Unit 4 单词用法趣味讲解2 ppt课件 -(2022）新外研版高中《英语》选择性必修第一册.pptx

1、版本：新外研版本：新外研单元：选择性必修一单元：选择性必修一 Unit 4(Using language Presenting ideas)本单元词汇梳理本单元词汇梳理1.abstractabs-(=ab-,away 离开)+tract(to draw 抽、拉)拉出；抽出 摘要；词块：an abstract idea/concept2.awe-inspiring 合成词：awe(敬畏)+inspiring(激励的)3.installationinstall(安装)+-ation(名词后缀)4.wire名词动词化；词块：wire fence派生词：wired,wiring,wireless5.c

2、able词块：a cable car6.innovativein-(into 入)+nov(new 新的)+-ative(形容词后缀)创新的；革新的7.trend词源：来自古英语 trendan(滚动、转动)，原指河流或海湾的拐弯，后引申词义趋势、潮流。词块：a trend toward(s),follow the trend8.contrastcontra(against 相对)+-st(to stand 站)相对站立进行比较 对比词块：by/in contrast,in contrast with/to,make a contrast with,contrast between and c

3、ompare&contrast 辨析9.GreekGreek Greece10.literallyliteral(字面意义的)+-ly(副词后缀)字面上 真正地；简直(表示加强语气)11.technician techn-(skill 技术)+-ian(名词后缀，表示“从事的人”)12.animation anima(life 生命，活力)+-tion(名词后缀)使电影里的人物有生命、活力 动画制作13.distinctdis-(apart 分开)+stinct(prick,stick 刺)以刺为记号区分的 截然不同的加词块：be distinct from派生词：distinction14.

4、innovation in-(into 入)+nov(new 新的)+-ation(表示结果)(引入)新的思想、方法 创造/创新/革新重重难难点点词词精精讲讲英语释义英语释义distinctcontrast 搭配义搭配义innovative&innovationtrend wire 词族词族一词多义一词多义词根词根wirea wireless router无线路由器无线路由器wire(线线)+-lesswire n C&U 金属丝金属丝/线；电线；电话线：线；电线；电话线：a wire fenceelectricity wiresa telephone wirewire vt 给给接上电线接上

5、电线 /接通电源；将接通电源；将连接到连接到：The washing machine wasnt working because it hadnt been wired(up)properly.She was wired(up)to a heart monitor.【词汇拓展词汇拓展】wired adj 联网的；极其兴奋的联网的；极其兴奋的 wiring n U 电线线路；线路系统电线线路；线路系统wireless adj 无线的：无线的：a wireless router同族词：同族词：wire,wired,wiring,wirelesstrend不要随波逐流，要跟随自己的内心。不要随波逐流

6、，要跟随自己的内心。trendn C 趋向；趋势：趋向；趋势：the general trend of historyThere has been a recent trend in the food serviceindustry toward lower fat content and less salt.2017 全国 潮流：潮流：follow the latest world trend词源解读：词源解读：来自古英语来自古英语 trendan(滚动、转动滚动、转动)，原指河，原指河流或海湾的拐弯，后引申词义趋势、潮流。流或海湾的拐弯，后引申词义趋势、潮流。时尚的时尚的“趋势趋势”con

7、trast 词源解读词源解读contra-(against 相对)+-st(to stand 站)相对站立进行比较 对比contrast vt&vi（使）形成对照；（使）形成对比（使）形成对照；（使）形成对比：In his book,the writer contrasts good with evil.His actions contrast sharply with his promises.n C&U 差异；对比；对照差异；对比；对照：the economic and social contrasts between the poor and the rich by/in contras

8、t 相比之下：相比之下：By contrast,Mrs Young was much more outsopken.in contrast with/to 与与对比；与对比；与相反：相反：In contrast to his wife,Bush has little appetite for foreign travel.make a contrast with 与与形成对比：形成对比：The white walls make a contrast with the black carpet.辨辨析析compare:侧重比较两个或更多东西的异同优劣，强调相同或类似之处，实际为求同求同而比较。S

9、hakespeare compared the world to stage.contrast:侧重比较两个或更多东西之间的差异，强调不同点。实际为求异求异之对比。Incontrast,thelivesofchildreninwell-to-do families were often very sheltered.distinct看图猜词看图猜词distinct adj 明显不同的；截然不同的明显不同的；截然不同的distinct adj 明显不同的；截然不同的明显不同的；截然不同的 clearly different or of a different kind：In Beijing,th

10、e four seasons are all very distinct.The African elephant is divided into two distinct species.2011 湖南 The two flowers are quite distinct from one another,so it is easy to make a distinction between them.明显的；清楚的明显的；清楚的 easily or clearly seen,heard,smelled,etc.：distinct writing词源解读：词源解读：dis-(apart 分开

11、分开)+stinct(prick,stick 刺刺)以刺为记号区分的以刺为记号区分的 截然不同的截然不同的【词汇拓展词汇拓展】distinctionn C&U 区别；差别；不同：区别；差别；不同：We should draw/make a distinction between right and wrong.常用单数特点；特性：常用单数特点；特性：the chief distinction of Chinese poetrydis-前缀前缀写出下列单词的汉语释义，并将其按写出下列单词的汉语释义，并将其按 dis-的含义归类。的含义归类。1.dishonest _2.display _3.di

12、slike(v)_ 4.discover _5.disability _ 6.disappear _7.distinguish _ 8.distance _9.dis-表示“相反或否定相反或否定”：_10.dis-表示“分开分开”“”“分离分离”：_不诚实的不诚实的展出；展示展出；展示不喜欢不喜欢发现发现残疾；障碍残疾；障碍消失消失区别；辨认；使有别于区别；辨认；使有别于距离距离dishonest,dislike,discover,disability,disappeardisplay,distinguish,distance根据所给词根提示，写出下列句子中画线词的汉语释义。根据所给词根提示，

13、写出下列句子中画线词的汉语释义。1.If you pay in cash,you can get a ten percent discount.（2011 湖南）_2.People should not do things which will disturb their neighbours unnecessarily.（2014 湖南）_3.John was dismissed last week because of his casual attitude towards his job._4.Mum was taking the food to the refugee（难民）camp,

14、in which she distributed it to children.（2016 上海改）_5.I spent eight to ten hours a day with Joe in the hospital,doing anything and everything I could to ease his discomfort.（2015 浙江）_dis-前缀前缀折扣折扣打扰打扰解雇解雇分配分配不适不适miss 送、投送、投 count 数数 tribut 赠予赠予 fort 强壮强壮 turb 搅动搅动innovative&innovationinnovate vi&vt 创新

15、；革新：创新；革新：We must constantly adapt and innovate to ensure success in a growing market.innovative adj 革新的；创新的：革新的；创新的：an innovative approach to language teachinginnovation n C 新观念新观念/方法；方法；U 创新；革新：创新；革新：technological innovation the latest innovations in computer technologyinnovate+-iveinnovate+-ionin

16、novate词源解读：词源解读：in-(into 入入)+nov(new 新的新的)+-ate(动词后缀动词后缀)(引入引入)新的思想、方法新的思想、方法 创造创造/创新创新/革新革新词根词根前缀前缀/后缀后缀单词单词派生词派生词 nov-in-（向里）；-ate（使成为）innovate v 创新innovative adj 创新的innovation n 新观念innovator n 创新者-el（人或物）novel adj&n 新颖的/小说novelty n 新颖；novelist n 小说家re-（再）；-ate（使成为）renovate v 翻新renovation n 翻新词根词根

17、nov-词根 nov-意为“新的(new)”，由该词根构成的词大多含有此意。本单元金句汇总本单元金句汇总1.There has been a recent trend in the food service industry toward lower fat content and less salt.2.His actions contrast sharply with his promises.3.In Beijing,the four seasons are all very distinct.4.We should draw/make a distinction between rig

18、ht and wrong.随堂检测随堂检测wire一、写出下列句子中画线部分的汉语释义。一、写出下列句子中画线部分的汉语释义。1.To keep out rabbits,a wire fence has to be only about a half-meter high._2.Drill（钻）a hole through the back of the cupboard and pass the wires through._3.As soon as the equipment is wired up,you can use it._二、在空白处填入单词二、在空白处填入单词wire的正确形式

19、。的正确形式。1.Faulty _ is the major cause of house fires.2.Each of the homes has a security system and is _ for cable television.3.The group is working to promote the adoption of broadband _ access over long distances.铁丝网铁丝网 /铁丝栅栏铁丝栅栏电线电线接通电源接通电源wiringwired wireless trend一、写出下列句子中画线部分的汉语释义。一、写出下列句子中画线部分的

20、汉语释义。1.The trend at the moment is towards a more natural and less made-up look._2.In southern Spain the sudden increase of greenhouses has changed the warming trend locally.（2017 江苏改）_二、根据所给词块及提示，将下列句子译成英语。二、根据所给词块及提示，将下列句子译成英语。1.为了保护地球，我们必须引领潮流关注环境。(set the trend of doing sth)_2.高校有时会改变教育策略，顺应发展趋势。

21、(follow the trend)_趋势趋势潮流潮流To protect the planet/earth,we must set the trend of caring for the environment.The universities sometimes change educational strategies and follow the trend of the development.contrast在空白处填入在空白处填入1个适当的单词。个适当的单词。1._ contrast,there are some people who actually enjoy work.(2

22、015 浙江)2.In contrast _ your belief that we will fail,I am confident that we will succeed.3.The yellow curtains contrast _ the blue bedcover.4.The old building made _ contrast to the modern girls of today.5.We should recall the misery of the past and contrast it _ the happiness of today.By/Inwith/tow

23、ithawithdistinct写出下列句子中画线部分的汉语释义。写出下列句子中画线部分的汉语释义。1.When I first came to America,I noticed that a public building had two different doors and they had distinct functions.（2010 广东）_2.The girls voice was quiet but every word was distinct._3.The new evidence makes it very clear that these people are a

24、new species,distinct from modern humans.（2008 上海）_截然截然 /明显不同的明显不同的清晰的清晰的截然截然 /明显不同的明显不同的innovative&innovation一、写出下列句子中画线部分的汉语释义。一、写出下列句子中画线部分的汉语释义。1.The online classroom provides an innovative learning environment._2.What sets Rice apart from most engineers is his constant（持续的）desire to innovate and experiment._二、在空白处填入单词二、在空白处填入单词innovate的正确形式。的正确形式。1.He is an _ in this field.2.There will be a price for the most _ design.3.We must promote originality,inspire creativity and encourage _.创新创新新颖的新颖的innovatorinnovativeinnovation谢谢谢谢观观赏赏