Unit 5 Words and expressions 重點(diǎn)單詞講解課件- 高中英語人教版（2019）選擇性必修第一冊

UNIT5

Work

theLand

耕種土地

WordsandExpressions1.devote:vt.togivetime/money/energyto把…獻(xiàn)(給);把…專用于;專心于devotion:n.奉獻(xiàn);忠誠;專心devote...to...:把…用于;獻(xiàn)身;致力;專心bedevotedto:致力于…;專心于…;被用在什么上1)Shedecidedtodevotetherestofherlifeto

thescientificresearch.2)Theyhavedevotedthemselvestofightingpoverty(貧困).3)Indeed,hisslimbutstrongbodyisjustlikethatofmillionsofChinesefarmers,to

whomhehasdevotedhislife.2.tackle:vt.tosolveorsettle,dealwith解決(難題);應(yīng)付(局面);處理1)InthelastfortyyearstheChinesegovernmenthasmadegreatcontributionsto

tacklingpovertyinChina.2)Therearefourdifferentwaystotackle

theproblem.3)However,whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortage

offoodtoeat.Totacklethiscrisis,hechosetostudyagricultureandreceivedaneducationatSouthwestAgriculturalCollegeinChongqing.3.convince:vt.tomakesb.believeorpersuade使相信;使確信;說服convinced:adj.堅信的;深信的;確信的convincing:adj.令人信服的;有說服力的convincesb.of…:相信convincesbtodo...:說服某人做什么1)Iwilltrytoconvincehimtoseeadoctor.2)You'llneedtoconvincethemofyourenthusiasmforthejob.3)Shesoundedveryconvincingtome(=Ibelievedwhatshesaid).4)Yuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.4.attain:vt.toobtain,getorgain(通常經(jīng)過努力)獲得;得到;達(dá)到(某年齡/水平/狀況)1)Oureconomyhasattainedaveryhighrateofgrowthinspiteofthepandemic.2)Hewillattain105nextmonth.Thegreatfamilyisnowpreparingabigpartyintheirvillage.3)Ahybridisacrossbetweentwoormorevarietiesofaspecies.Onecharacteristicofhybridisthattheyusuallyattainahigheryieldthanconventionalcrops.5.assume:v.假設(shè);獲得;承擔(dān)

assumption:n.假定;設(shè)定;(責(zé)任的)承擔(dān);(權(quán)利的)獲得1)Itisreasonabletoassume(that)theeconomywillcontinuetoimprove.2)Itisgenerallyassumedthatstressiscausedbytoomuchwork.3)Don'talwaysassumetheworst.4)Weareworkingoutascheduleontheassumptionthateveryoneinvitedwillturnup.5)Thecommonassumptionthenwasthatitcouldnotbedone.6.overcome(overcame--overcome):vt.tosucceedindoingsth.ortodefeat克服;解決;戰(zhàn)勝1)Thetwopartiesmanagedtoovercometheirdifferencesontheissue.2)Ingamesoftable-tennisChinaeasilyovercome

itsopponents.3)Throughintenseeffort,Yuanovercame

enormoustechnicaldifficultiestodevelopthefirsthybridricethatcouldbeusedforfarmingin1974.7.estimate:vt./n.toevaluateorassess估計;估價;估算1)Itishardtoestimatehowmanychildrenwilltakepartintheactivity.2)Itisestimatedtheprojectwilllastfiveyears.3)It’sverydifficulttogiveareliableestimate.4)Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains,andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.據(jù)估算，現(xiàn)在中國國內(nèi)消費(fèi)的稻米有大約60%來自袁隆平的雜交水稻相關(guān)的作物，這些作物讓中國農(nóng)民每年能夠生產(chǎn)大約兩億噸稻米。8.consume:v.touseoreat,drinkordestroy消耗;吃;飲;喝;燒毀consumer:n.消費(fèi)者，顧客(CPI:consumerpriceindex)consumption:n.消耗;消耗量;消費(fèi)1)Theelectricityindustryconsumeslargeamountsoffossilfuels.2)Thehotelwasquicklyconsumedbyfire.3)Gasandoilconsumptionalwaysincreasesinwinter.4)Today,itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains,andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.據(jù)估算，現(xiàn)在中國國內(nèi)消費(fèi)的稻米有大約60%來自袁隆平的雜交水稻相關(guān)的作物，這些作物讓中國農(nóng)民每年能夠生產(chǎn)大約兩億噸稻米。9.deepdown:在內(nèi)心深處;本質(zhì)上;實(shí)際上asamatteroffact=infact/effect:實(shí)際/事實(shí)上1)Ihavesomanyfriends,butdeepdown,Ihaveafearofloneliness.2)Deepdown,Ithinktheyarestillafraidofyou.3)Weknowdeepdownthatwewillmakeit.4)Deepdown,Yuanisstillverymuchafarmeratheart.10.extend:v.tomakesth.largerorlonger伸長;擴(kuò)大;擴(kuò)展;延長extension:n.擴(kuò)建部分;

擴(kuò)大;電話分機(jī)1)Theshowhasbeenextendedforanothersixweeks.2)Theyplantoextendtheirresearchinthisfield.3)Atruefriendwillalwaysextendahelpinghandtoyouwhenyou'reinthedepthsofdespair.4)Hebuiltanextensionontohishouse.5)Theshelter,whichcouldprotectupto8,000peoplefromwartimebombs,iscomprisedoftwolargetunnelsthatwereintendedtoonedaybecomeanextensionoftheLondonUnderground.11.essential:adj.extremelyimportantorcrucial,vital完全必要的;極其重要的essence:n.本質(zhì)，精華，要素1)Experienceisessentialforthisjob.2)Itisessentialthat

youhavesomeworkexperience.3)Asforchemicalfertilisers,cropsgrownwiththemusuallygrowtoofasttoberichinnutrition.Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.12.alternative:n.optionorchoice可供選擇的事物adj.usedinsteadoforbeingnottraditional可供替代的;非傳統(tǒng)的alter:v.改變alternate:v.交替(alternateAand/withB)1)Wehavenoalternativebutto