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1、状语从句,【温馨提示】在时间、条件、方式、让步状语从句中，如果从句的主语和主句主语一致或从句的主语为it而且从句的谓语动词又包含be时，就可以省略从句中的“主语be”部分，构成下列结构：1连词分词2.连词形容词3.连词介词短语4.连词不定式Dont speak until spoken to.Look out while crossing the street.Though cold，he still wore a shirt.Come tomorrow if possible.While in Beijing paid a visit to the Great Wall.He cleared
2、 his throat as if to say something.,1(2010全国卷)Mary made coffee_ her guests were finishing their meal.Aso that BalthoughCwhile Das if,【解析】句意：客人们就要吃完饭的时候，玛丽去煮咖啡了。so that以便，为了，用来引导目的状语从句或结果状语从句；although虽然，尽管，用来引导让步状语从句；while在期间，当的时候，用来引导时间状语从句；然而，而(but)，表示对比；as if(as though)仿佛，好像，用来引导方式状语从句。由句意可知C项正确。【
3、答案】C,2(2010全国卷)The little boy wont go to sleep_ his mother tells him a story.Aor BunlessCbut Dwhether【解析】句意：除非妈妈给他讲故事，否则小男孩就不去睡觉。or或者，否则；unless除非；but但，除之外；whether是否。根据语境可知，这里用unless表示条件，意思“除非否则”。【答案】B,3(2010山东高考)The school rules state that no child shall be allowed out of the school during the day，_
4、accompanied by an adult.Aonce BwhenCif Dunless【解析】句意：学校制度规定：在白天，除非有大人陪同，否则不允许孩子走出校园。根据句意应选D项。【答案】D,4(2010上海高考)_ you may have，you should gather your courage to face the challenge.AHowever a serious problemBWhat a serious problemCHowever serious a problemDWhat serious a problem【解析】句意：不论你的问题有多严重，你都应该鼓起
5、勇气，接受挑战。分析题干可知逗号前是让步状语从句，what不能用来引导状语从句，所以排除B、D两项；howeveradj.a/an单数名词whatever a/an adj.单数名词，故C项正确。【答案】C,5(2010上海高考)_ our manager objects to Toms joining the club，we shall accept him as a member.AUntil BUnlessCIf DAfter【解析】句意：我们愿意接收汤姆为我们的成员，除非经理反对他加入本俱乐部。选项中的四个词都可以连接从句，但此处存在条件关系，故排除A(直到)和D(在之后)，而语境存在
6、否定条件，故排除C(如果)。【答案】B,6(2010北京高考)_ they decide which college to go to，students should research the admission procedures.AAs BWhileCUntil DOnce【解析】句意：一旦学生们决定了要上哪所大学，他们就应该研究申请此大学的程序了。as当时，由于；while当时，尽管；until直到；once 一旦。根据句意选D项。【答案】D,7(2010大同模拟)Tom thinks it wont be long _he can finish his work.Awhen Baft
7、erCbefore Dsince【解析】句意：汤姆认为不久他就能完成工作。本题考查句式“It wont be long before.”，表示“过不了多久就”。【答案】C,8(2010江西高考)Our holiday cost a lot of money.Did it?Well，that doesnt matter_ you enjoyed yourselves.Aas long as BunlessCas soon as Dthough【解析】根据答语意义“只要你们玩得高兴就行”应使用as long as(只要)；unless除非；as soon as 一就；though尽管，虽然。【答案
8、】A,9(2010福建高考)The girl had hardly rung the bell_ the door was opened suddenly，and her friend rushed out to greet her.Abefore BuntilCas Dsince【解析】句意：这个女孩刚一按门铃，门就突然打开了，她的朋友冲出来迎接她。本题考查固定句型“hardly.when/before.”，意为“一就”。【答案】A,10(2010安徽高考)The engineers are so busy that they have zero time for outdoor sport
9、s activities，_they have the interest.Awherever BwheneverCeven if Das if【解析】句意：工程师们如此忙碌，以至于没时间做户外活动，即使他们对做户外活动很感兴趣。由句意使用even if(即使)，引导让步状语从句；wherever无论什么地方；whenever无论什么时候；as if好像。【答案】C,11(2010安徽高考)Just use this room for the time being，and well offer you a larger one _it becomes available.Aas soon as
10、BunlessCas far as Duntil【解析】句意：暂用这个房间吧，一有可能，我们就会马上给你提供一个大点的房子。由句意使用as soon as(一就)，引导时间状语从句。unless除非；as far as远到，至于；until直到。【答案】A,12(2010辽宁高考)The old man asked Lucy to move to another chair _he wanted to sit next to his wife.Aalthough BunlessCbecause Dif【解析】句意：那位老人请Lucy换坐另一个椅子，因为他想挨着他妻子坐。由句意分析前后为因果关系
11、，所以选because。【答案】C,13(2010湖南高考)Tim is in good shape physically _he doesnt get much exercise.Aif Beven thoughCunless Das long as【解析】句意：尽管Tim进行的锻炼不多，但他的体型很好。if如果，引导条件状语从句；even though even if即使，引导让步状语从句；unless如果不，除非，引导条件状语从句；as long as只要，引导条件状语从句。根据句意可知，答案为B项。【答案】B,14(2010重庆高考)Today，we will begin _we st
12、opped yesterday so that no point will be left out.Awhen BwhereChow Dwhat【解析】句意：今天，我们将从昨天停下的地方开始讲解，目的是为了不漏掉要点。首先排除what，what不能引导状语从句；when引导时间状语从句；how引导方式状语从句。由句意可知应使用where引导地点状语从句。【答案】B,15(2010全国卷)Tom was about to close the window _ his attention was caught by a bird.Awhen BifCand Dtill【解析】句意：汤姆正要关上窗户，就在这时一只鸟引起了他的注意。在句式“.be about to do when.”中，when作并列连词，相当于and at that time，句中was about to do为标志词，故答案为A项。【答案】A,
