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1、Unit4Grammar&Speaking& PronunciationLesson12Readthesesentencesandpayattentiontoalthough,because,butorso.1.Bonesareimportantbecausetheyhelpusmovefreely.=Boneshelpusmovefreely,sotheyareimportant.2.AlthoughwegetvitaminDfromfoodlikefishandeggs,wecanalsogetitfromthesun.=WegetvitaminDfromf
2、oodlikefishandeggs,butwecanalsogetitfromthesun.Readthesesentencesandpayattentiontoalthough,because,butorso.3.Bonesarehardontheoutside,butthey’resoftontheinside.=Althoughbonesarehardontheoutside,they’resoftontheinside.although,butconj.although的意思是“尽管，虽然”，用来引导让步状语从句，在一般情况下可以和though互换，但
3、though比较口语化，而although较为正式，另外although的语气比though重。当although/though引导的从句放在句首时，主从句之间要用逗号隔开。but引导的从句多放在主句后。although&butAlthough/Thoughhewastired,hekeptonworking.虽然他已经累了，但仍然继续工作。HeoftenhelpsmewithmyEnglishalthoughheisquitebusy.尽管他相当忙，但是还常常帮我学英语。HisofficeisinNewYork,butheisoftenaway.他的办公室在纽
4、约，但他经常不在。注意：although和though引导的从句不能与but连用，但可以互换。如：Althoughwearepoor,wearestillhappy.=Wearepoor,butwearestillhappy.我们虽然穷，但是活得很开心。Wecanusealthough/thoughatthe_______________(beginning,end)orinthe_______________(middle,end)ofasentencetointroduceaclauseandwecanusebutinthe___________(middl
5、e,end)ofasentence.beginningmiddlemiddle()1.____sheisyoung,sheknowsquitealot.A.WhenB.HoweverC.AlthoughD.Unless()2.Hewentoutwithoutanovercoat____itwassocold.A.althoughB.soC.ifD.forPracticeCA链接中考()1._______scientistshavedonealotofresearchonA(HIN1)flu,therearestillsomecasesforfurtherstud
6、y.(2009南京)A.AsB.Once C.IfD.Although【解析】此题考查连词的用法。通过句意,我们了解到"科学家已做了关于甲流的大量研究"是后面主句"仍有一些病例需要进一步研究"的引出条件,表示条件退让一步。我们应选用引导让步状语从句的连词although,故选D。D()2._____theyareverytired,theyfeelhappybecausethey’vefinallyfinishedtheirproject.(2011广州)A.SoB.AlthoughC.IfD.But【解析】考查连词。分析句意可知，他们虽然很累，但很快乐，前半句
7、是让步状语从句，用although。B()3.—Youboughtthecarabouttenyearsago?—Yes._______it'sold,itstillrunswell.(2011湖北黄冈)A.BecauseB.SinceC.AlthoughD.But【解析】because意为“因为”；since意为“既然；自从”；although意为“尽管”；but意为“但是”。根据句意“尽管它很旧，但是它仍然跑得很好。”为转折意思，故选C。C()4.TheywilltrytheirbestintheDragonBoatRacing______theymayfa
8、il.(2011南京)A
