高二必修五教学课件.doc

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1、Unit1Greatscientists1.characteristic①n.aqualityorfeatureofsth.orsomeonethatistypicalofthemandeasytorecongnize.特征；特性WhatcharacteristicsdistinguishtheAmericansfromtheCanadians.②a.verytypicalofaparticularthingorofsomeone’scharacer典型性的，Suchbluntnessischaracteristicofhim.Windydaysarecharacteristico

2、fMarch.[辨析]characteristic与charactercharacteristic是可数名词，意为“与众不同的特征“character表示（个人、集体、民族特有的）“性格、品质”，还意为“人物；文字”Whatyouknowabouthimisn’thisrealcharacter.2.putforward:tostateanideaoropinion,ortosuggestaplanorperson,forotherpeopletoconsider提出Heputforwardanewtheory.Theforeignershaveputforwardaproposa

3、lforajointventure.AninterestingsuggestionformeasuringtheatmospherearoundMarshasbeenputforward.☆puton穿上;戴上;增加putout熄灭(灯);扑灭(火)putupwith…忍受putdown写下来;放下；putoff耽误;延期putup建立;建造,putup举起，搭建，粘贴3.analyze:toexamineorthinkaboutsomethingcarefullyinordertounderstanditvt.分析结果、检讨、细察Acomputeranalysesthephoto

4、graphssentbythesatellite.TheearthquakeexperttriedtoanalyzethecauseoftheearthquakeoccurredonMay12,2008.Let’sanalyzetheproblemandseewhatwentwrong.Heanalyzedthefoodandfoundthatitcontainedpoison.Wemusttrytoanalyzethecausesofthestrike.☆analysisn.分析，解析，分解4.conclude:decidethatsth.istrueafterconsideri

5、ngaltheinformationyouhave得出结论；推论出toendsth.suchasameetingorspeechbydoingorsayingonefinalthingvt.&vi结束，终止；Weconcludedthemeetingat8o’clockwithaprayer.Fromhisappearancewemaysafelyconcludethatheisaheavysmoker.Whatdoyouconcludefromthesefacts?Weconcludetogoout/thatwewouldgoout.conclusionn.结论arriveata

6、conclusion;cometoaconclusion;drawaconclusion;reachaconclusionWhatconclusiondidyoucometo/reach/draw/arriveat?Fromthesefactswecandrawsomeconclusionsabouthowthepyramidswerebuilt.1.defeat①vt.towinavictoryoversomeoneinawar,competition,gameetc.打败，战胜，使受挫I’vetriedtosolvetheproblem,butitdefeatsme!Ourte

7、amdefeatedtheirsinthegame.②n.失败，输failuretowinorsucceedThismeansadmittingdefeat.Theyhavegotsixvictoriesandtwodefeats.[辨析]win,beat与defeat①win“赢得”赛事、战事、某物；后接人时，意为“争取赢得…的好感或支持；说服”②beat“战胜”“击败”比赛中的对手，可与defeat互换Webeat/defeatedtheirteamby10sco