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1、U4(选修六)1.dependon/upon+n依靠,依赖,确(坚)信Youcan’tdependonyourparentsforever.dependon/upon+sb.+todo指望某人做……Youcan’tdependonhimtocomeontime.dependon/upon+it+that….指望…..Youmaydependonitthathewillcome.dependon/upon+wh-从句 Whetheryoucanpasstheexamdependsonhow hardyouwork.That(al
2、l)depends./italldepends.(口语)视情况而定，Imayhelpyou.Butthat/itdepends.2.light1)n.光,线,灯2)v.照亮,点燃-----lit(lighted）-----lit(lighted）Helitamatch.他划着了一根火柴。Asmileoftriumphlitupherface.她的脸上闪耀着胜利的微笑。Thematchlightseasily.这火柴容易划着3)adj.Thesuitcaseisverylight.（轻的）Therewasalightrainfal
3、ling.（蒙蒙细雨）·heavyrain/raincatsanddogs倾盆大雨Heisalightsleeper.他睡不沉。（易醒的）3.heatv./heatup是某物变热或变暖heatedadj.热的激烈的heateddebate,heateddiscussionheatedlyadv.愤怒地激昂地heater加热器发热器4.consumev.----consumer (n.).1消耗,花费;耗尽Sheconsumedmostofhertimeinreading.2吃完,喝光Thekidssoonconsumedallt
4、hefoodonthetable.孩子们一会儿功夫便把桌上的食品全部吃光。3使全神贯注,使着迷+withTheboywasconsumedwithcuriosity.那男孩充满好奇心。5.as…asonecan=as…aspossiblePleasecomehereassoonaspossible.=Pleasecomehereassoonasyoucan..asmanyas多达aslongas长达,只要asfaras远至,就…而论aswellas和…一样好,也,和asearlyas早在6.对比：Ourfoodsupplyhas
5、givenout.Hismoneysoonranout.Wearerunningoutofourtime.Ihaverunoutofmyoil.Allhissavingshavebeenusedup.7.Trapvt.陷入/n.陷阱圈套Theyfinallytrappedthemouseinacage.最后，他们用笼子把老鼠逮着了。Thepolicesetatrapforthethieves.Shewastrappedintheburninghouse.8.keep….from….远离.. stop….(from)….停止..
6、 prevent…(from)….阻止...Youshouldcleanyourroomtokeepitfromgettingdirty.你应该打扫房间以保持干净。Keepdoing继续keepout挡住使进不去keepupwith跟上9Whatdoyouthinkgreenhousegasesdo?你认为温室气体有什么作用呢? ▲本句中think后接了一个由what引导的宾语从句。但应注意的是：特殊宾语从句即当一般疑问句主句的谓语动词是think,believe，suppose，consider,imagine，guess和
7、suggest等时，表疑问的词要放在主句前即句首。例如：[正]Whodoyouthinkwillwininthegame?[误]Doyouthinkwhowillwininthegame?当然一般情况下宾语从句的疑问词应放在主句之后，例如：[正]Doyouknowwhywecan'tcutdownthebigtree?[误]Whydoyouknowwecan'tcutdownthebigtree?whencomparedtoothernaturalchanges是一个省略的时间状语从句，其完整的形式应该是Whenitiscomp
8、aredto…; 在时间、地点、条件、方式或让步状语从句中，如果从句和主句为同一主语，或者从句的主语是it,而且从句中的谓语动词时动词be或含有助动词be，可省略主语和be如：If(itis)so,youmustgetbackandgetit.Although(
