Unit 4 Welcome to the unit — Reading 1 （ppt课件）-2022新牛津译林版（2020）《高中英语》必修第一册.pptx

1、单词课堂版本：新译林版本：新译林 单元：必修一单元：必修一 Unit 4（Welcome to the unit Reading）本单元词汇梳理本单元词汇梳理1.skip：词源义 jump over；基本义：跳 “跳”的动作(具体)“跳”过应做的事情(抽象)2.faint：形容词动词化：眩晕的 晕倒；昏厥3.immediately：immediate+-ly4.concentrate：con-(together 共同)+center(集中)+-ate 使聚集/使集中；词块：concentrate on 5.sex：sex-=cut,divide,表示“切，割”。sex表示用男、女“分”类6.e

2、xtreme：extr-(超过)+eme，表示最高级 超出主题 极端的7.slim：熟词生义“微小的”；词块：a slim chance；形容词动词化slim down 8.per cent：per(每)+-cent(hundred 百、百分之一)百分比、百分率 9.concerned：concern+-ed(concern的分词形容词)英语释义：involved in sth or affected by it;worried about sth,or caring about sb;believing that sth is important 词块：be concerned about/

3、for,be concerned with,as far as be concerned 词族：concern,concerned,concerning 10.effect：ef-(out 出)+fect-(make,do 做)做出来 生效；效果 词块：side effect,have an effect on,take effect/come into effect,in effect 派生词：effective 11.prove：prove-=test，表示“测试；证明”，复合词根，由 “pro-(forward 向前)+be-(to be，存在)”组成 词块：prove sth to s

4、b,prove sb/sth(to be)+adj/n 12.slightly：slight+-ly 13.diet：词块：be/go on a diet,a balanced diet 名词动词化：节食14.nutrition：nutrit-(feed 滋养)+-ion 词族：nutrition,nutritious,nutritional15.function：funct-(perform 活动)+-ion 名词动词化 派生词：functional16.energetic：energy+-etic 词源义：active,full of energy 17.frightened：fright

5、+-en+-ed(frighten的分词形容词)同义词：scared,afraid 词族：fright,frighten,frightened,frightening 词块：be frightened of;be frightened to death18.within：合成词 with+in；词块：within reach19.rather：词块：rather than,would rather do sth than do sth 20.aspect：aspect(方面)原本是一个天文学术语，表示“星体的相对位置”。它由“a-(to)+spect(look 查看)”构成，字面意思就是“(星

6、体相互)观看对方”。后来衍生出“看待事物的方式”“事物呈现出来的外观”。同根词：respect,inspect,spectacular concentrate一词多义一词多义concern&concerned一词多义英语释义搭配义一词多义一词多义take inrather抽象名词抽象名词用法搭配辨析义重难点词精讲effect&affect辨析义辨析义prove搭配义搭配义分词形容词分词形容词 喝过进口果汁的同学可以注意下商标，上面往往有喝过进口果汁的同学可以注意下商标，上面往往有“apple juice concentrate;grape juice concentrate”等，那么大家知道等

7、，那么大家知道concentrate在这里是什么意思吗？在这里是什么意思吗？生活中的生活中的concentrateconcentrateconcentrate是由是由con-+center+-ate三部分构成，前缀三部分构成，前缀con-的意的意思是思是together“共同；一起共同；一起”，-ate是动词后缀。不难看出，是动词后缀。不难看出，concentrate的基本义是的基本义是“(使使)集中；集中；(使使)聚集于聚集于”。concentrate vt&vi(使使)聚集于；聚集于；(使使)浓缩：浓缩：Italian industry is concentrated mainly in

8、the north.专心；集中专心；集中 (注意力、思想等注意力、思想等)：When we miss a nights sleep,we find it hard the next day to concentrate and learn new information.concentrate(sth)on(doing)sth:We must concentrate our efforts on improving education.n C&U 浓缩物；浓缩液：浓缩物；浓缩液：orange juice concentrate同义异构：同义异构：focus“集中集中”具体的人或物具体的人或物“

9、集中集中”抽象的时间精力等抽象的时间精力等（使）聚集于（使）聚集于（使）浓缩（使）浓缩专心；集中专心；集中(注意力、思想等注意力、思想等)（使）集中（使）集中concentrate 基本义基本义concentrate 语义网络图语义网络图一物到另一物具体到抽象 词汇拓展词汇拓展 concentrated adj 浓缩的；聚集的；全神贯注的浓缩的；聚集的；全神贯注的be concentrated on(doing)sth concentration n C&U 集中；专心集中；专心：Concentration on your studies will result in good grades.

10、Driving requires total concentration.This article _（关于）some studying methods.is aboutis/has to do with Everyday English温故知新温故知新concerns 关于；与关于；与有关有关 to be about sth；涉及；牵涉涉及；牵涉 to affect/involve sb/sth：The film concerns a girl who goes to Africa as a volunteer.Please pay attention because this inform

11、ation concerns all of you.使担心使担心 to worry sb：It concerned her that her son hadnt been back home.concern oneself with 正式用语正式用语 关心；担心：关心；担心：A good doctor should always concern himself with his patients.concern vt U 担心；忧虑担心；忧虑 a feeling of worry about sth important：the growing concern about/for/over co

12、ntinuing high unemployment U 关心关心 a feeling of wanting to protect and help sb/sth:Thank you for your concern.2014 四川书面表达I appreciate everyones concern and help at this difficult time.C 担心的事；关心的事担心的事；关心的事 sth that worries you or that is important to you:The quality of books is a main concern to edito

13、rs.What are your main concerns as a student?concern n 抽象名词具体化concern的名词释义和动词相关的名词释义和动词相关concern担心的事；关心的事担心的事；关心的事（抽象名词具体化）（抽象名词具体化）关于；与关于；与有关；有关；涉及；牵涉涉及；牵涉使担心使担心担心；忧虑担心；忧虑关心关心 nvconcerned adj 不用于名词前不用于名词前 有关的；有关联的：有关的；有关联的：be concerned with/in:Her job is something concerned with computers.People con

14、cerned in the event were all punished.担忧的；关心的担忧的；关心的 worried about sth,or caring about sb：be concerned about/for:Im a bit concerned about/for her safety.Parents are all concerned about/for their children.【词汇拓展词汇拓展】关注的；关切的关注的；关切的 believing that sth is important：be concerned with:More people are conce

15、rned with the protection of endangered animals.Many of my students were more concerned with theirgrades than with the knowledge they gained.as far as be concerned 就就而言；关于：而言；关于：As far as Im concerned,riding bicycles is a good solution to air pollution.Im doing fine as far as history is concerned,but

16、 my math is not good.affect 影响影响 to influence sb/sth：(基本义）基本义）With the governments aid,those(who were)affected by the earthquake have moved to the new settlements.2009 上海改affect vt 常用于被动语态常用于被动语态 使感动；打动：使感动；打动：She was deeply affected by the story.=be moved 使感染使感染(疾病疾病)to attack sb or a part of the b

17、ody;to make sb become ill/sick：Diseases affect almost everyone at some time during their lives.affect 语义网络图影响affect基本义对精神的“影响”对身体的“影响”使感动；打动使感动；打动 使感染使感染 (疾病疾病)影响影响对人或物的“影响”effect R3 n C&U 结果；效应；作用；影响：greenhouse effect It is uncertain what side effect the medicine will bring about.2010 浙江Global warm

18、ing is having a great effect on hundreds of plant and animal species around the world.2012 四川bring/put.into effect 实施；实行in effect 在实施中；有效：Some laws from the eighteenth century are still in effect.实际上；事实上：“Have a nice day”is a wonderful phrase,reminding us,in effect,to enjoy the moment.词汇拓展 effective

19、 R3 adj 有效的 反 ineffective；生效的：take effective measures/steps The more I understood fish,the more I became effective at finding and catching them.2015 广东 effectively adv 有效地 effectiveness n U 有效性take effect 生效(come into effect)；起作用：These measures are just beginning to take effect.词语辨析affect/effect aff

20、ect（动词）=to have an influence on sb/sth；影响某人影响某人/某事某事：Does television affect childrens behaviour?effect（名词）=result,influence；作用；影响作用；影响：Does television have an effect on childrens behaviour?vt 证明；证实：证明；证实：Riis believed that poverty caused crime,and he used photos to help him prove his point.2008 陕西 p

21、rove sth to sb:Just give me a chance and Ill prove it to you.注：表示向某人证明某事时应该用 prove sth to sb，而不能用 prove sb sth。prove sb/sth(to be)+adj/n:They put me in prison,but,in the end,I was proved innocent.He proved himself(to be)a better driver than the world champion.prove v (proved,proved/proven)prove+(tha

22、t)/wh-从句：从句：Sarah wants to prove that she has brains as well as beauty.2017 全国The challenge proved how difficult it is to drive across a desert without guidance.it is proved that:It has been proved that eating vegetables in childhood helps to protect you against serious illnesses in later life.prove oneself(to sb):When I first started this job,I felt I had to prove myself.用作系动词证明是；被发现是用作系动词证明是；被发现是(turn out)：prove+adj/n:The book has proved very successful.prove to be sth:He proved to be an honest friend.谢谢观赏