1.Unit 2-知识导航课件

Unit2Amazingmumbers知识导航核心单词名词1.(尤指乘飞机的)航程

_____________2.日程安排

_____________

3.奖赏;奖励

_____________4.国际象棋棋盘

_____________5.银

_____________flightscheduleprizesilverchessboard核心单词名词6.犹豫_____________7.百分之……_____________8.预算_____________9.省份_____________10.系统_____________11.符号;记号_____________hesitationpercentbudgetprovincesystemsymbol核心单词动词12.向(某人)挑战

_____________13.承诺；保证

_____________14.回复；答复

_____________15.想知道；琢磨

_____________16.同意；赞成

_____________17.检查；核查

_____________18.计算(或清点)总数

_____________19.代表_____________challengepromisereplywonderagreecheckcountrepresent核心单词副词20.到处；各个地方

_____________21.目前；当前

_____________22.急剧地；突然大幅度地

_____________23.准确地；确切地_____________everywherecurrentlysharplyexactly一、词性转换1.flightn.（尤指乘飞机的）航程—①flyv.飞行②flyingadj.能飞的n.飞行2.challengev.向（某人）挑战—①challengern.挑战者②challengingadj.有挑战性的3.promisev.承诺；保证—promisingadj.有希望的；有前途的4.silvern.银—silveryadj.银色的；闪着银光的5.hesitationn.犹豫—①hesitatev.犹豫②hesitantadj.犹豫的6.wonderv.想知道；琢磨—①wonderfuladj.精彩的②wonderfullyadv.令人惊奇地7.agreev.同意；赞成—①agreementn.同意；协议②disagreev.不同意；有分歧

③disagreementn.意见不合；分歧8.currentlyadv.目前；当前—①currentadj.目前的；当前的②currencyn.货币9.sharplyadv.急剧地；突然大幅度地—①sharpadj.急剧的；锋利的

②sharpenv.使提高；使锋利10.countv.计算（或清点）总数—①countableadj.可数的②uncountableadj.不可数的③countlessadj.无数的

④countern.柜台；计算器⑤discountn.折扣v.打折扣11.systemn.系统—①systematicadj.系统的②systematicallyadv.系统地

12.symboln.符号；记号—①symbolicadj.作为象征的②symbolizev.象征；代表13.representv.代表—①representationn.代表；表现②representativen.代表；代销人adj.有代表性的14.exactlyadv.准确地；确切地—exactadj.准确的；确切的二、一词多性1.schedulen.日程安排v.为……安排时间2.challengev.向（某人）挑战n.挑战3.promisev.承诺；保证n.承诺；诺言4.silvern.银adj.银色的；银制的；银质的5.replyv.&n.回复；答复6.wonderv.想知道；琢磨n.惊奇；奇迹7.checkv.&n.检查；核查8.budgetn.预算v.把……编入预算9.countv.计算（或清点）总数n.总数1.在日常生活中______________________2.航班时刻表______________________3.价格标签______________________4.很久以前______________________5.向某人挑战某事______________________6.赢得比赛______________________7.片刻；一会儿______________________8.一粒大米______________________重要词组indailylifeflightschedulepricetagalongtimeagochallengesbtosthwinthegameforamomentonegrainofrice9.将数量翻倍__________________________10.毫不犹豫__________________________11.很长一段时间__________________________12.命令某人做某事__________________________13.等等；诸如此类__________________________14.意识到问题__________________________15.承诺做某事__________________________16.向某人寻求建议__________________________17.盈利；赚钱__________________________doubletheamountwithouthesitationforalongtimeordersbtodosthandsoonrealizetheproblempromisetodosthasksbforadvicemakeaprofit18.采取某人的建议______________________19.一年到头；全年______________________20.最终；及时______________________21.上升______________________22.下降______________________23.在古代______________________24.写下；记下______________________25.代替；作为……的替换______________________26.变成______________________followone'sadviceallyearroundintimegoupgodowninancienttimeswritedowninsteadofturninto1.很久以前，印度有位国王。(alongtimeago)______________________________________________________________2.有一天，一位充满智慧的老人来到皇宫，国王向他发起了挑战。(challengesbtosth)____________________________________________________________________________________________________________________________重点句子Alongtimeago,therewasakinginIndia.Oneday,awiseoldmancametothepalaceandthekingchallengedhimtoagame.3.如果我赢了这场比赛，我想要的是在棋盘的第一格上放一粒大米……(onegrainof)____________________________________________________________________________________________________________________________4.难道你不想要黄金或白银来代替(大米)吗？(instead)______________________________________________________________IfIwinthegame,I'dlikeonegrainofriceforthefirstsquareofthechessboard…Wouldn'tyoulikegoldorsilverinstead？

5.最终，老人获胜了，于是国王命令士兵们收集来一袋米。(ordersbtodosth)____________________________________________________________________________________________________________________________6.多亏了阿拉伯人，这种数字书写方式传播到了欧洲乃至全世界。(thanksto；spreadto)____________________________________________________________________________________________________________________________Finally，theoldmanwon，sothekingorderedhismentocollectabagofrice.ThankstotheArabs，thiswayofwritingnumbersspreadtoEuropeandacrosstheworld.7.罗马数字曾经是欧洲最常见的数字书写方式。(usedtobe)____________________________________________________________________________________________________________________________8.但是罗马数字不像阿拉伯数字那么常见，或许是因为它们太难用了！(too…to…)_________________________________________________