Unit 2 Listening and Speaking单词解读ppt课件 -(2019)新人教版高中英语必修第二册.pptx

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1、版本:新人教版本:新人教单元:必修单元:必修二二 Unit 2 (Listening and Speaking)单单词词课课堂堂本单元词汇梳理1. poster:来自post2. illegal:il- (不) + legal (合法的);词块:illegal activities 派生词:illegally3. hunt:一词多义:基本义“猎捕” 词块:hunt for a job, go hunting 派生词:hunter, hunting4. immediately:immediate (adj 立即的) + -ly immediate:im- (不) + -med (中间) 没有中间

2、环节的 立即的;马上的5. species:单复数同形;词块:endangered species6. alarm:来自意大利语allarme! 全部拿起武器 警报 词块:the alarm goes off, set the alarm, an alarm clock 名词动词化:使惊恐; 派生词:alarmed, alarming7. rate:词块:birth / heart / success rate; at a rate of (= at a speed of) 名词动词化:划分等级;评估;派生词:rating8. extinct:ex- (向外) + -stinct (刺) 拔刺

3、、拔出 连根拔起 灭绝 派生词:extinction9. mass:词块:a mass of / masses of = a lot of / lots of, mass production 10. aware:a- (强调) + -ware (看、留意) 意识到的 词块:be aware of, be aware that; 反义词:unaware (be unaware of); 派生词:awareness (raise awareness of)11. endanger: en- (make 使) + danger (危险) 词族:danger, dangerous, endanger

4、, endangered12. average:词源:在海运活动中,当船只遇到恶劣天气等危险,往往会抛弃一部分货物以减轻载重,避免船只倾覆。海损由相关各方平均分摊,这在古代西方已经形成惯例。average原本指的就是这种海运货物损失,后又引申出“平均的”、“普通的”之意。 词块:an average of, below / above average, on average13. prince:拓展princess, king, queen14. concern: con- (with, together 共同) + -cern (分开、筛选), 即区分开的,关心自己那一部分的 concern

5、动词英语释义:(be) about (日常用语中更常用about);to affect / involve sb;to worry sb 名词释义与动词释义相对应;抽象名词具体化:表示具体的令人担忧的事或人时,是可数名词。 派生词:concerned (分词形容词), concerning (介词) 词块:be concerned with / in, be concerned about / for, as far as be concerned15. living:来自live 词块:living things, living standards, make / earn a living

6、 辨析alive, living living多作前置定语,alive多作表语,后置定语或补语 16. adapt:前缀ad- (to 去) + apt (适应的) 词块:adapt (oneself) to sth, adapt sth (for sth) (from sth) 派生词:adaptation17. measure:一词多义:基本义“测量” 词块:safety measures, take measures to do sth 派生词:measurement18. authority:author (n 作者) + -ity 一词多义:基本义“权威” 词块:an authori

7、ty on, in authority, the authorities19. pressure:press (v 压) + -ure (名词后缀) 词块:blood pressure, under pressure, put pressure on sb 重重难难点点词词精精讲讲massaveragealarmrateawareauthority一词多义一词多义一词多义一词多义pressure一词多义一词多义词根词根精准的汉语释义精准的汉语释义搭配搭配一词多义一词多义一词多义一词多义搭配搭配熟词生义熟词生义concern一词多义一词多义英语释义英语释义搭配义搭配义measure一词多义一词多

8、义alarm n C 警报警报 (器器):I raised / sounded the alarm as soon as I saw the smoke. Everyone fled from the building when the fire alarm sounded. C 闹钟闹钟 (alarm clock):set the alarm for sixThe alarm went off at five. U 惊恐;惊悚惊恐;惊悚词源:古代意大利哨兵发现敌人来袭时会大声呼喊“allarme!”相当于英语中的“to the arms”(去拿武器,arms在此指武器)。allarme后演变

9、为英文单词alarm,词义也演变为“警报、警告”。 vt 使惊恐;使担忧使惊恐;使担忧 (worry):The news that the enemies were near alarmed everybody.词汇拓展词汇拓展 alarmed adj 担忧的;恐惧的担忧的;恐惧的 alarming adj 令人担忧的;令人恐惧的令人担忧的;令人恐惧的rateHeart Rate心率rate n C 比率:比率:the birth / death / unemployment / success / heart rate 速度;速率:速度;速率:Our money was running ou

10、t at an alarming rate. 价格;费用:价格;费用:exchange / interest ratesbe sold at a high rateat any rate 无论如何无论如何 (anyway):At any rate, the medical supplies will reach you within a week. at this / that rate 这样这样 / 那样的话:那样的话:If you go on at that rate, you will damage your health. first-rate / second-rate / thir

11、d-rate 一流的一流的 / 二流的二流的 / 三流的三流的 vt 不用于进行时不用于进行时 对对评估;对评估;对评价评价:The university is highly rated for its research. The show was rated as a great success by critics. 给给划分等级划分等级:When students rate subjects according to their importance, the arts are unavoidably at the bottom of the list. 2009 北京改mass n C

12、 团;块;堆:团;块;堆:a mass of rockslarge masses of clouds 许多;大量:许多;大量:a mass of / masses of:Ive got a mass of things to do this morning. Wherever the Beatles went, masses of fans would welcome them at the airport. the masses 群众;民众:群众;民众:The trains provide cheap travel for the masses. U (物理学物理学) 质量质量 adj 只用

13、于名词前只用于名词前 民众的;大规模的:民众的;大规模的:a mass protestmass production【词汇拓展词汇拓展】massive adj 巨大的;大而重的;大规模的:巨大的;大而重的;大规模的:A massive earthquake hit central Italy in August 2016, killing at least 247 people. 北师新选必-3awareadj 不用于名词前不用于名词前 意识到的;察觉到的:意识到的;察觉到的: (be) aware of:People around the world should be aware of t

14、he real situation of water shortage. 2010 福建书面表达They suddenly became aware of people looking at them. (be) aware + that 从句:从句:If she had been aware that the mushrooms were poisonous, she would not have picked them for dinner.词汇拓展词汇拓展awareness n U 认识;意识认识;意识:raise awareness of词源:词源:a- (加强意义加强意义) + wa

15、re (看、留意看、留意) 意识到意识到average如果对自己的英语水如果对自己的英语水平做个评价,你的英平做个评价,你的英语水平如何?语水平如何?Excellent? Very good? Good? Fairly good? 还是还是 Average? 或者或者 Below average?如果说你的水平中等如果说你的水平中等偏上,该怎么表达?偏上,该怎么表达?average 词源词源average 源自阿拉伯语 awariya (损坏的货物)。在海运活动中,当船只遇到恶劣天气等危险,往往会抛弃一部分货物以减轻载重,避免船只倾覆。average 原本指的就是这种海运货物损失。海损由相关各

16、方平均分摊,这在古代西方已经形成惯例。average 在17世纪时引申出“平均分摊”之意,又从中引申出“平均的”、“普通的”之意。average n C & U 平均;平均数:平均;平均数:The average of 3, 8 and 10 is 7. I spend an average of about $200 a year on books. 一般水平;平均标准:一般水平;平均标准:below / above averagethe national averageon average 平均;一般地:平均;一般地:On average we have five classes a da

17、y. Women, on average, live longer. 2016 四川 adj 无比较级无比较级 只用于名词前只用于名词前 平均的:平均的:The average number of electronic devices rose from four per household in 1992 to 13 in 2007. 2018 全国 中等的;适中的中等的;适中的 normal or typical:children of average intelligenceHe was in his late twenties and of average height. 平常的;普遍

18、的平常的;普遍的 not special; ordinary:Freddy was an average student, but not an average person. 2017 全国 vt 不用于被动语态不用于被动语态 平均为平均为This article _(关于)some studying methods.is aboutis / has to do with Everyday English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 con

19、cerns a girl who goes to Africa as a volunteer.Please pay attention because this information 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

20、 U 担心;忧虑担心;忧虑 a feeling of worry about sth important:the growing concern about / for / over continuing 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

21、事 sth that worries you or that is important to you:The quality of books is a main concern to editors.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

22、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 concerned 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 th

23、eir children. 关注的;关切的 believing that sth is important:be concerned with:More people are concerned with the protection of endangered animals.Many of my students were more concerned with their grades 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 my math is not good. concerning 正式用语 prep 关于 (regarding / with regard to):various questions concerning pollution and environment

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