高一英语3学案：课堂探究SectionⅡ

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精课堂探究1．Asaresultofthisevent，agreatdustcloudformedintheskyblockingoutthesunlight.正因为这一事件，天空中形成了一团巨大的尘云，挡住了阳光。考点：blockout挡住，遮住（光线和声音)；忘掉，抹去（不愉快的事）①Thevolcanicashblockedoutthesun。火山灰挡住了太阳。②Anuglybuildingblockedouttheviewfromthewindow.一座难看的大楼把窗外的景物遮住了。③Itrytoblockouttheunpleasantexperience.我尽力去忘记那段不愉快的经历。考点延伸阅读下列句子，指出block的词组及含义。④Variousbarricadesblockoffallthemainstreetsofthecity。各种路障封锁住了城里所有的主要道路.词组：____________含义：____________⑤Thetrafficisveryheavyandhasbeguntoblockupthestreets。交通很拥挤,已经开始把街道阻塞了。词组：____________含义:____________⑥Mynoseisblockedupwiththecold.由于感冒，我的鼻子不通气。词组：____________含义:____________⑦Wefoundthatabigelephantblockedourway.我们发现一头大象挡住了去路.词组：____________含义:____________即学即用用blockout，blockup，blockone’sway，blockoff填空（1）Youcan’tleavethevillage.Allthestreetsare______.（2)Apieceofrockhasfallenand______.Wehadtostop.（3）Overtheyearsshehadtriedto______thatpartofherlife.（4）Thispipe（管子)is______.Thereisapieceofwoodinit.2．Grammar：主语从句（1)主语从句的定义：在复合句中起主语作用的句子称为主语从句.(2）主语从句在句中作主语，有以下两种结构：A．主语从句位于句首用“[]"号画出下列句子的主语从句，并译成汉语①Whathedidintheearthquakemovedeverybody。翻译：______________________________________________________________他在地震中做的事感动了每一个人.②Whosecarrunsfastershouldbetested。翻译:_______________________________________________________________谁的车跑得更快应该被测试一下。③Whokeptthedooropenallnightwasunknown.翻译：________________________________________________________________谁让门整夜开着，没人知道.B．主语从句位于句尾，要用it作形式主语用“［]”号画出下列句子的主语从句,并译成汉语④Itisreportedthattherainwillstoptomorrow.翻译：________________________________________________________________据报道,明天雨会停。⑤Itiscertainthatthewholeworldwillwinthevictoryoftheanti­terrorism.翻译：________________________________________________________________全世界一定会取得反恐的胜利.⑥Itisapitythathedidn'tcometotheparty.翻译：________________________________________________________________可惜的是他没来参加晚会。⑦IthappenedthatIwasoutthatday.翻译：________________________________________________________________碰巧那天我不在。⑧Isittruethatthescientistwillgiveusalecturenextweek？翻译：________________________________________________________________那位科学家下周要来给我们作报告,这是真的吗?（3)主语从句的连接词可以分为以下三类：A．that，whether/if连接词that本身没有意义，不作句子成分，只表示从句的开始,位于句首时that不能省略；whether/if含有“是否”的意思。语法填空⑨______youdon’tlikehimisnoneofmybusiness.⑩______wecancontrolthefloodsisstilluncertain.（我们是否能控制洪水，目前还不肯定.)Itdoesn'tmatter______shewillcomeornot.(她是否会来并不要紧。）B．连接代词what,who(m），which，whose，除了引导主语从句之外,还在从句中分别作主语、宾语、表语或定语；连接副词when，where，why，how,除了引导主语从句之外，还在从句中作状语。翻译下列句子，并说明引导词在从句中充当的成分Whowilldoitdoesn’tmatter。翻译:________________________________________________________________Whatweneedismorewater.翻译：________________________________________________________________Whenwestarttheworkisanimportantquestion。翻译：________________________________________________________________C．whatever，whoever，whomever,whichever与what，who（m），which的用法一样，只是具有较强的语意,含有“凡是，不管，无论”等含义。翻译句子Whateverhesaidwasn’ttrue.翻译：__________________________________________________________________Whicheverbookyouchooseisyours。翻译：__________________________________________________________________（4）主语从句应注意的几个问题A．主语从句总是使用陈述语序单句改错Whenwillwestarthasn'tbeendecided.________________________________________________________________________Whatdoyouneedarefoodandwater.________________________________________________________________________B．主语从句的主谓一致a．含有主语从句的句子，主句谓语动词多用单数形式。b．含有what引导的主语从句的句子，主句的谓语动词有时与表语保持一致。c．有两个引导词引导的主语从句若表示一件事情，主句谓语动词应该用单数形式；若表示两件事情，主句谓语动词应该用复数形式。语法填空Whyhedidn’tcometothemeeting______（be）aquestionweshouldmakeclear.Whathesaidatthemeeting______（be）veryimportant.Whowillholdthemeeting______（have)beendecided。WhatIwant______（be）anewbicycle。Whatmymotherbought______（be）somebooks.Whenandwherehewasborn______(be）notclear。Whatcausedtheaccidentandwhowouldberesponsibleforit______（have）notbeenfoundout。C．it作形式主语和it引导强调句的比较强调句型：Itis/was。。。that...从形式上看，与it作形式主语的句型“Itis/was..。that"很像，但二者有本质的区别,判断关键：如把句中的Itis/was和that去除，句子成分仍然完整,说明该句为强调句型，否则则为主语从句。判断句子类型并译成中文Itisapitythathecan'tgowithus。句子类型：_____________________________________________________________翻译:_________________________________________________________________ItwasinParisthattheymetforthefirsttime.句子类型：_____________________________________________________________翻译：_________________________________________________________________D．在“Itissaid/believed/reportedthat。。。"“Ithappens/occursthat。..”“Itdoesn'tmatterthat。。。”中that引导的主语从句不可提到句首.判断句子正误（）ItissaidthatthePresidentwillvisitthatcountrynextweek.（）ThatthePresidentwillvisitthatcountrynextweekissaid.

参考答案1．④blockoff封锁，封闭⑤blockup阻塞，塞住⑥blockup封住（孔，洞）⑦blockone'sway挡住某人的路即学即用：（1）blockedoff（2）blockedourway(3）blockout(4）blockedup2．①[Whathedidintheearthquake］movedeverybody。②［Whosecarrunsfaster]shouldbetested。③［Whokeptthedooropenallnight］wasunknown.④Itisreported［thattherainwillstoptomorrow]．⑤Itiscertain［thatthewholeworldwillwinthevictoryoftheanti.terrorism]．⑥Itisapity［thathedidn'tcometotheparty]．⑦Ithappened［thatIwasoutthatday]．⑧Isittrue［thatthes