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    人教版英语选择性必修第一册Unit5 Learning About Language and Assessing Your Progress词汇课件

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    高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land教课课件ppt

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    这是一份高中英语人教版 (2019)选择性必修 第一册Unit 5 Working the Land教课课件ppt,共29页。PPT课件主要包含了本单元词汇梳理,essential,digest,extension,root,digest v,“消化”食物等,“消化”知识等,理解领会,知识拓展等内容,欢迎下载使用。
    alternative
    前缀 ex- &形容词后缀 -y
    extensin n [C] & [U]
     延伸;扩大;延长期:a visa extensinThe wire has an extensin f 50 feet.The extensin f the garden will take several weeks.The pub had an extensin n Christmas Eve. 扩建部分:The city is building an extensin t the subway line. 电话分机;分机号码:Extensin 326, please!by extensin[正式用语]再则
    extensin 词源解读
    ex- (ut 出) + tens (t stretch 伸展) + -in (名词后缀) → 伸出 → 延伸
    近两年的高考英语语篇来源,很多文章都出自美国有线电视新闻网(CNN)、美国国家公共电台(NPR)、科学美国人(Scientific American)、每日邮报(Daily Mail)、读者文摘(Reader’s digest)、经济学人(The Ecnmist)等。对于想要学好英语的同学来说,阅读外刊是必不可少的重要环节。
    《读者文摘》(Reader’s Digest),美国杂志,在全球多个国家和地区都有发行。1922年创刊,月刊。是一本能引起大众广泛兴趣的内容丰富的家庭杂志。它所涉及的故事文章涵盖了健康、生态、政府、国际事务、体育、旅游、科学、商业、教育以及幽默笑话等多个领域。
     vi & vt 消化:digest fd This fd digests well / ill.  vt 理解;领会:As Francis Bacn nce said, “Sme bks are t be tasted, thers t be swallwed, and sme few t be chewed and digested.” n [C] 摘要;文摘► digestin n [U] & [C][常用单数]消化;消化能力
    消化digest (基本义)
    digest 语义网络图
    Sme bks are t be tasted, thers t be swallwed, and sme few t be chewed and digested. 书有可浅尝者,有可吞食者,少数则须咀嚼消化。
    这句话出自弗朗西斯·培根的《培根随笔》。原句为:书有可浅尝者,有可吞食者,少数则须咀嚼消化。换言之,有只需读其部分者,有只须大体涉猎者,少数则须全读,读时须全神贯注,孜孜不倦。指出了“粗读、泛读、精读”三种不同读书方法。弗朗西斯·培根(Francis Bacn)是英国文艺复兴时期散文家、哲学家。英国唯物主义哲学家,实验科学的创始人,是近代归纳法的创始人。
    古代希腊哲学家认为世间除了常见的水、火、土、气等四种物质外,还存在第五种物质 (quinta essential),第五种物质是万物之精华,弥漫在所有其他物质中,是将四种物质有机组合的最重要因素。essential 词源义为“本质的”。
    essential adj
    必不可少的;最重要的 extremely imprtant and necessary (vital) ;本质的:Sun and water is / are essential t the grwth f crps.The wrds are essential fr everybdy t learn English.① it is essential + that ... (shuld) d sth:It is essential that yu get a visa befre yu travel t the USA.② it is essential fr sb t d sth:It is essential fr high-new technlgy enterprises t strengthen cmpetitive pwer.【词汇拓展】essentially adv 本质上;根本上 (basically)
    看到上面两幅图,大家很容易想到风能和太阳能,这些自然能源即为“替代能源”(alternative energy)。此时,alternative 译为“可替代的”。
    alternative adj [只用于名词前] 可供替代的;可供选择的 that yu can use, d, etc. instead f sth else:an alternative methd f learning The way was blcked, s we went by an alternative rad.  非传统的;另类的 different frm what is usual r traditinal:an alternative lifestyle alternative energy 替代能源(指太阳能、风能、水能等)alternative n [C] 选择;供选择的东西:Minibuses with seats fr 12 passengers ffer an alternative t expensive taxis and crwded public transprt.
    have n alternative but t d sth 除了做某事别无选择:I had n alternative but t reprt him t the plice.【拓展】alternatively adv[引出第二种选择或可能的建议] 二者选一地;或者:I culd cme t yur huse, r alternatively we culd meet in twn.
     三个词中,alternative 最正式,chice 较 ptin 稍非正式。 ptin, chice 或 alternative 均可表示可选择的事物。 alternative 较常用以指两个选择,后可接介词 t:Yu can be paid in cash weekly r by cheque mnthly; thse are the tw alternatives. 表示选择权或选择的自由时最常用 chice,有时也可用 ptin,但通常不用 alternative:D I have a chice f what clr t paint my rm? ptin 也指计算机程序里的选项、选择。
    【辨析】alternative, chice, ptin
    注:rt 由植物等的“根”,衍生到问题的“根源 ”。
    Tree rts 树根
    rt cause 根本原因
    n [C] 根;根源;起源;词根:tree rtsMney is ften said t be the rt f all evil.After 20 years in America, he still feels his rts are in China.Mdern pp music has its rts in the flk sngs f black Americans.Wrds ften cme frm the same rt.vi & vt(使)生根;(使)扎根:With mther’s wrds deeply rted in my sul, I never dubted we wuld succeed.rt up 连根拔起
    前缀 ex- 意为“ut”, 因此以此类词缀开头的单词大多都含有 _________之意。
    ex- + tens (t stretch) + -in → extensin n ex- + tract (t draw) → extract v ex- + prt (t carry) → exprt v ex- + it (t g) → exit n ex- + pand (t spread, stretch) → expand v ex- + press (t press) → express v ex- + pect (t lk) → expect v ex- + pse (t place) → expse v
    扩展;扩大;(使)膨胀
    使暴露;揭露;使面临;使接触
    形容词后缀-y 可加在名词后构成形容词,意为“充满……的 (full f)”或“有……特质的 (characterised by)”。
    salt(盐)+ -y → salty adj water(水)+ -y → watery adj smke(烟)+ -y → smky adj mud(泥)+ -y → muddy adj bld(血)+ -y → bldy adj rse(玫瑰)+ -y → rsy adj silk(丝绸)+ -y → silky adj sleep(睡眠)+ -y → sleepy adj
    充满水的 / 与水有关的
    烟雾弥漫的 / 冒出大量烟的
    1. Sme bks are t be tasted, thers t be swallwed, and sme few t be chewed and digested. 2. The wrds are essential fr everybdy t learn English.3. I had n alternative but t reprt him t the plice.
    写出下列句子中画线部分的汉语释义。1. They are hping t get an extensin f their lan. ___________ 2. We’re building an extensin t ur huse. ___________3. When yu call, ask fr extensin 3276. ___________
    写出下列句子中画线部分的汉语释义。1. Cheese desn’t digest easily. ___________2. They learn well but seem t need time t digest infrmatin. ___________3. All this has upset me. I need time t digest it all. ___________4. I read nly this digest f the nvel.___________5. The president started reading the press digest ver breakfast.___________6. Prridge(粥)is gd fr digestin. ___________7. It can be said that happiness is a kind f attitude, feeling and digestin. ___________
    将下列句子译成英语。1.均衡的饮食对于健康至关重要。___________________________________________2. 我们必须尽快作出决定。___________________________________________3. 提前预定是有必要的。___________________________________________
    A balanced diet is essential fr gd health.
    It is essential that we make a decisin as sn as pssible .
    It is essential t bk in advance.
    一、写出下列句子中画线部分的汉语释义。1. The disappearance f dinsaurs is nt necessarily caused by astrnmical(天文的)incidents. But alternative explanatins are hard t find.(2017 江苏)___________2. I was a student wh went n alternative break trips, and had my life ttally transfrmed by that experience.(2011 天津)___________
    二、根据所给汉语,用适当的词块完成下列句子。1. If we expect peple t give up the habit f driving, we must give them ___________________________(他们能够信赖的替代物). (2014 山东)2. D yu have ______________________________________ (解决这个问题的其他方法)in yur mind?3. Facing energy crisis, mre new __________________________(替代能源)is needed t search fr. 4. I’m afraid ______________________________________(我别无他法,只有让你离开).5. __________________________(除了咖啡有没有其他选择)n the menu? (n)
    an alternative they can rely n
    an alternative methd f slving the prblem
    alternative energy
    Is there an alternative t cffee
    I have n alternative but t ask yu t leave
    一、写出下列句子中画线部分的汉语释义。1. Tree rts drink a lt f water, s remember t water what yu plant. ________2. “Press” is the rt f “impress”, “express”, “depress” and “pressure”. _______3. We need t get t the rt f the prblem befre we can slve it.(2015 天津)_________4. Desert elephants seldm rt up trees and break fewer branches, and thus maintain what little fd surces are available. _________二、根据所给词块,将句子译成英语。爵士乐起源于美国南部各州的民歌。(has its rts in sth)_____________________________________________________________
    Jazz has its rts in the flk sngs f the suthern states f the US.

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