Unit5WorkingtheLand1．devotevt.把……献(给)；把……专用于；专心于→devotedadj.忠诚的；深爱的→devotionn．奉献；忠诚2．shortadj.短的；不足的；短期的→shortagen．不足；缺少；短缺→shortenvt.使变短3．charactern．性情；(小说、戏剧中的)人物；角色→characteristicn．特征；特点；品质adj.典型的；独特的4．conventionn．常规；习俗；惯例→conventionaladj.传统的；习惯的5．assumev．假定；设想→assumptionn．假定；设定；(责任的)承担；(权利的)获得6．realadj.真的→reallyadv.真正地；实际上→realityn．现实；实际情况；事实7．saltn．盐→saltyadj.含盐的；咸的1．boostvt.使增长；使兴旺n．增长；提高；激励①Thesechangeswillhelptoboostfoodprices.vt.使增长②Thishasgivenclothingpricesabigboost.n．增长③Thismeasurewillbeagreatboosttotheeconomy.n．激励2．expandvt.&vi.扩大；增加vt.扩展；发展(业务)①Theranksoftheteachersareconstantlyexpanding.vi.扩大；增加②Themerchantwantstoexpandhisbusiness.vt.扩大③Thewriterexpandedhisshortnovelintoalongone.vt.扩展3．estimatevt.估计；估价；估算n．估计；估算①Thepainter'sestimateforpaintingthewholehousewas1，000dollars.n．估计；估价②Thispaintingisestimatedat$200­$300.vt.估价③Heestimatedthespeedofthewindsfromthedegreeofdamage.vt.估算4．characteristicn．特征；特点；品质adj.典型的；独特的①Thetwospecieshaveseveralcharacteristicsincommon.n.特征；特点②Irecognizedhischaracteristicwalk.adj.典型的；独特的③Independenceistheoutstandingcharacteristicofarunner.n.品质WordsAndPhrases知识要点1devotevt.把……献(给)；把……专用于；专心于(教材P)Indeed,hisslimbutstrongbodyisjustlikethatofmillionsofChinese50farmerstowhomhehasdevotedhislife.事实上，他瘦削但结实的身躯看起来和农民一样，而他为千千万万中国农民奉献了一生。[例1]Weshoulddevoteeverythingwehave.我们应该奉献我们的一切。[例2]Hedevotedagreatsumofmoneytobooks.他花了一大笔钱买书。[翻译]他将一生奉献给了教育事业。Hedevotedhimselfentirely/allhislifetoeducation.[知识拓展](1)devote...to(doing)sth.把……献给(做)某事devoteoneselfto＝bedevotedto献身于；专心致力于(2)devotedadj.忠实的；深爱的(3)devotionn.奉献；关爱[即学即练]——单句语法填空①Hisdevotion(devote)tothecauseofeducationiswell­known.②QianXuesenhasbeendevotedtoChina'saerospaceallhislife.③Neighborsdevotedtheirsparetimetohelping(help)othersrebuild.[小片段填空]Hecouldonlydevotetwohoursadaytotheproject,buthisdevotiontodutyisworthrespecting.他一天只能在这个项目上花两个小时，但他忠于职守是值得尊敬的。知识要点2convincevt.使相信；使确信；说服(教材P)Yuanwasconvincedthattheanswercouldbefoundinth