Unit3Themeaningofcolour重点词汇讲解练习（一）重点动词讲解1.sew[课文原句]Theseflagsaremorethanjustcolourfulpiecesofclothandthreadsewntogether.(Page34,Lines1-2)[点拨]sew在句中用作及物动词，意为“缝制，缝补”。再如：Imadethisskirtjustbysewingtwopiecesofmaterialtogether.我把两片材料缝在一起做成了裙子。[拓展]动词sew还可与up连用，构成短语sewsthup或sewupsth，意为“把……缝起来”。如：Anursewillcomeandsewupthatwoundforyousoon.护士很快就会来给你缝伤口的。2.random[课文原句]Theseflagsaremorethanjustpiecesofclothsewntogetheratrandomwiththread.(Page34,Lines1-2)[点拨]random是形容词，意为“随机的；任意的”。常构成短语atrandom，意为“随机；随意”。Hewasnotlisteningandmadearandomanswertotheteacher’squestion.他不在听讲，对教师的问题瞎答一通。Hetookabookatrandom.他随手取了一本书。3.thread[课文原句]Theseflagsaremorethanjustpiecesofclothsewntogetheratrandomwiththread.(Page34,Lines1-2)[点拨]thread在句中作名词，意为“线”。Thegirlisalwaysbusywithherneedleandthread.这个女孩总是忙于针线活。Hewasdefeatedinthedebatebecausehelostthethreadofhisargument.他在辩论中被击败是因为他失去了论证的连续性。[拓展]（1）作名词时还表示“线状物；线索；脉络；思绪；思路；贯穿的主线”。如：athreadofhope一线希望thethreadoflife生命线（2）作动词时，表示“穿针线”。threadaneedle穿针threadbeads穿起珠子Theythreadedcarefullyalongthenarrowpass.他们沿着狭窄的小道小心地穿行。4.fundamentaladj.十分重大的；根本的；基础的；基本的[课文原句]TheFrenchRevolutionledtofundamentalchangesthroughoutthecountry.(Page34,Line7-8)[点拨]fundamental在句中作形容词，意为“十分重大的；根本的；基础的；基本的”。Thefundamentalcauseofhissuccessishishardwork.他成功的根本原因是他工作努力。[拓展]fundamental还可以作名词，“基本原则(或原理)，根本法则(或规律)；纲要”。Inthreedays,shehadlearnedthefundamentalsofcooking.三天之内她就学会了烹调的基本知识。5.abolishvt.废除，废止（法律、制度、习俗等）[课文原句]Manyofthepastwayswereabolished,andthepeoplewonliberation.(Page34,Line8)[点拨]abolish在句中是动词，意为“废除，废止（法律、制度、习俗等）”。如：Badcustomsandlawsoughttobeabolished.不良的习俗和法规应予以废除。AbrahamLincolnabolishedslaveryintheUnitedStates.亚伯拉罕·林肯在美国废除了奴隶制。6.equality[课文原句]Revolution—liberty,equalityandfraternity.(Page34,Line11)[点拨]equality在句中是名词，意为“平等，相等，均等”。Insomecountriesblackpeopledonothaveequalitywithwhitepeople.在某些国家黑人没有和白人同等的权利。[拓展](1)equality的动词形式是equal，意为“比得上，等于”。Nobodycanequalhiminintelligence.没有人在智力方面能比得上他。Threeandfiveequalseight.三加五等于八。(2)形容词形式是equal，意为“相等的，平等的”。Womendemandequalpayforequalwork.妇女要求同工同酬。7.salute[课文原句]InasalutetotheFrenchandtheirrevolution,manycountrieshavechosentousethesamecoloursintheirflagsastheFrenchdid.(Page34,Lines15-16)[点拨]salute在句中作名词，意为“敬礼；致敬”。Theofficersexchangedsalutes.军官们互致敬礼。[拓展]salute在句中作动词，意为“致敬；表示敬意”。Wesalutetheflageverydayatschool.我们在学校每天向国旗行礼。Shanghaipeoplesaluteguestsandfriendsfromallovertheworld.上海人民向海内外宾朋致意。8.rate[课文原句]However,aftertheFrenchandIndianWar,theBritishraisedthetaxratesinAmericatoahighlevelinordertopayfortheconflict.(Page34,Lines23-24)[点拨]rate在句中是名词，意为“比率；率”。Theunemploymentrateisrisinginthatcountry.那个国家的失业率正在上升。[拓展](1)rate作名词，还可表示“速度...
