Unit 1 单词课堂（ppt课件） 1 -2022新外研版（2019）《高中英语》选择性必修第四册.pptx

1、单单词词课课堂堂版本：新外研版本：新外研单元：选择性必修四单元：选择性必修四 Unit 1本单元词汇梳理本单元词汇梳理1.boyhood 构词：boy+-hood(名词后缀：表示时期)同后缀词：childhood,adulthood2.ambition ambition 源自拉丁语 ambitio(四处奔走)，词根amb表示“走”，救护车 ambulance 原义就是四处走的医院。ambition 原指古代政客四处奔走发表演说拉选票的行为。政客拉选票是为了实现自己的政治抱负，所以 ambition 引申出“野心、政治抱负”，原本含有贬义，但现在已经变成中性词，既可以指“野心”，也可以指“雄心、

2、志向”。词块：ambition to do sth/ambition of doing sth派生词：ambitious3.trainee构词：train+-ee(被的人)同后缀词：employee(后缀-ee 表示动作的接受者)4.correspondent 构词法：correspond(v 通信)+-ent(名词后缀)5.bullfighting构词：bull(公牛)+fight(战斗)+-ing6.historical构词：history(n 历史)+-al(形容词后缀)词块：places of historical interest词族：history,historical,histo

3、ric,historian7.detective构词：detect(v 发现、察觉)+-ive(做的人)detect：de-(off 去掉)+tect(to cover 掩盖)去掉掩盖 察觉、发现；词块：a detective story8.ultimately构词：ultimate(最终的)+-ly；句子副词近义词：finally,eventually9.dot名词动词化“布满；星罗棋布于”(The sky was dotted with stars.)词块：on the dot,be dotted with10.backwards构词：back+wards(副词后缀)；backwards是

4、英式英语，美式是backward同后缀词：forward(s),afterwards11.admission构词法：admit(必修二U2)admission12.participation 构词法：participate(必修二U2)participation词族：participate,participant,plex构词：com-(with,together 一起)+plex(to weave 编织)编织在一起的 复杂的反义词：simple派生词：complexity14.undergrowth 合成词：under+growth15.numerous构词：numer-(number 数量

5、)+-ous(形容词后缀)数量多的；正式用语(对应 many)mercial 构词：commerce com-(together 共同)+merc(商业)+e+-al(形容词后缀)同根词：merchant(商人)词族：commerce,commercial,commercialise,commercialism,commercialisation17.thoughtful构词：thought+-ful(形容词后缀)18.symbolize构词法：symbol(必修二U1)symbolize19.alternative词块：alternative energy,have no alternati

6、ve but to do sth20.arise构词：a-(向上)+rise 向上立起(基本义)词块：arise from/out of21.circumstance 构词：circum(around 周围)+st(to stand 站立)+-ance(名词后缀)站立的周围 (周边)的状况 情况同根词：stand,stay,distance,constant词块：in/under.circumstances,in/under no circumstances22.mixture构词：mix(v 混合)+-ure(名词后缀)词块：a mixture of23.affection构词法：affec

7、t(必修二 U6)affection词块：affection for24.qualified构词：qualify v(使)合格+-ed词块：be qualified for/to do sth词族：quality,qualify,qualified,qualification25.fluency构词法：fluent fluency类似构词：frequent&frequency,efficient&efficiency26.sincerely构词：sincere(adj 真诚的)+-ly(副词后缀)词族：sincere,sincerely,sincerity 27.refreshment构词法：

8、refresh refreshment28.shift基本义：(使)转移词块：a shift in sth,a shift from to,day/night/morning shift,shift from to 重重难难点点词词精精讲讲mind搭配义搭配义arise熟词生义熟词生义complex熟词生义熟词生义circumstancecommercial词族词族alternative英语释义英语释义辨析义辨析义搭配义搭配义辨析义辨析义短语动词短语动词shift一词多义一词多义admission熟词生义熟词生义admissionAdmission by ticket.凭票入场。生活中的生活中

9、的 admission语境复习语境复习1.He refused to admit(to)the other charges.2.I had to admit(to)being nervous about the test.3.Only ticket-holders will be admitted to/into the stadium.4.I shall be very likely to be admitted to my dream university.承认承认承认承认容许容许进入进入被录取被录取admit(必修二 U2)【温故温故】admissionadmission:来自 admi

10、t(必修二 U2)admit 构词构词:ad-(to)+mit(to go,send)送出去 容许进入admission n U&C 接纳；进入权；准许入会接纳；进入权；准许入会/学：学：Admission by ticket.She failed to gain admission to the university of her choice.the university admissions policy/office C常作单数承认；供认：常作单数承认；供认：an admission of a mistake/failure U 入场费：入场费：admission charges/pr

11、ices 【知新知新】admit&admission 语义网络图语义网络图供认供认admit容许容许进入进入（基本义）（基本义）承认承认“容许容许”事情事情“进入进入”内心内心“容许容许”人人“进进入入”组织或机构组织或机构“容许容许”物体物体“进入进入”某地某地接纳；招收接纳；招收容许容许进入进入承认；供认承认；供认接纳；接纳；准许入会准许入会 /学；学；入场费入场费进入权进入权admission“容许容许”自己做自己做错了的事错了的事“进入进入”公众视野公众视野视频学习：视频学习：make up your mind 是什么意思是什么意思?make up ones mind 拿定主意；下定决

12、心拿定主意；下定决心make up ones mind 拿定主意；下定决心拿定主意；下定决心：Once she has made up her mind,nothing can change it.He has made up his mind to overcome his shortcomings.change ones mind 改变主意：改变主意：When I first met Bryan I didnt like him,but I have changed my mind.bear/keep in mind 将将记在心中；记起记在心中；记起 (bear/keep in mind

13、that)：Its a good idea Ill bear it in mind.Whenever or however you take notes,keep in mind that note-taking is a selective e/spring to mind 突然想起突然想起;(;(想法想法)一下子冒出来：一下子冒出来：Kindness and honesty are words that spring to mind when talking of the man.lose ones mind 发疯：发疯：To be in this place,you have to ha

14、ve a sense of humor or youll lose your mind.put/set/turn ones mind to/set ones mind on 集中精力做：集中精力做：She could have been a brilliant pianist if shed put her mind to it.adj 复杂的复杂的(complicated)反反 simple；复合的：；复合的：a complex state of affairs The link between money and happiness is complex.a complex sentenc

15、e n C 综合楼群；综合体；联合企业：综合楼群；综合体；联合企业：a new apartment complex 2010 浙江【拓展拓展】complexity n U&C 复杂性；错综复杂（的事物）复杂性；错综复杂（的事物）complex 构词：构词：com-(together 一起）+plex(to weave 纺织)(问题等)织在一起的 复杂的 commercial生活中的生活中的 commercial商业广告商业广告commercial adj常用于名词前商业的；营利性的；商业化的：常用于名词前商业的；营利性的；商业化的：commercial radio/TV/channels Th

16、e movie was not a commercial success.Intellectual property is a product of the mind that has commercial value.Festivals are becoming more and more commercial.n C 商业广告：商业广告：a radio/TV commercial 构词：commerce com-(together 共同)+merc(商业)+e+-al(形容词后缀)【词汇拓展词汇拓展】commerce n U 商业；贸易商业；贸易(trade)：electronic com

17、merce(e-commerce)commercialize/commercialise vt常用于被动语态使商业化；常用于被动语态使商业化；使成为营利手段：使成为营利手段：Some people believe festivals should not be mercialization/commercialisation n U 商业化商业化词族：词族：commerce,commercial,commercialize,commercialization 看到上面两幅图，大家很容易想到风能和太阳能，这些自然能源即为“替代能源”（alternative energy）。此时，alternat

18、ive可译为“可替代的”。alternativealternative adj 只用于名词前只用于名词前 可供替代的；可供选择的可供替代的；可供选择的 that you can use,do,etc.instead of sth else：an alternative method of learning The way was blocked,so we went by an alternative road.非传统的；另类的非传统的；另类的 different from what is usual or traditional：an alternative lifestyle altern

19、ative energy 替代能源替代能源（指太阳能、风能、水能等指太阳能、风能、水能等）alternative n C 选择；供选择的东西：选择；供选择的东西：Minibuses with seats for 12 passengers offer an alternative to expensive taxis and crowded public transport.have no alternative but to do sth 除了做某事别无选择：除了做某事别无选择：I had no alternative but to report him to the police.【拓展】

20、【拓展】alternatively adv 引出第二种选择或可能的建议引出第二种选择或可能的建议 二者选一地；或者：二者选一地；或者：I could come to your house,or alternatively we could meet in town.三个词中，三个词中，alternative 最正式，最正式，choice 较较 option 稍非正式。稍非正式。option,choice 或或 alternative均可表示可选择的事物。均可表示可选择的事物。alternative 较常用以指两个选择，后可接介词较常用以指两个选择，后可接介词 to：You can be pai

21、d in cash weekly or by cheque monthly;those are the two alternatives.表示选择权或选择的自由最常用表示选择权或选择的自由最常用 choice，有时也可用，有时也可用 option，但通常不，但通常不用用 alternative：Do I have a choice of what color to paint my room?option 也指计算机程序里的选项、选择。也指计算机程序里的选项、选择。【辨析辨析】alternative,choice,option根据所给汉语，完成句子。根据所给汉语，完成句子。We _（起床）ea

22、rly this morning.got up/arose正式用语正式用语arise 起床；起身；起立：起床；起身；起立：He arose from his seat.（问题或困难）出现；发生；产生（问题或困难）出现；发生；产生：What problems may arise when humans are cloned?A number of high buildings have arisen where there was nothing a year ago but ruins.arise from/out of 因因产生；由产生；由引起：引起：Accidents often aris

23、e from/out of carelessness.问题、困难或新事物问题、困难或新事物等等“向上立起向上立起”人人“向上立起向上立起”同义异构：同义异构：occur,happen构词：构词：a-(向上)+rise(升起)基本义：向上立起注：日常用语中，表示出现问题或困难出现更常用注：日常用语中，表示出现问题或困难出现更常用 come up。arise vi正式用语正式用语circumstance根据所给汉语，用适当的词块完成下列句子。根据所给汉语，用适当的词块完成下列句子。1.We dont usually accept late applications,but _（在这种情况下）we

24、will make an exception.2._（在任何情况下都不）should you leave this house.in this case/in/under the circumstancesIn no case/In/Under no circumstancescircumstance n C常用复数情况；情形常用复数情况；情形 the conditions that affect a situation,an event,etc.：Our circumstances are so desperate that it is uncertain whether we will e

25、ver return alive.复数正式用语境况；状况（尤指经济状况）复数正式用语境况；状况（尤指经济状况）the conditions of a persons life,especially the money they have：financial/social/personal circumstances in/under.circumstances 在在情况下：情况下：Under the circumstances,it seems better not to tell him about the accident.Its an experimental model,so dont

26、 touch it under any circumstances.2012 江西改circumstance词源解读：词源解读：circum(around 周围)+st(to stand 站立)+-ance(名词后缀)站立的周围 (周边)的状况 情况；情形in/under no circumstances 决不；无论如何不：决不；无论如何不：Under no circumstances should we do terrible things to other people.注：in/under no circumstances 置于句首时，句子要用部分倒装语序。辨析：辨析：circumsta

27、nce,environmentcircumstance 和和 environment 都含有都含有“环境环境”“”“状况状况”之意。之意。circumstance 指“情况”“情形”（the conditions that affect a situation,an event,etc.）”，常用复数，表明与某事件或某人有关的环境，情形，情况等，也可指“境况”“状况”（尤指经济状况）（how much money sb has）”。We cant judge what he did until we know all the circumstances.environment 指“生活环境”“周围状况（the conditions of the place where you are）”，尤其指作用和影响生物体的生长，发展和生存的外界物质条件的总和。The twins were separated at birth and brought up in entirely different environment.谢谢谢谢观观赏赏