Unit 2 单词课件【知识精析+对点提升 】高中英语人教版（2019）选择性必修第四册

单单词词课课堂堂版本：新人教版本：新人教单元：选择性必修四单元：选择性必修四 Unit 2本单元词汇梳理本单元词汇梳理1.foundation 构词：found(bottom 底部、基础)+-ation(名词后缀)词块：lay the(firm)foundation for词族：found,founder,founding,foundation2.political构词：politic(adj 精明的)+-al(形容词后缀)词族：politic,political,politics,politician3.located构词：locate+-ed；词块：(be)located in/on词族：locate,located,location4.barbecue词源：barbecue 源于美洲海地语barbakoa，指的是一种由木桩支撑的木架，当地印第安土著人用它当床睡觉或烧烤大块的肉。后来进入英语，演变为barbecue，既可用来指烧烤架，也可表示烧烤。缩写为BBQ。5.bakery构词：bake(v 烘焙)+-ery(表示地点)6.joint词块：ankle/knee joints,a fast food joint,make joint efforts to do sth7.butcher名词动词化：屠宰；屠杀8.premier来自词根 prim(first,chief 第一、主要的)词源同 prime,primary9.straightforward 合成词：straight(adj 直的)+forward(adv 向前)10.minister词源：来源于拉丁语minster,来自minus(less)，-ter是比较级后缀，因此词源义是“地位较低的人”，即servant。类似中国古代，大臣都是君主的“仆人 或下人”。词块：the Prime Minister派生词：ministry11.entitle构词：en-(使)+title 使有标题 给命名 常用于被动语态词块：be entitled to(do)sth12.getaway合成词：get+away词块：make a getaway13.dive一词多义：基本义“跳进的深处”隐喻：具体的“跳水”抽象的“冲向；俯冲”词块：dive into,go diving派生词：diver14.freedom构词：free(adj 自由的)+-dom(表示状态)词块：freedom of speech,have freedom to do sth15.sponsor构词：spons(允诺、承诺)+-or(名词后缀)名词动词化：赞助；资助16.liberty构词：liber(free)+-ty(名词后缀)同根词：liberation正式用语，对应freedom词块：be at liberty,take liberties with17.sample词块：a blood/water/soil sample,free samples18.distribution 构词法：distribute distribution构词：dis-(apart)+tribut(to assign 分配)+-ion(名词后缀)分配(基本义)19.temporary构词：tempor(time)+-ary(形容词后缀)一段时间的 暂时的同根词：contemporary；反义词：permanent派生词：temporarily20.licensed构词法：license licensed21.license美式英语，英式英语是 licence名词动词化：批准；许可词块：a drivers/driving license,under license,license sb/sth to do sth22.frequency 构词：frequent+-cy(名词后缀)词族：frequent,frequency,frequently,infrequent23.violent来自violence；派生词：violently隐喻：人的行为“暴力的”风等“暴力的”(猛烈的)24.nest词源同 sit，即坐的地方、落脚的地方，引申义“鸟巢；鸟窝”。词块：a birds nest,an ants nest25.biology构词：bio-(life 生命)+-logy(学)词族：biology,biological,biologist同后缀词：ecology,psychology,technology26.hatch隐喻：孵出幼禽等 孵出计划、想法等 密谋；策划27.capacity 构词：cap(to hold 容纳)+-acity(quality of 有的能力)容纳的能力(基本义)词块：have the capacity to do/for(doing)sth28.handful构词：hand+-ful(一的容量)词块：a handful of sand/people29.fence名词动词化：把用栅/篱围住；(筑栅)防护；隔开30.prison词块：escape from/go to/get out of prison,put sb in/send sb to/throw sb into prison,in prison派生词：prisoner 31.grand一词多义，基本义“大的”词块：the Grand Canyon,the Grand Hotel/Theatre,the grand prize重重难难点点词词精精讲讲一词多义一词多义dive搭配义搭配义distributionfoundation一词多义一词多义熟词生义熟词生义freedom&liberty辨析义辨析义隐喻隐喻词根词缀词根词缀capacity一词多义一词多义看图猜词看图猜词foundationfoundation地基地基粉底霜粉底霜foundation C&U 基础；基本原则；根据基础；基本原则；根据 the idea,principle,or fact on which sth is based：The foundation of every state is its education of its youth.“Lianda laid the foundation for every achievement I have made,”Yang Zhenning recalled.U 创建；创办创建；创办(establishment)：the foundation of the first university C常用复数地基；房基：常用复数地基；房基：How long will it take to finish digging the foundations?C 基金会：基金会：Childrens Foundation of China构词：构词：found(bottom 底部、基础)+-ation(名词后缀)潜水潜水 dive看图猜词看图猜词跳水跳水 divedive vi 跳水；潜水：跳水；潜水：I took off my T-shirt and dived into the water.冲向；俯冲；扑冲向；俯冲；扑：It started to rain so we dived into the nearest cafe.The goalkeeper dived for the ball,but missed it.全身心投入：全身心投入：I know I am smart enough to dive into an area that is totally unknown.2016 天津n C 跳水；潜水；俯冲：跳水；潜水；俯冲：She made a beautiful dive.diving n U 跳水运动；潜水：跳水运动；潜水：go divingdive 的词源义及基本义为“跳进的深处”“跳进跳进”水的水的“深处深处”“跳进跳进”某个方向的某个方向的“深处深处”“跳进跳进”事情的事情的“深处深处”dive 语义网络图语义网络图跳水；潜水跳水；潜水全身心投入全身心投入冲向；俯冲；扑冲向；俯冲；扑 跳进跳进的深处的深处 dive基本义基本义“跳进跳进”水的水的“深处深处”“跳进跳进”某个方向的某个方向的“深处深处”“跳进跳进”事情的事情的“深处深处”车厘子自由自由，网络流行词，是指个人收入较为可观，可以随心所欲地购买车厘子。这一提法来自于“财务自由自由”(financial freedom)。liberty&freedom15C&U 自由；自主；自由权：自由；自主；自由权：freedom of speech/thoughtYoung people today earn more and have more freedom to live where they want.构词：构词：free(自由的自由的)+-dom(名词后缀，表示名词后缀，表示的状态的状态)freedom 自由自由freedom nliberty n U 自由自由：We fought to defend our liberty.at liberty 自由的自由的：Youre at liberty to say what you like.take liberties with 任意篡改任意篡改思考：思考：freedom和和liberty有什么区别有什么区别？辨析辨析 freedom,liberty freedom 指“没有强制、压迫且能充分按自己意志行事”，强调“个人的自由个人的自由”(the right or the ability to do what you want)。Her parents gave her a lot of freedom.liberty 更正正式式，指“从过去所受的压制或束缚中解放出来”，强调“集集体体的的自自由由”。(Liberty is more formal and is used about peoples right to live,work etc.,without government or official restrictions.)He sees the new law as an attack on civil liberties.在有在有liberty的大前提下，即不限制公民应该做什么，每个人才能追的大前提下，即不限制公民应该做什么，每个人才能追求自己的需求，才能够真正充分享受自己独有的求自己的需求，才能够真正充分享受自己独有的freedom。distribution 配送中心配送中心 distribution centredistribute v 分配；分布；散布：分配；分布；散布：This species of dolphin is widely distributed throughout the world.分发；分送：分发；分送：Clothes and blankets have been distributed among/to the earthquake victims.分销（商品）分销（商品）：Who distributes our products in the UK?构词：构词：dis-(apart)+tribut(to assign 分配)+-ion(名词后缀)分配(基本义)distribution n U&C 分配；分布；散布：分配；分布；散布：the distribution of wealth population distribution U 分发；分送；配送：分发；分送；配送：the distribution of aid supplies U（商品的）分销；经销：（商品的）分销；经销：marketing,sales and distributiondistribute&distribution 语义网络图语义网络图在一定区域内在一定区域内“分配分配”事物