Unit 5 Reading and Thinking单词用法讲解2 -ppt课件 -（2022）新人教版(2019新版)高中英语选择性必修第一册.pptx

1、版本：新人教版本：新人教单元：选择性必修一单元：选择性必修一 Unit 5(Reading and Thinking)单单词词课课堂堂1.devote由 de-(表示强调)+vote(to vow 发愿)构成。词源义是“发下宏愿”，引申为“致力于”“献身于”词块：devote oneself to,devote to 派生词：devoted,devotion2.shortageshort+-age词块：food/water/housing shortages,a shortage of3.tackle意为“处理/解决”时近义词为 deal with4.crisis词块：crisis of co

2、nfidence,energy crisis,financial crisis5.boost基本义“使增长”6.convincecon-(表示强调)+vince(to conquer 征服)思想上征服 使信服词块：convince sb that,convince sb to do sth,convince sb of sth7.characteristic character(必修一 U5)+-istic(形容词后缀)8.attainat-(=ad-,to 去)+tain(to touch 触摸)去触摸 达到、得到；正式用语 (比 achieve正式)本单元词汇梳理本单元词汇梳理9.assu

3、mption assume(必修二 U5)assumption10.intensein-(入、向内)+tens(延伸)+-e 拉紧、绷紧 紧张的、激烈的；近义词：extreme派生词：intensity11.overcomeover-(在上、超过)+come(来到)，原义为“赶上；超过”，引申词义“战胜；克服”词块：overcome the problem/difficulty,be overcome with sadness12.expandex-(out 向外)+pand(to spread,stretch 展开)向外展开 扩展、扩大；派生词：expansion13.output合成词：o

4、ut+put14.estimate词块：it is estimated that.15.domesticdom(house 家)+-estic(形容词后缀)家的 国内的16.consumptionconsume prisecom-(together 共同)+pris(to seize 抓)+-e 全部抓在一起 包括；正式用语 (对应 make up)词块：be comprised of(对应 be made up of)18.generategener(birth 出生)+-ate(to cause 使)使出生 产生词块：generate electricity；派生词：generation1

5、9.leisure词块：leisure time/activities20.vision&envisionvis(to see 看)+-ion(名词后缀：表示行为或结果)视力隐喻：视力 大脑的“视力”想象；远见卓识同根词：visit,visible,reviseen-(to make 使)+vision envision21.realityreal+-ity；词块：in reality 抽象名词具体化；词族：real,really,reality,realise,unreal22.saltysalt(盐)+-y(充满的)重重难难点点词词精精讲讲overcome搭配义搭配义estimate搭配义

6、搭配义boost熟词生义熟词生义devoteconvince一词多义一词多义搭配义搭配义vision&envision词根词根隐喻隐喻devote华特 迪士尼（Walt Disney，1901年12月5日1966年12月15日），出生于美国伊利诺伊州芝加哥，美国著名的动画大师、企业家、导演、制片人、编剧、配音演员、卡通设计者、举世闻名的迪士尼公司创始人。华特 迪士尼获得了56个奥斯卡奖提名和7个艾美奖，是世界上获得奥斯卡奖最多的人。一个人应该尽可能早地设定自己的一个人应该尽可能早地设定自己的目标，并且倾其精力和才能实现它。目标，并且倾其精力和才能实现它。devote vt 把把用于；致力于；献

7、身于：用于；致力于；献身于：Neighbors devoted their spare time to helping others rebuild homes.2016 北京改She devoted all her life to medical work for Chinese women and children.devote oneself to 献身于；致力于；专心于：献身于；致力于；专心于：If you have a job,do devote yourself to it and finally youll succeed.2010 四川devote词源解读词源解读devote

8、由 de-（表示强调）+-vote（to vow 发愿）构成。词源义是“发下宏愿”，基本义是“把把用于用于”。词汇拓展词汇拓展devoted adj 挚爱的；全心全意的；忠诚的：挚爱的；全心全意的；忠诚的：Her son,to whom she was so devoted,went abroad ten years ago.devotion n U 献身；忠诚；热爱；专心：献身；忠诚；热爱；专心：devotion to dutyI respected his devotion to teaching.be lost in focus on be absorbed inbe involved

9、in be engaged in写作同义异构：写作同义异构：除了devote oneself to 你还能想到哪些表示“专注于专注于/致力于做某事致力于做某事”的表达？concentrate on 自2013年初，adidas公司发布了Ultra Boost系列跑鞋，boost就成为了最火的球鞋中底缓震科技。boost是一种发泡材料，柔软舒适且回弹迅速，让人在跑步时的每一次落地、蹬地都能感受到十足的弹性，就像被源源不断的能量推动推动着前进。而这一特点，恰恰与单词boost的本身含义密切相关。boost vt 使增长；使兴旺；促进：使增长；使兴旺；促进：Each“like”boosts my c

10、onfidence.Researches have shown that smiling can lower blood pressure,reduce stress and boost happiness.2009 山东改山东改The new resort area has boosted tourism.n C常用单数增长；帮助；激励：常用单数增长；帮助；激励：a great/tremendous/welcome boost基本义：使增长基本义：使增长convince vt 使确信；使信服使确信；使信服 to make sb/yourself believe that sth is tru

11、e：How can I convince you?convince sb of sth:Youll need to convince them of your enthusiasm for the job.convince sb+(that)从句：Id convinced myself that I was right.说服说服(persuade)：convince sb to do sth:I hope I can convince you to stop by and visit us in New York.con-(表示强调)+vince(to conquer 征服)思想上征服 使信服

12、(基本义)convinced adj 确信的；坚信的：确信的；坚信的：Sam nodded but he didnt look convinced.I am convinced of her innocence.convincing adj 有说服力的；使人信服的：有说服力的；使人信服的：convincing evidence【拓展拓展】convince语义网络图语义网络图使信服使信服基本义基本义convince使使某人某人信服信服某某事事使使某人信服信服他人的话去做某事使确信；使信服使确信；使信服 说服说服程程度度递递进进分词形容词分词形容词用所给单词的正确形式填空。用所给单词的正确形式填空

13、。1.I am pretty _(convince)that a wise choice makes perfect.（2014 上海）2.The match was postponed to the _(follow)Saturday because of bad weather.3.A parking lot is seen packed with tens of thousands of _(share)bikes belonging to the Chinese bike-sharing firm Mobike.4.The expert expects the unemployment

14、 figures to rise even higher in the _(come)months.5.You can ask anyone for help.Everyone here is _(will)to lend you a hand.（2014 安徽）convinced很多动词的很多动词的 -ed形式和形式和 -ing 形式已经成为独立词条，称作分词形容词。其中有一类分形式已经成为独立词条，称作分词形容词。其中有一类分词形容词，如动词的词形容词，如动词的_形式表示主动关系；动词的形式表示主动关系；动词的_形式表示被形式表示被动关系。动关系。-ed-ingfollowingshare

15、dcomingwilling 战胜；克服：战胜；克服：overcome the enemy/the difficultiesIf you work hard,you will overcome this problem.常用于被动语态常用于被动语态 受到受到的极大影响：的极大影响：Overcome by curiosity,the boy looked out the window.Her parents were overcome with grief at the funeral.overcome(overcame,overcome)vtovercome 词源解读词源解读over-(在上、

16、超过)+come(来到)，原义为“赶上；超过”，引申词义“战胜；克服”estimate vt 常用于被动语态常用于被动语态 估计；估算；估价：估计；估算；估价：estimate sth(at sth):They estimate the cost to repair at$800.2016 天津改 be estimated to be/have:The tree is estimated to be at least 700 years old.estimate/it is estimated+(that)从句：The university estimates that living expe

17、nses for international students are around$8,450 a year.2013 湖南It is estimated that tens of thousands of ducks are consumed every day in Nanjing!estimate n C 估计；估算；估价：估计；估算；估价：a conservative/rough estimate“it is+动词动词-ed+that 从句从句”结构结构 根据所给汉语及提示，用适当的词块完成下列句子。根据所给汉语及提示，用适当的词块完成下列句子。1.In 2010,_（据估算）abo

18、ut 400 village shops closed.（2014 上海改）2._（普遍认为）people act the way they do because of their personalities and attitudes.（2014 重庆）(believe)3._（人们常说）the joy of travelling is not in arriving at your destination but in the journey itself.（2008 江苏）4._（据报道）a space station will be built on the moon in years

19、 to come.（2015 安徽改）5._（一致同意）we should hold another meeting.it was estimated/calculated thatIt is generally believed thatIt is often said thatIt is reported thatIt is/was agreed thatvision同根词：同根词：visit:vis(to see 看)+it(to go 去)去看 参观；拜访 visible:vis(to see 看)+-ible(capable of 可的)看得见的 revise:re-(again 再

20、)+vis(to see 看)+-e 再去看 复习vision n U 视力视力 (sight)；视觉；视觉：have good/poor visionC 想象；幻象想象；幻象 a picture in your imagination：give her a vision of her future 2009 上海 U 远见卓识远见卓识：a man of great vision.词汇拓展词汇拓展envision vt正式用语展望；想象：正式用语展望；想象：Yuan Longping envisioned rice plants as tall as sorghum,with each ear

21、 of rice as big as a broom,and each grain of rice as huge as a peanut.人教新选必-5改本单元隐喻典型词本单元隐喻典型词单词单词基本义基本义比喻义比喻义grain谷物_ear耳朵_route路线_remote偏僻的/偏远的_barrier障碍物_root根_颗粒颗粒穗穗途径途径远亲的远亲的障碍障碍根源根源随堂检测随堂检测devote一、在空白处填入一、在空白处填入1个适当的单词或括号内单词的正确形式。个适当的单词或括号内单词的正确形式。1.She devoted herself her career.2.In real lif

22、e the star of the film is a (devote)husband and father.3.Her (devote)to the job left her with very little free time.二、二、根据所给汉语，根据所给汉语，用适当的词块用适当的词块完成完成下列下列句子。句子。1.If I become a teacher,I will （全身心地投入）giving them a better education.2.He has （将一生奉献给）world peace.（2011 陕西）3.The meeting will （用于）health an

23、d safety issues.4.Tom said that he （深爱着）his family.devote myself to be devoted to was devoted todevoted his whole life totodevoteddevotion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.This new technique will boost food production._ 2.The publication of this book boost my confidence._ 3.We need a holiday to bo

24、ost our spirits._ 4.This will be a great boost to the economy._5.Getting the job gave him a terrific（极好的）boost._ boost提高提高增强增强激发激发推动推动鼓舞鼓舞convince一、在空白处填入一、在空白处填入1个适当的单词或括号内单词的正确形式。个适当的单词或括号内单词的正确形式。1.He managed to convince the jury（陪审团）his innocence（清白）.2.Ive been trying to convince him (see)a doct

25、or.3.Scientists are convinced the positive effect of laughter on physical and mental health.二、二、根据所给汉语，根据所给汉语，用适当的词块用适当的词块完成句子。完成句子。Its useless trying to _（使她相信自己不需要减肥）.of to see of convince her that she doesnt need to lose any weightovercome根据所给提示，将下列句子译成英语。根据所给提示，将下列句子译成英语。1.要不是老师们的支持，我无法克服这个困难。（2

26、017 江苏）Were it not for the support of the teachers,_.2.她终于克服了上课时的羞怯。(manage)_3.她激动得难以自持，有好几分钟说不出话来。(emotion)_,she found herself unable to speak for a few minutes.I could not overcome the difficultyOvercome with/by emotionEventually she managed to overcome her shyness in class.一、在空白处填入一、在空白处填入1 1个适当的

27、单词或括号内单词的正确形式。个适当的单词或括号内单词的正确形式。1.The earthquake caused damage to property _(estimate)at$6 million.2.At _ rough estimate,Nigeria is three times the size of Great Britain.二、二、根据所给汉语，根据所给汉语，用适当的词块用适当的词块完成完成下列下列句子。句子。1.To our disappointment,only about 1,000 finless porpoise（中国长江江豚）_（被估计仍然存活）at present.

28、（2013 重庆）2._（据估计）there are about 5,000 7,500 humpback whales（座头鲸）worldwide.（2011 上海）aare estimated to be still livingIt is estimated that estimateestimated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.She has very little vision in her left eye._ 2.Thats my vision of how the world could be._ 3.We need a leader with vision and strong principles._ 4.They envision an equal society,free of poverty and disease._vision&envision视力视力想象想象远见卓识远见卓识展望展望 /想象想象谢谢谢谢观观赏赏