧，牢靠；（时间、经费等）紧；密封adv.紧紧地，牢牢地e.g. These shoes are too tight for me.这双鞋子我穿着太挤脚。搭配：tight dre

3、ss紧身长裙 tight schedule 担心日程 tight security紧密保安办法 tight money 银根紧（经济学术语）扩展：tighten v.（使）变紧，（使）绷紧第3页5.tough a. 困难；坚强；坚韧；强硬，严格；（肉等食物）老，硬；粗暴e.g. You need to be tough to survive in a society full of competition.要在充满竞争社会中生存就要有坚韧不拔意志。搭配：tough plastic坚韧塑胶 tough meat煮硬了嚼不动肉 a tough question/policy棘手问题/强硬政策扩展：

4、toughly ad.坚强地，坚固地，强硬地 toughen v.变硬，变艰难第4页6. rough a.粗糙；粗野；混乱；艰难，不愉快；粗略e.g. Could you give me a rough idea when you will be back?你能告诉我你大约什么时候回来吗？搭配：rough hands 粗糙手 a rough estimate粗略预计 a rough time 艰难时期 be rough on sb./treat sb. rough 对某人粗暴苛刻，欺侮某人 roughly speaking粗略地说，大约地说扩展：roughly ad.粗略，大约地第5页7. h

5、arsh a. 严厉，严酷；刺耳，刺眼e.g. In fairy tales, stepmothers are usually harsh to their stepchildren.在童话故事中，继母对丈夫前妻孩子通常很冷酷。搭配：harsh colors刺眼颜色 harsh discipline 严厉纪律 a harsh climate恶劣气候 a harsh punishment严厉处罚第6页8.rigid a. 严格，死板；刚硬，僵硬e.g. Old men are always very rigid in their ideas.老年人想法总是十分固执。搭配： a rigid pos

6、ture/principle僵硬姿势/ 刻板标准 rigid support/tradition 坚定支持/ 刻板传统第7页9. stiff stif a.硬，僵直；不灵活；拘谨，生硬；艰难，费劲；（风等）强烈 ad.极其，非常；僵硬地e.g. Hemp is a stiff fiber that comes from a plant that grows in both hot and mild climates.大麻是一个硬质纤维，取自一个在酷热气候和温和气候下都能生存植物。搭配：be stiff with cold冻僵 stiff muscles僵直肌肉 be stiff in opin

7、ions立场坚定第8页10. solid a. 固体；实心；坚固；可靠；连续 n.固体e.g. The baby isnt old enough to eat solid foods yet.婴儿还太小，不能吃固体食物。搭配：a solid basis/foundation坚实基础 be solid for/against一致果断同意/反对 solid evidence确凿证据扩展：solidify v. （使）凝固，（使）变硬第9页11. fix fiks vt. 修理；安装；安排，确定；整理； n.困境，窘境e.g. Lets fix (up) a date and place for t

8、he meeting.我们确定下聚会日期和地点吧。短语：fix on决定，确定；使(目光、感情、注意力等)集中于 fix up安排；修理；处理fix to do sth. 决定做某事扩展：fixed a.固定，不动，确定第10页12. bold buld a.勇敢；鲁莽；粗体e.g. The head words in the dictionary are printed in bold type.该词典词条是用黑体字排印。I will be bold and speak the truth.我会大胆说出事实真相。搭配：in bold type用黑/粗体字 a bold action大胆行动第

9、11页13. violent vailnt a.暴力；猛烈，猛烈e.g. She was in a violent temper and began throwing things about.她大发脾气，开始乱扔东西。搭配：a violent storm猛烈风暴 a violent quarrel激烈争吵扩展：violently ad.猛烈地，激烈地 violence n.暴力；猛烈第12页14.fierce fis a.凶猛，残酷；猛烈；急躁e.g. There is so much unemployment that the competition for jobs is fierce.

10、失业情况严重，求职竞争十分激烈。搭配：a fierce wind/storm狂风/暴雨 fierce competition激烈竞争扩展：fiercely ad.猛烈地，厉害地第13页15. extreme ikstri:m a.极度，极端；尽头 n.极端；最大程度e.g. His political ideas are rather extreme. 他政治思想相当极端。 Love and hatred are extremes. 爱与恨是两个极端。短语：go to extremes走极端 in the extreme非常，极其扩展：extremely ad.极端地，非常地第14页16. i

11、ntense intens a.强烈；担心；热情；非常e.g. What struck Wang Zhizhi after he joined the NBA was the intense competition between the players.当王治郅加入NBA后，使他震惊是队员间激烈竞争。搭配：intense life/work担心生活/工作 intense interest/convictions浓厚兴趣/强烈信念扩展：intensely ad.强烈地；激烈地；热情地 intensity n. 强烈，猛烈；强度 intensify v.（使）增强，（使）加剧第15页17. in

12、tensive intensiv a. 加强；集中；密集e.g. Intensive care in hospitals is given to the seriously ill.在医院里危重病人得到加强护理。The problem was solved by intensive research.经过深入研究，问题得到了处理。搭配：make an intensive study of sth. 对某事进行深入研究 intensive training强化训练 intensive care unit (ICU) 重症监护室 intensive reading精读扩展：intensively

13、ad.深入地第16页18. extensive ikstensiv a.广大；广泛；大量e.g. The event received extensive coverage in the newspapers.这次事件得到了报纸广泛报道。搭配：an extensive view辽阔视野 extensive reading泛读 extensive knowledge广博知识第17页19. extend ikstend vt.延伸；扩大；给予vi. 延伸；伸展；延续e.g. They extended the railway to the next town.他们把铁路延伸到了下一个城镇。搭配：e

14、xtend credit提供贷款 extend a warm welcome表示热烈欢迎 extend to/into一直连续，延伸到扩展：extension n.伸出，延伸；扩大；延期 extent n.程度；范围；长度第18页20. expand ikspnd v. 扩大；膨胀；扩展e.g. The Nokia company wants to expand its market in Asia.诺基亚企业想扩大其在亚洲市场。搭配：expand market扩大市场 expand on sth.详述某论点扩展：expansive a. 易膨胀；辽阔 expanse n.辽阔区域第19页21

15、. expansion ikspnn n.扩大；膨胀e.g. The new edition is an expansion of the plan he wrote before.新版本是他以前写剧本扩充。搭配：the expansion of knowledge 知识扩大territorial expansion领土扩张a companys expansion overseas企业向海外发展第20页22. stretch stret vi.伸展，延续vt.拉长，伸展；使倾注全力n.伸展，延伸；延续；一段时间；一段旅程e.g. I stretched to relax after a who

16、le day in front of the computer.在电脑前工作了一整天，我伸了个懒腰放松一下。The desert stretches for hundreds of miles.沙漠绵延数百英里。短语：as a stretch不停地，连续地搭配：at full stretch竭尽全力 stretch for the impossible勉强做那些做不到事情第21页23. diverse daiv:s, div:s a.不一样，相异；各种多样e.g. There are diverse dialects in the Chinese language.汉语有各种不一样方言。搭配：

17、people from diverse cultures来自不一样文化背景人 diverse interests广泛兴趣扩展：diversify v.（使）不一样，（使）变得多样化 diversity n.多样性 divert v.使转向；转移；转移注意力；第22页24. impact impkt n./v.影响，作用；冲击，碰撞e.g. The entry into WTO will have a great impact on China.入世将给中国带来巨大影响。These costs will impact on our profitability.这些成本费用将会影响到我们利润率。搭

18、配：have/make a (great, far-reaching, etc.) impact on对 有/产生（重大，深远等）影响第23页25. influence influns n.影响（力）；有影响人或事；势力，权势 vt.影响e.g. Stars have great influence over their fans.明星们对其崇敬者很有影响力。搭配：have influence on/upon/over sb./sth.对某人/某事有影响（力）under the influence of 在影响下influence sb. to do sth.影响某人做某事扩展：influen

19、tial a.有影响，有权势第24页26. affect fekt v.影响e.g. The slight change of weather can affect her delicate health.她体质弱，天气稍有改变就受到影响。搭配：be affected by受影响 affect ones attitude/thinking/decision 影响某人态度/思想/决定扩展：affection n.喜爱，爱情，喜爱之情第25页27. effect ifekt n.结果，效果；效力；作用 vt.实现，使生效，引发短语：bring/carry/put into effect实施，实现，

20、使 生效 come/go into effect实施，生效in effect 实际上，实质上 take effect生效，起作用注意：effect作动词时并不表示“影响”，而是表示“实现，引发”，如：We have tried our best to effect a reconciliation between the two parties.我们已尽最大努力希望促成双方和解。第26页28. effective ifektiv a.有效，生效，起作用；给人印象深刻；实际，实际上e.g. The government has taken effective measures to reduce

21、 unemployment.政府采取了有效办法以降低失业人数。搭配take effective measures采取有效办法be effective on 对有效应，对起作用扩展：effectively ad.有效地，有力地反 ineffective a.无效；工作效率低第27页29. efficient ifint a. 效率高；有能力e.g. Efficient management is one of the factors which will lower production cost.高效管理是减低生产成本原因之一。搭配：efficient methods经济而有效方法an eff

22、icient worker 能干工作人员be efficient at ones job胜任工作扩展：efficiency n.效能，效率，功效 efficiently ad.有效率地，有效地第28页30. valid vlid a.有依据；有效；有法律效力e.g. Is your passport valid for travel in Europe?你护照在欧洲旅行有效吗？搭配：a valid excuse正当理由a valid contract法律上有效协议a ticket valid for a week使用期为一周票扩展：反 invalid a.法律上不认可，无效第29页31. fr

23、uitful fru:tful a. 多产，富有成效e.g. The anonymous tip proved fruitful, as the suspect was captured. 匿名悬赏取得了成效，因为嫌疑人被抓住了。搭配： a fruitful meeting/discussion富有成效会议/讨论a fruitful writer 多产作家a fruitful mind富有创造力头脑a fruitful career成功事业第30页32. sufficient sfint a. 足够，充分e.g. Nowadays a week is sufficient to travel

24、abroad.如今一个星期足够到国外旅行了。搭配：sufficient food/money/time足够食物/足够钱/充分时间扩展：sufficiency n. 充分，足够，足量反 insufficient a.不够，不足第31页33. adequate dikwit a.足够，充分；胜任，适当e.g. There is adequate rainfall for farming this year.今年农耕有充分雨水。Your work is adequate but Im sure you could do better. 你工作做得不错，不过我必定你还能做得更加好。搭配：be adeq

25、uate to the demand满足需求be adequate to the job能胜任工作使用方法：adequate表示“足够，充分”时，后面被修饰名词通常不是复数名词。第32页34. quantity kwntti n.量，数量e.g. I prefer quality to quantity.比起数量来，我更在意质量。短语： in quantity大量搭配： a large/vast/great quantity of大量 扩展：quality n.质量；品质，品德；性质第33页35. exceed iksi:d vt.超出，胜过e.g. This months amount of

26、 deposits in the bank exceeds last months fifteen percent.该银行本月储蓄额超出上个月15%。搭配：exceed sb./sth. in 在方面超出某人/某 事物exceed ones authority越权exceed ones expectation比某人预料好扩展：exceedingly ad.极其，非常 excess n.过量，过分，无节制；超越；a. 过量，额外，附加 excessive a.过多，过分，过分第34页36. excess ikses, ekses n.过量，过分，无节制；超越；a.过量，额外，附加e.g. You

27、r parcel is too heavy and you must pay the excess postal charge.你邮包超重，你必须付超额邮资。短语：in excess of超出 to excess过分，过分，过量搭配：run/go to excess 走极端 with a large excess of超量第35页37. critical kritikl a.决定性，关键性，危急；批评，批判e.g. Your help was critical for us in the emergency.在那种危急情况下，你帮助对我们来说是很关键。Why are you so critical o