Unit5WorkingtheLandVocabulary(2)課件-高中英語人教版選擇性

Unit5Vocabulary(2)Learningobjectives1.TolearnsomenewwordsinUnit5.(Fromextensiontoaspect)2.Tolearnsomeusagesofthekeywords.PronunciationPART01UsagesPART02extensionn

[C]&[U]延伸；擴(kuò)大；延長期：Thewirehasanextensionof50feet.Theextensionofthegardenwilltakeseveralweeks.擴(kuò)建部分:Thecityisbuildinganextensiontothesubwayline.分機(jī)；分機(jī)號碼：Extension326,please!建筑物的延伸部分的延伸部分extend

v.伸長;擴(kuò)大;擴(kuò)展;延長chemical

adj.與化學(xué)有關(guān)的;化學(xué)的

n.化學(xué)制品;化學(xué)品[C]+schemist

n.化學(xué)家;藥劑師[C]+schemistry

n.化學(xué)[U]PPT模板:///moban/nutritionaladj.營養(yǎng)(物)nutritious

adj.有營養(yǎng)的;營養(yǎng)豐富的nutritionn.營養(yǎng);滋養(yǎng)1)Freshvegetablesareverynutritious.2)Cookingvegetablesreducestheirnutritionalvalue.3)Lastandmostimportant,chickenhasahighnutritionalvalue.alleviatevt./n.減輕;緩解

alleviatepain1)Anumberofmeasureswillbetakentoalleviatetheproblem.2)Theorganizationworkstoalleviateworldhungeranddisease.povertyn.貧窮;貧困pooradj.貧窮的;貧瘠的;可憐的;粗劣的

liveinpoverty:生活在貧困中1)60%ofthepopulationislivingatorbelowthepovertyline.2)Theoldwomanendedherdaysinpoverty.widespreadadj.分布廣的;普遍的;廣泛的合成詞：wide+spread1)Theplanreceivedwidespreadsupportthroughoutthecountry.2)Thiswarhascausedwidespreadhumansuffering.inturn相應(yīng)地;轉(zhuǎn)而;依次;輪流inone'sturn輪到某人；接著taketurnsdoing/todo...輪流做……Itisone'sturntodosth.輪到某人干某事inreturn作為回報

vi&vt消化：digestfood

Thisfooddigestswell/ill.

vt理解；領(lǐng)會：AsFrancisBacononcesaid,“Somebooksaretobetasted,otherstobeswallowed,andsomefewtobechewedanddigested.”n

[C]摘要；文摘?digestionn[U]&[C]［常用單數(shù)］消化；消化能力digestv.知識拓展Somebooksaretobetasted,otherstobeswallowed,andsomefewtobechewedanddigested.書有可淺嘗者，有可吞食者，少數(shù)則須咀嚼消化。這句話出自弗朗西斯·培根的《培根隨筆》。原句為：書有可淺嘗者，有可吞食者，少數(shù)則須咀嚼消化。換言之，有只需讀其部分者，有只須大體涉獵者，少數(shù)則須全讀，讀時須全神貫注，孜孜不倦。指出了“粗讀、泛讀、精讀”三種不同讀書方法。弗朗西斯·培根（FrancisBacon）是英國文藝復(fù)興時期散文家、哲學(xué)家。英國唯物主義哲學(xué)家，實驗科學(xué)的創(chuàng)始人，是近代歸納法的創(chuàng)始人。

essentialadj.完全必要的;極其重要的

beessentialto/forsth.對某物來說極其重要

itisessentialtodosth.做某事使完全有必要的

itisessentialthat……完全有必要1)Moneyisnotessentialtohappiness.2)Experienceisessentialforthisjob.3)Itisessentialthat

youhavesomeworkexperience.【詞匯拓展】essentiallyadv本質(zhì)上；根本上

alternativen.可供選擇的事物

adj.可供替代的;非傳統(tǒng)的analternativeto(doing)sth……的替代品(to是介詞）havenoalternativebuttodosth.除了做某事之外別無選擇1)WehavenoalternativebuttofireDavid.2)Youcanpayincashorbycheck.Thosearethetwoalternatives.3)Doyouhaveanalternativesolution除了做某事外別無選擇；只好做某事__________________________________________havenoalternative/choice/optionbuttodosthinstance

n.例子;實例;事例

forinstance例如，比如inthisinstance在這種情況下，在這一點

inthefirstinstance/place第一;首先setanexample/instanceto/forsb:為…樹立榜樣take…forexample/instance:以…為例take…asanexample/instance:以…為例depth

n.向下(或向里)的距離;深(度)

atthedepthof…在…的深度

indepth全面，深入，詳細(xì)

beoutofone’sdepth非某人所能理解；為某人力所不能及deep:adj.深的;縱深的deeply:adv.非常;深深地deepen:v.(使)變深;加深root注：root由植物等的“根”，衍生到問題的“根源”。Treeroots樹根rootwords詞根rootcause根本原因rootn[C]根；根源；起源；詞根：treerootsMoneyisoftensaidtobetherootofallevil.After20yearsinAmerica,hestillfeelshisrootsareinChina.Wordsoftencomefromthesameroot.vi&vt（使）生根；（使）扎根Withmother’swordsdeeplyrootedinmysoul,Ineverdoubtedwewouldsucceed.rootup連根拔起名詞動詞化rootin扎根于…entirelyadv.全部地;完整地;完全地entire:adj.全部的;整個的;完全的one’sentirelife某人的一生ane