Unit 2 单元单词讲解ppt课件-（2019）新人教版高中英语必修第二册.pptx

1、必修二必修二 unit2 unit2 Words and ExpressionsWords and Expressionsposter pst(r) n. 海报海报;Theyaskedmetodesignaposterforthewildlifeprotection.他们请我为野生动物保护设计一张海报。postillegal adj.不合法的不合法的;非法的非法的;违法的违法的illegally adv.不合法地不合法地Itsillegaltodrivethrougharedlight.开车闯红灯是违章行为。SouthChinatigersareendangeredbecauseofilleg

2、alhunting.华南虎因为非法狩猎导致濒危。hunt vt.&vi.打猎打猎;猎取猎取;搜寻搜寻 I like to spend my time hunting.我喜欢花时间狩猎。我喜欢花时间狩猎。Many wild animals are dying out for over-hunting.因为过度猎杀，很多野生动物都面临灭绝。因为过度猎杀，很多野生动物都面临灭绝。_un.狩猎，打猎狩猎，打猎 _n.猎人，狩猎者猎人，狩猎者 hunt for搜寻，追踪搜寻，追踪go hunting去打猎去打猎huntinghunterimmediately adv.立即立即;马上马上;即刻即刻;接近接

3、近;紧接紧接;附近附近;紧接地紧接地;直接地直接地conj.一一就就She answered almost immediately.Immediately shed gone, I remembered her name.species 种类种类;物种物种 There are tens of thousands of different species of birds.（全球）有成千上万种各不相同的鸟。（全球）有成千上万种各不相同的鸟。sharkn.鲨鱼Afishusesitsfinstobalanceandmoveitself.鱼用鳍来平衡和驱动身体。finn.（鱼的）鳍Peopleuse

4、sharksfinstomakesharkfinsoup!人们用鲨鱼的鱼鳍用来做鱼翅汤。on earth (表示强调)究竟，到底Whyonearthwouldhewanttogotosuchaplace?他到底为什么想去那么个地方？onearth“究竟，到底”，放在疑问词what，how，why，where，who等之后表示强调，用于。die out: it becomes less and less common and eventually disappears completely 灭亡；逐渐消失灭亡；逐渐消失 eg How did the dinosaurs die out? 【拓展拓

5、展】die相关短语相关短语 die away 变弱变弱; 逐渐消失或停止逐渐消失或停止 die of/from 因因而死而死; 死于死于 be dying for 渴求渴求; 迫切需要迫切需要 be dying to do sth. 迫切想做某事迫切想做某事alarming adj.使人惊恐的使人惊恐的alarm n.惊恐惊恐;惊慌惊慌;恐慌恐慌;警报警报;警报器警报器 v.使惊恐使惊恐;使害怕使害怕;使担心使担心;She decided to sound the alarm.她决定发出警报。【归纳归纳】 be alarmed by/at sth. 因因而惊恐而惊恐 be alarmed to

6、 do sth. 做某事感到恐慌做某事感到恐慌 in alarm 惊恐地惊恐地(常作状语常作状语) give/raise/sound the alarm 发出警报发出警报 (1) It was really alarming news.这确实是令人惊恐的消息。这确实是令人惊恐的消息。(2)She turned around alarm when the door opened.当门打开时，她惊恐地转过身。当门打开时，她惊恐地转过身。(3)Everybody the news that war might break out.大家听到战争可能爆发的消息都感到恐慌。大家听到战争可能爆发的消息都感到

7、恐慌。(4)The boy was alarmed (see) the bear walking to him.这个男孩看到熊走向他，很是惊慌。这个男孩看到熊走向他，很是惊慌。inwas alarmed at/byto see n. 速度；（比）率速度；（比）率 vt. 划分等级划分等级 first-rate 一流的 the birth/death rate 出生率/ 死亡率 at an alarming rate 以惊人的速度雨林正以惊人的速度消失。The rainforests are disappearing_ _ _ _ .at an alarming rate extinction

8、灭绝灭绝;消亡消亡extinctadj.已灭绝的（1）an extinct species 已灭绝的一个物种已灭绝的一个物种（2）extinction n. 灭绝灭绝be close to extinctionpreserve endangered species from extinctionlead to the extinction of many animals濒临灭绝濒临灭绝保护濒危物种不致灭绝保护濒危物种不致灭绝导致许多动物的灭绝导致许多动物的灭绝habitat 栖息地栖息地 A polar bears habitat is Northern ice and snow.北极熊的栖息

9、地在冰天雪地的北极。北极熊的栖息地在冰天雪地的北极。awareadj.知道;有意识的;发觉Hewaswellawareoftheproblem.他很清楚这个问题。Iwasawarethatshewastrembling.我察觉到她在发抖。awarenessHeintroducedradiototheschoolto raise thechildrensawareness.他在学校开通广播，以提高孩子们的警觉性。反义词：unaware【拓展拓展】 become/be aware of 对对知道知道, 明白明白; 意识到意识到 be aware + that -clause 察觉到、意识到察觉到、

10、意识到 make sb. aware of sth. 使某人明白某事使某人明白某事 so / as far as Im aware 据我所知据我所知 awareness n. 认识，意识认识，意识 raise ones awareness 提高某人的意识提高某人的意识 public awareness 公共意识公共意识endanger vt.危害危害;使受到危险使受到危险en使使.进入状态进入状态+danger危险危险 使危险使危险We endanger pandas by destroying their habitat.我们毁坏了熊猫的栖息地，使它们的生存处于危机之中。我们毁坏了熊猫的栖息

11、地，使它们的生存处于危机之中。endangered adj. 濒危的濒危的 endangered animals average adj.平均的平均的; 正常的正常的;普通的普通的 n.平均数平均数;平均水平平均水平Her work was well below average for the class. 她的功课远在班上的中等水平以下。400 people a year die of this disease on average. 平均每年有400人死于这种疾病。(1)Freddy was an average student，but not an average person.(2)H

12、e works hard and his grade is in his class.他学习刻苦，成绩在班里高于平均水平。他学习刻苦，成绩在班里高于平均水平。(3) ，men smoke more cigarettes than women.一般来说，男士比女士吸烟多。一般来说，男士比女士吸烟多。弗雷德是一个普通的学生，但不是个普通人。弗雷德是一个普通的学生，但不是个普通人。above (the) averageOn averagemake progress 取得进步Chinahasmade alotofprogress.中国已经取得了很大的进步。makeprogressin.在方面取得进步m

13、akesome/greatprogress取得一些/巨大进步makeslow/steady/rapid/goodprogress取得缓慢的/平稳的/迅速的/良好的进展误区警示progress是不可数名词，不能用a/an修饰，没有复数形式。Studywell(hard)andmakeprogresseveryday.好好学习天天向上。 concern v. 1. (使使)担忧担忧 2 涉及涉及 n. 担忧，担心担忧，担心concerned adj.担心的；关切的担心的；关切的concerning prep. 关于关于be concerned about关心关心, 挂念挂念be concerned

14、 with与与有关有关,涉及涉及 as far as sb. is concerned 就就而言而言Translation 1. 父母十分父母十分关心关心我们的健康。我们的健康。2. 我很我很担心担心她的安全。她的安全。3. 这部影片是这部影片是关于关于保护动物的。保护动物的。4. 就我而言就我而言，我更喜欢英语。，我更喜欢英语。Our parents are concerned about our health greatly.I am concerned about her safety. The film is concerned with protecting animals.As f

15、ar as I am concerned, I prefer English. adaptvt.使适应；改编vi.适应(1)adapt to 适应adapt oneself to . 使自己适应adapt sth. from . 根据改编某物be adapted for . 为而改编；适宜(2)adaptable adj. 能适应的(3)adaptation n. 适应；改编；改写本 adapt vi.& vt. 适应适应;使适合使适合Its amazing how soon you adapt.The radio play had been adapted from a novel.The

16、children are finding it hard to adapt themselves to the new school.The novel have been adapted for television.适应适应改编自改编自适应适应改编成改编成(1)It took him a while to adapt himself to the new surroundings.(2)Three of her novels I recommended to you have all been adapted _television. 我向你推荐的她的三部小说都已经改编成了电视剧。我向你推

17、荐的她的三部小说都已经改编成了电视剧。(3)It is said that the TV play is adapted a novel.据说这部电视剧改编自一部小说。据说这部电视剧改编自一部小说。(4)你会很快适应这新的环境。你会很快适应这新的环境。 You will soon _ _ _ _ _ _ and customs.forfrom他花了一段时间才使自己适应新环境。他花了一段时间才使自己适应新环境。adapt yourself to this new environment measure 1.Canyoumeasurethetableforme?2.Weshouldtakemeas

18、urestosolvetheproblem.3.Idlikemysuittobemadetomyownmeasure.4.SometreesinVancouvermeasureover90metres.测量量起来措施尺寸takemeasurestodo采取措施做某事bemeasuredby/with以来测量为某人量身订做1. 快乐不能用钱来衡量。Happinesscantbemeasuredby/withmoney.authority n.权力;威权;当权She does not like anyone challenging her authority. 她不喜欢任何人挑战她的权威。We w

19、ere brought up to be respectful of authority. 我们从小就学会了尊重权威。pressure n.压力；压，按；压迫压力；压，按；压迫put pressure on sb.(to do sth.)对某人施加压力 (迫使其做某事)under pressure 在压力之下 (液体或气体)受压力under the pressure of 在的压力下high/low pressure 高/低压运用：完成下列句子。运用：完成下列句子。他目前是不是遭受到了工作的压力？他目前是不是遭受到了工作的压力？Is he suffering from ？这件事是在迫切需要的情

20、况下做的。这件事是在迫切需要的情况下做的。It was done the necessity.他们生了双胞胎，不得不寻找一套较大的住房。他们生了双胞胎，不得不寻找一套较大的住房。The birth of twins_ to find a bigger flat.pressure of workunder the pressure ofput pressure on themreserve 保护区保护区re再再+serve服务，保持服务，保持 再留住再留住 储备，后备，保护区储备，后备，保护区The store keeps a large reserve in case prices sudde

21、ndly go higher.仓库保持大量库存以防物价突涨。仓库保持大量库存以防物价突涨。n. 自然保护区自然保护区nature reservevt. 保留保留I reserve the right to make my own decisions.我保留自行做出决定的权利。我保留自行做出决定的权利。Ill reserve a table for five. 我要预订一个我要预订一个5人的餐位。人的餐位。plainadj. 直率的; 简单明了的，平凡的 n.平原She made her annoyance plain.她满脸不耐烦。The facts were plain to see .事实

22、显而易见。You dont need any special skills for this job, just plain common sense.这项工作不需要任何特殊技能，只要有普通常识就够了。the Great Plains北美洲大平原make out 听清;看清；分清I could just make out a figure in the darkness.黑暗中我只看出了一个人的轮廓。By the light of the moon I could just make out shapes and outlines. 月光下，我只能分辨出物体的轮廓。I couldnt make

23、 out what she meant. 她的话是什么意思，我听不出来herd n.兽群;牧群;A herd of elephants crossed the plains towards a watering hole. 一群大象缓慢而笨拙地穿过平原，朝水潭走去。a herd of cattlea herd of roosters 遵守遵守庆祝庆祝观察观察注视注视 The scientist devoted most of his lifetime to observing the behavior of the chimps._ It is a tradition for the peop

24、le here to observe Spring Festival. _ The thief was observed to open the window and run away. _ The police observed that the driver did not observe the traffic rules. _一词多义一词多义: :写出下列句中写出下列句中observeobserve的含义的含义注意到注意到observe sb.do sth. 观察某人做某事观察某人做某事(全过程全过程) observe sb.doing sth. 观察某人正在做某事观察某人正在做某事

25、observe that . 观察观察observe the traffic rules 遵守交通遵守交通规则规则 observe Christmas 过圣诞节过圣诞节 (1)完成句子完成句子：许多中国人尽管在国外居住了多年：许多中国人尽管在国外居住了多年,但仍遵从传统的习俗。但仍遵从传统的习俗。Though having lived abroad for years，many Chinese still _.(2)句型转换句型转换：The police observed the man enter the bank.(变为被动语态变为被动语态)The man_ _ _ _the bank b

26、y the police.observe the traditional customs巧巧 学学 活活 用用was observed to enter特别提醒：在被动语态中，特别提醒：在被动语态中，observe后充当补足语的不带后充当补足语的不带to的动词不定式中的动词不定式中的的to要还原出来，即要还原出来，即sb./sth.is observed to do sth.。 _adj. 美丽的美丽的 _ n. 美美; 美人美人 _vt. 美化美化beautifulbeautybeautify点拨：点拨：类似加类似加-ify表动词的词还有表动词的词还有: pure/ purify, clar

27、ity/clarify, simple/simplify; 加加-ful表形容词表形容词, care/careful, hope/hopeful, use/ useful等。等。 _ _ vt. 提醒提醒; 使想起使想起 (1)_ 提醒某人某事提醒某人某事, 让某人想起让某人想起 (2) _ 提醒某人做某事提醒某人做某事做完所有的工作后我们竖起了布告牌来提醒人们保护这些小树。做完所有的工作后我们竖起了布告牌来提醒人们保护这些小树。 After getting the work done, we put up a board _ the trees.这使我想起在假期里我们一起所做的一切。这使我想

28、起在假期里我们一起所做的一切。 This _ together during our holiday.remind remind sb. that remind sb.to do sth. remind sb. of . to remind people to protect reminds me of what we did shootHe was _ a bird, and he _ it.shooting atshot(强调射击的结果强调射击的结果)向向射击射击(shot; shot)watch over 看守看守; 监视监视; 守护守护; 照管照管They _ _ _ by three

29、 policemen. 他们被三个警察看守着。他们被三个警察看守着。【短语短语】watch out(for) 当心当心; 注意注意watch for sth. 盼望或等待某事物盼望或等待某事物under the close watch在严密的监视下在严密的监视下were watched overall day and all night: =day and night = night and day整日整夜整日整夜 all day long : 整天整天day after day :日复一日日复一日(动作的重复动作的重复)day by day: 逐日地逐日地 (动作的变化动作的变化) atta

30、ck v.;n.袭击;攻击Your father is an obvious candidate for a heart attack. 你父亲显然是容易患心脏病的人。The man attacked him with a knife.那个男人持刀向他行凶。effective adj. 有效的; 生效的The new speed limit on this road becomes effective from 1 June.这条路上新的限速规定自6月1日起生效。effect n.效应;影响affect v.影响;侵袭;使感染;(感情上)深深打动;affection n.喜爱;钟爱recove

31、r vi. & vt. 痊愈；恢复；重新获得痊愈；恢复；重新获得搭配：搭配：熟记下列搭配。熟记下列搭配。(1) recover from从从中恢复过来中恢复过来(2) recover oneself使自己恢复到正常状态使自己恢复到正常状态(3) recover ones balance恢复恢复(身体身体)平衡平衡联想：联想：recovery n. 恢复；复苏恢复；复苏cover v. 覆盖；掩盖；走过覆盖；掩盖；走过uncover vt. 揭发；暴露揭发；暴露discover vt. 发现发现运用：运用：据汉语意思完成英文句子。据汉语意思完成英文句子。(1)这个年轻人手术后很快就康复了。这个年

32、轻人手术后很快就康复了。That young man _ after the operation.(2)学生们还没有从震惊中恢复过来。学生们还没有从震惊中恢复过来。The students have not yet _.(3)我一定要努力学习来补上失去的时间。我一定要努力学习来补上失去的时间。I must study hard to_.recovered soon recovered from the shock recover the lost time remove.from._remove from.to. _remove sb.from school _remove ones doub

33、t/trouble_把把从从移开移开 从从搬到搬到开除某人；勒令某人退学开除某人；勒令某人退学消除某人的疑虑消除某人的疑虑/烦恼烦恼 remove into .搬入搬入remove移动，搬开；去除；开除；免职；打架的同学都将被学校开除。The students _ have a fight _ _ _ _ school.who/that will be removed from那两名司机把两块大石头从路面搬走了。The two drivers _ the two big stones _ the road.removedfrom同学们在进入教室前，去掉了鞋上的泥。The students _

34、the mud _ their shoes before_ into the classroom.removedfromgoing(1)intend doing/to do sth.打算做某事打算做某事 intend sb.to do sth. 打算让某人做某事打算让某人做某事(2)be intended to do sth./for sth. 专门为专门为；专门给；专门给(3)with the intention of 目的是目的是 intendthreaten vt.&vi.恐吓恐吓;威胁威胁threat威胁威胁+en表动词表动词 威胁，恐吓威胁，恐吓The man threatened

35、to hurt the girl.那个人威胁要伤害那个女孩。那个人威胁要伤害那个女孩。 exist v.存在存在, 生存生存, 生活生活 existence n.存在存在 existing adj.目前的；目前的； existent adj. 现存现存的；存在的；生存的的；存在的；生存的 adj.不存在的不存在的【搭配搭配】 exist in 存在于存在于中中 exist on=live on 靠靠生活生活 exist as 作为作为而存在而存在 We cant exist without water. That means our _ (exist) depends on water.【运用

36、运用】 The little boy cannot exist _ the money he is earning. Matter can exist _ a solid, liquid or gas.onas existence二harmonyn.和谐;融洽Humanlifeisregardedaspartofnature,sotheonlywayforustosurviveistoliveinharmonywithnature.人类生活是大自然不可分割的一部分,因此我们想生存下来的唯一方式就是与其和谐相处。reduce vt 减少reduce to 减少到减少到reduce by 减少了减

37、少了dueadj.由于；因为；预期；到期；应归于由于；因为；预期；到期；应归于Most of the problems were due to human error. 多数问题都是人为错误造成的。President Bush is due to visit the country next month. 布什总统定于下月访问该国。The ship is due to land at 3 oclock. 渡轮预定3点钟到岸。Due to the fact that they did not read English, the prisoners were unaware of what the

38、y were signing. 这些囚犯由于看不懂英语，不知道自己在签什么。in search of=in ones search for寻找寻找search sth./sb. 搜查某物搜查某物/搜身搜身search A for B 为找到为找到B B而搜查而搜查A A search forlook for 寻找寻找62search n.;v.搜寻，搜查搜寻，搜查1) After graduation, he went to Beijing in search of a job. 在毕业之后，他去北京找工作。在毕业之后，他去北京找工作。2) He turned on his computer

39、in search of the information he wanted.他打开电脑搜索他想要的信息。3)Can you help me search for my key? 你能帮我找找钥匙吗？你能帮我找找钥匙吗？stir v.搅动;激发She was stirred by his sad story.他那悲惨的故事打动了她。They were trying to stir up trouble at the meeting. 他们想在会上闹事。emotion n. 感情; 情感;情绪He lost control of his emotions.他情绪失去了控制。The decision was based on emotion rather than rational thought.这个决定不是基于理性的思考而是基于感情作出的。Mothers are often the ones who provide emotional support for the family.母亲通常是家庭的情感支柱。在表示喜怒哀乐愁等某一种具体感情时，是可数名词，可以在前面加an，也可以用复数emotions。在表示与“理智”相对的“情感、感性”时，是不可数名词。