英语必修一Unit4单词讲解.ppt

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1、Unit4 Earthquakes,earthquake n.地震Eg:It is reported that an earthquake broke out last night in Southeast Asia.right away 立刻;马上同义词:right now=straight away=at once=in no time=immediately注意:right now除表示“立刻,马上”之外,还表示“现在,此刻”,比now的语气强,相当于at this moment,at present,用于进行时。,well n.井Eg:A book is a well of knowl

2、edge.adj.健康的Eg:I hope you will get well soon.adv.熟练地,有效地Eg:He plays the piano very well for his age.,smelly adj.有臭味的,发臭的Eg:His socks are smelly.拓展:blood bloody cloud cloudyrain rainy greed greedy词根:smell 可用作系动词或实义动词,用作系动词时,意为“闻起来”;用作实义动词时意为“闻”Eg:You may smell the mixture and it smells terrible.,bloo

3、d+-y=bloody rain+-y=rainy cloud+-y=cloudy wind+-y=windy snow+-y=snowy greed+-y=greedy dream+-y=dreamy taste+-y=tasty ice+-y=icy fat+-y=fatty mud+-y=muddy fog+-y=foggy sun+-y=sunny,流血的,多云的,下雪的,幻想的,冷漠的,冰的,泥泞的,肥胖的,下雨的,多风的,贪婪的,美味的,阳光灿烂的,有雾的,burstv.(使)爆裂;(使)破裂;(使)爆炸Eg:You are going to burst the balloon i

4、f you are not careful.The balloon suddenly burst.v.猛冲;突然出现Eg:He burst into the room without knocking.burst into+n.=burst out doing sth.突然起来 eg:burst into laughter=burst out laughing,eg:她突然笑起来。She burst out laughing.She burst into.他突然大哭起来。He burst out crying.He burst into.n.突然爆裂,爆发短语:a burst of 一阵eg:

5、一阵笑声,laughter,tears,a burst of laughter,勃然大怒,a burst of anger,burst into,burst with,闯入,充满,event n.(1)C(尤指涉及几个人的)事件,大事Eg:That was an important historical event.(2)C(体育比赛等的)项目,赛事Eg:The Olympic Games are important events in the sports world.,4.at an end 结束,终结eg:炎热的天气终于结束了。The hot days are at last at an

6、 end.The hot days come to an end at last.be at an end=come to an end 结束短语:put an end to=bringto an end 使结束eg:他们应该结束战争。They should put an end to the war.They should bring the war to an end.辨析:at an end,in the end,at the end of,by the end of,1).at an end:表示“终结,结束”,与be动词连用。eg:战争结束了。The war was at an en

7、d.=The war came to an end.2).in the end:表示“最终,终于”,单独使用作状语。eg:最终他们放弃了那项计划。They gave up the plan in the end.(at last)3).at the end of:表示“在的尽头/末尾”eg:今年年底,我父亲要回家。My father will come home at the end of this year.He is at the end of his patience.他已经忍耐到极限了。,4).by the end of:到末为止,常与完成时态连用。by the end of last

8、用于过去完成时 by the end of next用于将来完成时eg:到上个月末为止,他在那条船上已经待了两年。By the end of last month,he had been on that ship for two years.到下学期末为止,我将学会3000多个英语单词。I will have learned more than 3000 English words by the end of next term.,5.nation n.民族,国家,国民单词积累:national adj.国家的,民族的,国营的 nationality n.国籍辨析:nation,country

9、,state,侧重指“人民”,即“国民”,The whole nation was in deep sorrow.举国悲痛。,侧重指“疆土”,即“国土”。,He has been to many African countries.他去过许多非洲国家。,侧重指“政权”“政体”,即“国权”,Hes a head of state.他是一位国家元首。,ruin(1)n.U 毁坏;毁灭;灭亡Eg:The war brought ruin to the country.(2)n.倒塌的建筑物,废墟Eg:The castle now lies in ruins.注意:ruin表示“废墟,遗迹”,常用复数

10、,常构成in ruins,意为“严重受损,破败不堪”,强调状态,常用作表语或状语。(3)v.(完全地)毁坏,毁掉;使破产Eg:I was ruined by that law case.,拓展:be in ruins 呈一片废墟 bring sth to ruin 使某物毁灭 bring sb to ruin 使某人破产 suffering n.U 疼痛,痛苦,折磨,苦难 eg:Death finally brought an end to her suffering.注意:sufferings 表示“痛苦,苦恼”eg:The hospital aims to ease the sufferi

11、ngs of the dying.,extreme(1)adj.极度(大)的;严重的;极端的;过分的Eg:extreme weather conditions 极端恶劣的天气情况 extreme sports 极限运动(2)n.C 完全相反的事物;极端,极度,极限Eg:extremes of cold,wind or rain 严寒,狂风,骤雨拓展:go to extremes 走极端,指损害健康,成就,容貌等,强调功能的丧失,常指事故中的伤害,普通用语,既可指肉体上的伤害,也可指精神上,感情上的伤害,指枪伤,刀伤,刺伤等皮肉之伤,尤指战场上所受的伤,一般指伤害有生命的东西,常指伤及人的健康,

12、权利,事业等,A bullet injured his left eye.一颗子弹伤了他的左眼。,I dont want to hurt you.我不想伤害你。,The soldier was wounded badly.这位士兵严重受伤。,Smoking seriously harmed his health.吸烟严重地损害了他的健康。,track(1)n.C 足迹,踪迹;轨道,跑道Eg:We followed the bears tracks in the snow.(2)vt.跟踪,追踪Eg:We continued tracking the plane on our radar.拓展:

13、keep track of 记录;掌握的线索useless adj.无用的,无效的,无价值的Eg:He knew it was useless to protest.固定句式:It is useless(no use)doing sth 做某事是无用的,shock(1)v.使震惊;使惊愕;使难以置信搭配:be shocked at 对感到震惊 be shocked to do sth 惧怕做某事 eg:The murder of such a young child deeply shocked the whole community.(2)v.(使)愤慨,(使)生气 eg:Just igno

14、re all their bad language they only do it to shock.(3)n.令人震惊的(情况,消息)搭配:be a shock to sb 对某人来说是一个打击 eg:It was a real shock to hear that the factory would have to close.,shocked adj.惊愕的,感到震惊的 shocking adj.令人震惊的 rescue(1)n.C,U 救援,营救;救援行动 eg:The rescue team made ten rescues in a week.(2)vt.救援,拯救,解救 搭配:r

15、escue sb/sth from 把从(地方)解救出来 eg:They rescued the boy from the burning house.,a rescue team 救援队 rescue worker 救援人员 trap(1)vt.(trapped)困住,关住,使陷入危险中 搭配:be trapped in 困在中 eg:The car was trapped in the deep snow.(2)n.C陷阱;困境;圈套,诡计 eg:She had set a trap for him and he had walked straight into it.,electrici

16、ty n.U 电,电力Eg:This machine is run/driven by electricity.拓展:turn on/off electricity 接通/切断电源 electric adj.用电的,电动的 electrical adj.电的,与电有关的 electronic adj.电子的,disaster n.灾难,灾祸Eg:The fire was a great disaster.拓展:a traffic disaster 一起交通事故 natural disaster 自然灾害 a disaster area 灾区dig out(dug)挖出,翻找出Eg:Why di

17、d you dig out those old magazines?,9.bury vt.埋葬,掩埋,隐藏eg:她被安葬在她丈夫的坟边。She was buried beside her husbands grave.她双手捂着脸哭了起来。She buried her face in her hands and cried.短语:bury oneself in=be buried in.专心于,埋首于 bend ones mind/efforts/thoughts to devote oneself to=be devoted to 专心于,献身于 be lost in 陷入中,10.shel

18、ter n.掩蔽,躲避处,避难,保护短语:take shelter from 躲避 vt.&vi.庇护,掩护(常与from搭配使用)意为“保护不受的伤害/侵害”eg:人们在百货商场躲避阵雨。People took shelter from the shower in the department store.那些树木庇护田地不受冷风侵袭。The trees shelter the field from the cold wind.,title(1)n.C 标题,题目Eg:His novel was published under the title of Love and Reason.(2)

19、n.C 职位名称;职称Eg:The official title of the job is“Administrative Assistant”.(3)vt.(给书籍,乐曲等)加标题Eg:Their first album was titled“Ocean Drive”.,11.damage n.&vt.损失,损害eg:Smoking can damage your health.抽烟会损害你的健康。短语:do damage to 对造成损害12.frighten vt.使惊吓,吓唬 frightened adj.受惊的,受恐吓的 frightening adj.令人恐惧的短语:be frig

20、htened at 受惊吓,见大吃一惊 be frightened of sb/sth 害怕某人/某物同义词:shock 近义词:surprise,congratulation n.祝贺;恭贺;贺词搭配:offer/send ones congratulations to sb on sth 因某事向某人表示祝贺Eg:We offered our congratulations to him on his success.congratulate vt.祝贺搭配:congratulate sb on sth 因某事祝贺某人 congratulate oneself on sth/doing s

21、th/that 暗自庆幸Eg:I heartily congratulate myself on having chosen a good woman to be my wife.,judge(1)n.裁判员,评判员;法官;审判员Eg:The judges decision is final.(2)vt.判断;断定;认为Eg:Judging by her letter,they are having a wonderful time.(3)vt.裁判;评判;担任裁判Eg:She was asked to judge the essay competition.judge 是一个重要的动词,尤其要注意它所构成的分词悬垂结构judging from/by,它在句中做独立成分,不受句子主语的影响和限制,表达的意义是说话者的看法或判断。,express vt.表示,表达,表露搭配:express sth 表达/表露 express oneself 表达自己的思想感情 express itself 显而易见,不言自明Eg:Perhaps I have not expressed myself very well.Their pleasure expressed itself in a burst of applause.,

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