高中英语必修一unit4黑体单词及短语讲解

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1、Unit4WordsandExpressions1.rightaway立刻；马上例句：警察马上就要来了。Thepolicewillbehererightaway.atonce立刻；马上rightnow现在；立刻immediatelyadv.立刻；马上2.burstvi.(burst---burst---burst)爆裂；爆发burstin/intoadoor/room/building突然进入门/房间/大楼①他没有敲门就突然进入房间.Heburstintotheroomwithoutknockingatthedoor.burstintosth.=burstoutdoing突然…起

2、来Theplanecrashedandburstintoflames.②飞机坠毁起火了.Allofthemburstoutlaughing/crying/singing.③他们全都突然笑起来/哭起来/唱起来.=Allofthemburstintolaughter/tears/songs.burstout+v-ing:suddenlybegindoingsth扩展:burstintoleafbursintoflower长出叶子开花n.aburstof...一阵...aburstoflaughter/thunder/applause(欢呼）①Itseemedasiftheworldw

3、asatanend.世界似乎到了末日。3.asif=asthough好像…②Shespoketomeasifsheknewme.她和我说话的神情，好像她早就认识我似的。1)虚拟语气（说话者主观想象或夸大的比喻）▲与现在事实相反，从句用一般过去式与过去事实相反，从句要用完成式Whenapencilispartlyinaglassofwater,itlooksasifitwerebroken．①当铅笔一部分放进水里，看起来好像折断了似的。asif后的从句可用两种语气2)陈述语气,时态一致Itlooksasifit`sgoingtorain．②看样子天要下雨了。(陈述语气)（是事实或可

4、能性很大）②他吓得直打哆嗦，就好像看见了鬼一样。Hewasshakingwithfrightasifhehadseenaghost.4.atanend=finished结束，终结（作表语）★Wewereveryhappywhentheworkwasatanend.Compare:attheendofbytheendofintheend★attheendof“在…尽头；在…末”★bytheendof“到/截止……末”；主句一般用完成时★intheend意思“最后、终于”=atlast/finally①Washyourhands_______________theexperiment

5、.②HowmanyEnglishwordshadyoulearned____________lastterm?③Hetriedvariousjobsand________becameateacher.attheendofbytheendofintheendbring/putanendto使终止cometoanend结束endupwith以….而告终其他词组：①Thejobcametoanendlastmonth.②她的忽然来到使他们的会议终止了。Hersuddenarrivalputanendtotheirmeeting.③在宴会上，开始的一道菜通常是汤，最后的一道是水果。Att

6、hedinnerweusuallybeginwithsoupandendupwithfruit.ruinn.废墟；毁灭例句：我们看到了那座教堂的废墟。Wesawtheruinsofthechurch.Vt.毁灭；使破坏暴风雨毁坏了庄稼。Thestormruinedthecrops.inruins荒芜的,成为废墟一般用作表语或状语lie/beinruins成为废墟Anearthquakeleftthewholetowninruins.Hiscareerisinruins.6.injurevt.损害；伤害①他打篮球时膝盖受伤了。Heinjuredhiskneewhen(hewas)p

7、layingbasketball.②撞车事故中有三人死亡，五人受伤。Threepeoplewerekilledandfiveinjuredinthecrash.injuryn.损害；伤害injuredadj.受伤的7.destroyvt.破坏；毁坏；消灭①这场火灾毁坏了整个森林。Thefiredestroyedthewholeforest.②他所有的希望都破灭了。Allhishopesweredestroyed.Thestorm_________buildingsandcrops