高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection图文课件ppt

这是一份高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection图文课件ppt，共51页。PPT课件主要包含了alarm，rate，mass，aware，average，average 词源，温故知新，concern，measure，pressure等内容，欢迎下载使用。
本单元词汇梳理1. pster：来自pst2. 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 fr a jb, g hunting 派生词：hunter, hunting4. immediately：immediate (adj 立即的) + -ly immediate：im- (不) + -med (中间) → 没有中间环节的 → 立即的；马上的5. species：单复数同形；词块：endangered species6. alarm：来自意大利语all’arme! 全部拿起武器 → 警报 词块：the alarm ges ff, set the alarm, an alarm clck 名词动词化：使惊恐； 派生词：alarmed, alarming
7. rate：词块：birth / heart / success rate; at a … rate f (= at a … speed f) 名词动词化：划分等级；评估；派生词：rating8. extinct：ex- (向外) + -stinct (刺) → 拔刺、拔出 → 连根拔起 → 灭绝 派生词：extinctin9. mass：词块：a mass f / masses f = a lt f / lts f, mass prductin 10. aware：a- (强调) + -ware (看、留意) → 意识到的 词块：be aware f, be aware that; 反义词：unaware (be unaware f)； 派生词：awareness (raise awareness f)11. endanger： en- (make 使) + danger (危险) 词族：danger, dangerus, endanger, 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 f, belw / abve average, n average
13. prince：拓展princess, king, queen14. cncern：① cn- (with, tgether 共同) + -cern (分开、筛选)， 即区分开的，关心自己那一部分的 ② cncern动词英语释义：(be) abut (日常用语中更常用abut)；t affect / invlve sb；t wrry sb ③ 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。 ④ 派生词：cncerned (分词形容词), cncerning (介词) ⑤ 词块：be cncerned with / in, be cncerned abut / fr, as far as … be cncerned15. living：来自live 词块：living things, living standards, make / earn a living 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- (t 去) + apt (适应的) 词块：adapt (neself) t sth, adapt sth (fr sth) (frm sth) 派生词：adaptatin17. measure：一词多义：基本义“测量” 词块：safety measures, take measures t d sth 派生词：measurement18. authrity：authr (n 作者) + -ity 一词多义：基本义“权威” 词块：an authrity n, in authrity, the authrities19. pressure：press (v 压) + -ure (名词后缀) 词块：bld pressure, under pressure, put pressure n sb
一词多义英语释义搭配义
■ n [C] 警报 (器)：I raised / sunded the alarm as sn as I saw the smke. Everyne fled frm the building when the fire alarm sunded.  [C] 闹钟 (alarm clck)：set the alarm fr sixThe alarm went ff at five.  [U] 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“all’arme!”相当于英语中的“t the arms”（去拿武器，arms在此指武器）。all’arme后演变为英文单词alarm，词义也演变为“警报、警告”。
■ vt 使惊恐；使担忧 (wrry)：The news that the enemies were near alarmed everybdy.词汇拓展► alarmed adj 担忧的；恐惧的► alarming adj 令人担忧的；令人恐惧的
Heart Rate心率
■ n [C] 比率：the birth / death / unemplyment / success / heart rate 速度；速率：Our mney was running ut at an alarming rate.  价格；费用：exchange / interest ratesbe sld at a high rate
at any rate 无论如何 (anyway)：At any rate, the medical supplies will reach yu within a week. at this / that rate 这样 / 那样的话：If yu g n at that rate, yu will damage yur health. first-rate / secnd-rate / third-rate 一流的 / 二流的 / 三流的■ vt [不用于进行时] 对……评估；对……评价：The university is highly rated fr its research. The shw was rated as a great success by critics.  给……划分等级：When students rate subjects accrding t their imprtance, the arts are unavidably at the bttm f the list. 2009 北京改
■ n [C] 团；块；堆：a mass f rckslarge masses f cluds 许多；大量：a mass f / masses f:I’ve gt a mass f things t d this mrning. Wherever the Beatles went, masses f fans wuld welcme them at the airprt.  [the masses] 群众；民众：The trains prvide cheap travel fr the masses.  [U] (物理学) 质量
■ adj [只用于名词前] 民众的；大规模的：a mass prtestmass prductin【词汇拓展】massive adj 巨大的；大而重的；大规模的：A massive earthquake hit central Italy in August 2016, killing at least 247 peple. 北师新选必①-3
adj [不用于名词前] 意识到的；察觉到的：① (be) aware f:Peple arund the wrld shuld be aware f the real situatin f water shrtage. 2010 福建书面表达They suddenly became aware f peple lking at them. ② (be) aware + that 从句：If she had been aware that the mushrms were pisnus, she wuld nt have picked them fr dinner.词汇拓展awareness n [U] 认识；意识：raise awareness f
词源：a- (加强意义) + ware (看、留意) → 意识到
如果对自己的英语水平做个评价，你的英语水平如何？Excellent? Very gd? Gd? Fairly gd? 还是 Average? 或者 Belw average?如果说你的水平中等偏上，该怎么表达？
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：The average f 3, 8 and 10 is 7. I spend an average f abut $200 a year n bks.  一般水平；平均标准：belw / abve averagethe natinal averagen average 平均；一般地：On average we have five classes a day. Wmen, n average, live lnger. 2016 四川
■ adj [无比较级] [只用于名词前] 平均的：The average number f electrnic devices rse frm fur per husehld in 1992 t 13 in 2007. 2018 全国 中等的；适中的 nrmal r typical：children f average intelligenceHe was in his late twenties and f average height.  平常的；普遍的 nt special; rdinary：Freddy was an average student, but nt an average persn. 2017 全国■ vt [不用于被动语态] 平均为
This article ________________（关于）sme studying methds.
is / has t d with
Everyday English
 关于；与……有关 t be abut sth； 涉及；牵涉 t affect / invlve sb / sth：The film cncerns a girl wh ges t Africa as a vlunteer.Please pay attentin because this infrmatin cncerns all f yu.
 使担心 t wrry sb：It cncerned her that her sn hadn’t been back hme.
cncern neself with [正式用语] 关心；担心：A gd dctr shuld always cncern himself with his patients.
cncern vt
 [U] 担心；忧虑 a feeling f wrry abut sth imprtant：the grwing cncern abut / fr / ver cntinuing high unemplyment [U] 关心 a feeling f wanting t prtect and help sb / sth:Thank yu fr yur cncern. 2014 四川书面表达I appreciate everyne’s cncern and help at this difficult time. [C] 担心的事；关心的事 sth that wrries yu r that is imprtant t yu:The quality f bks is a main cncern t editrs.What are yur main cncerns as a student?
cncern的名词释义和动词相关
关于；与……有关；涉及；牵涉
cncerned adj [不用于名词前] 有关的；有关联的：be cncerned with / in:Her jb is smething cncerned with cmputers.Peple cncerned in the event were all punished. 担忧的；关心的 wrried abut sth, r caring abut sb：be cncerned abut / fr:I’m a bit cncerned abut / fr her safety.Parents are all cncerned abut / fr their children. 关注的；关切的 believing that sth is imprtant：be cncerned with:Mre peple are cncerned with the prtectin f endangered animals.Many f my students were mre cncerned with their grades than with the knwledge they gained.
as far as … be cncerned 就……而言；关于：As far as I’m cncerned, riding bicycles is a gd slutin t air pllutin. I’m ding fine as far as histry is cncerned, but my math is nt gd. cncerning [正式用语] prep 关于 (regarding / with regard t)：varius questins cncerning pllutin and envirnment
中西方关于度量衡 (weights and measures) 的常见表达都有哪些呢？
以人名命名的物理单位：力的单位：牛顿 (N) ；功的单位：焦耳 (J)；频率的单位：赫兹 (Hz)；电流的单位：安培 (A) ……等等
 [C] & [U] 度量单位；计量标准：weights and measures
 [C] [正式用语] (判断的) 标准；衡量a way f testing r judging sth：Speed is a gd measure f wrk perfrmance in this setting.
measure的词源义为“测量”，是 meter（米）的同源词
 [C] [用单数] (一定的) 量；程度 (degree)： N matter hw unpredictable the future is, there’s almst always sme measure f jy t be gt frm the mment. 2015 浙江改
 [C] [常用复数] 措施；办法 an fficial actin (step)：
safety measures
It is high time that we shuld take sme measures t prtect endangered animals.
 vt & vi 量；测量：
 [用作系动词] [不用于进行时] (尺寸、数量等) 量度为： The rm measures 10 meters acrss.
 vt 估量；衡量 (assess)：
measuring instruments The dctr weighed the baby and measured its height.
Scientists haven’t measured the psitive effects f laughter n children.
► measurement n [U] 测量；衡量；[C] [常用复数] 尺寸：take sb’s measurements
(判断的) 标准；衡量
(一定的) 量；程度
measure语义网络图
measure测量基本义
(尺寸、数量等)量度为
authrity词源解读
在古欧洲，能解决争端的书或文章等都是有权威的，而能写出这些书籍和文章的人即作者也都是很有权威的人。在历史发展过程中，由“有权威的篇章”这一具体的概念衍生出抽象释义“权威；权力”等。authrity的各层释义都与“权威”有关，故各释义衍生的基础即基本义为“权威”。
authr (n 作者) + -ity
authrity语义网络图
authrity 句中学
1. He is an authrity n vcabulary. 2. Teenagers, when they grw up, begin t questin their parents’ authrity and wisdm. 3. Culd I speak t smene in authrity (= wh has a psitin f pwer) here, please? 4. N ne may enter withut my authrity.5. We reprted the train accident t the authrities.
权威人士；专家；泰斗同义异构：specialist
大家在平时的学习中一定感受过“压力”吧？
pressure一词源自单词“press按；压”，press + ure → pressure；其释义与“按；压”息息相关。
pressure n
 [U] 挤压；(物理学) 压力；压强：air / bld pressure The nurse applied pressure t his arm t stp the bleeding.  [U] [可用复数] (精神上的、外界施加的) 压力：Sme peple wrk better under pressure. I knw studying is very imprtant, but my parents put t much pressure n me. 2008 浙江
同义异构：stress
（精深上、外界施加的）压力
基本义：由按压而产生的力
由一种事物到另一种事物
pressure语义网络图
（im-进 + press → 压进去 → 印入头脑 → 使留下深刻印象）
（ex- + press → 把 (思想) 挤出来 → 表达）
（re-回 + press → 压回去 → 镇压 → 抑制情感）
（de-向下 + press → 向下压 → 使情绪低下）
(sup-下去 + press → 压下去 → 忍住；镇压）
（press + -ure ……的过程 / 结果 → 压力）
写出下列句子中画线部分的汉语释义。1. The rainfrest is disappearing at an alarming rate. ______________2. Neighburs sunded the alarm when they smelled smke.______________3. He was alarmed t discver that his car was gne. ______________4. His family raised the alarm when he had nt cme hme by 9 pm._____________5. Alarmed by the nise, the birds flew away. _____________6. My alarm went ff at 7 ’clck this mrning. _____________
根据所给汉语，用适当的词块完成下列句子。1. The cuntry’s _____________ (出生率) fell t a recrd lw last year.2. Well, that’s ne gd piece f news ____________ (不管怎么说).3. She is _______________ (评价很高) by the peple she wrks fr.4. The car is running ________________ (以……的速度) eighty kilmeters an hur.
at any rate
rated very highly
at a speed / rate f
一、写出下列句子中画线部分精准的汉语释义。1. Henry Frd said: “I will build a mtr car fr the great mass f peple.” (2011 辽宁) ____________2. This mass extinctin is caused by hunting, habitat destructin and pllutin. _______________3. When I washed the sweater, it just turned int a shapeless mass._______________二、根据所给汉语，用适当的词块完成下列句子。 There were __________ (大量) peple in the shps yesterday.
根据所给汉语，用适当的词块完成下列句子。1. Peple are becming far mre ________________ (意识到) envirnmental prblems.2. She ________________ (察觉到) a tall dark persn watching her.3. The writer’s bk __________________________ (提高人们……的意识) the dangers f pllutin. (2014 江苏改)4. Many peple _______________________ (不知道) hw much fd and drink they cnsume (消耗).
was aware f
raised peple’s awareness f
are nt aware / unaware f
一、根据句意，选出 average 的最佳释义。 平均的  中等的；适中的  平常的；普遍的1. Nt s lng ag, mst peple didn’t knw wh Shelly-Ann Fraser-Pryce was ging t becme. She was just an average high schl athlete. (2016 江苏) __________2. As the average age f the ppulatin increases, there are mre and mre ld peple t care fr. (2016 天津) __________3. Only ne in six children whse parents were f average weight became verweight. __________
二、根据句意，用适当的介词填空。1. He was a gd student and scred _________ average in mst subjects. (2011 天津)2. Tea is the British natinal drink. Every man, wman, and child ver ten years f age has _________ average ver fur cups a day. (2015 全国)3. The library nw gets an average _________ five visits a day. (2013 湖南)
一、在空白处填入1个适当的单词。1. Officials shuld cncern themselves ______ public affairs.2. The meeting was cncerned _______ refrms and everyne present was cncerned _______ their wn interests.3. The news shcked the public, leading t great cncern  ______________ students’ safety at schl. (2010 重庆)  
abut / fr / ver
二、用cncern的适当形式填空。1. The letter has been given t the persn  _________.2. One f the _________ that peple have is the side effects f treatment.3. As far as Americans ____________, a lt f ur htels are belw average.4. As a grassrts singer, she reads everything she can get hld f ____________ music, and takes every pprtunity t imprve herself. (2014 福建)
are cncerned
三、根据所给汉语及提示，完成句子。Nwadays peple ________________________________ ____________________________ (更关心他们所居住的环境). (2013 四川) 2. _____________________(就我个人而言), riding bicycles is a gd slutin.  (2011 江西书面表达)3. Parents ___________________________________________(关注孩子们的课程选择). (2009 山东) (selectin)4. There was n evidence that he ______________________________________ (与……有关) any criminal activity.
are mre cncerned abut / fr the
As far as I’m cncerned
are cncerned with children’s subject selectin
was cncerned with / in
envirnment where they live
完成句子。1. The rm _________________________ (宽10米). 2. The assistant _____________________ (给我量尺寸) and shwed me what was available in my size. 3. Persnally, I’m against _________________________________ (付钱让学生学习的办法). (2010 广东书面表达) 4. They call n peple and the gvernment t ______________________________ (采取措施减少污染). (2013 天津改)
the measure f paying students t learn
measures 10 metres acrss
take measures t reduce pllutin
tk my measurements
根据句意，选出authrity的最佳释义。 权威人士；专家  权威；权力；当权 (正式的) 许可；授权  官方；当局______ 1. Mexicans may use silence when rders are given by a persn in authrity. ______ 2. Perhaps the railway authrities are respnsible fr pr signalling system. ______ 3. They’ve been acting illegally and withut authrity frm the cuncil (政务委员会). ______ 4. Mr. Lee is a leading authrity n Chinese fd.
一、英汉互译。1. 高血压 ___________________ 2. a pressure cker ________3. 生活 / 学习压力 _______________________ 4. lw pressure _________二、用适当的介词填空。1. The pressure _______ their parents allws them almst n time fr ther activities. (2011 陕西)2. I was _______ pressure frm my parents t becme a dctr.3. The need t feed a grwing ppulatin is putting much pressure _____ the wrld’s supply f water. (2010 安徽)
pressure(s) f life / study
high bld pressure