解析：考查连词辨析。由对话语境可知，空格后的一句是空格前一句的前提条件。故A项意思相符。as long as只要。 答案：A 4．(2010·北京高考) ________ they decide which college to go
to，students should research the admission procedures. A．As
B．While C．Until
D．Once 解析：此题考查状语从句连词。once“一旦……”。句意：学生一旦决定上哪个大学，他们就应该了解一下入学手续。 答案：D 5．(2009•浙江高考)The medicine works more effectively
________ you drink some hot water after taking it. A．as
B．until C．although
D．if 解析：as意为“因为，当……的时候”；until意为“直到”；although意为“尽管，虽然”；if意为“如果”。句意：如果你用一些热水服用，药的效果会更好。 答案：D 引导条件状语从句的词(组)主要有if“如果”，unless“如果不，除非”，so/as long as“只要”，on condition that “只要，条件是”，so/as far as“远到……”，if only“要是……就好了”，once“一旦”。注意：条件从句中的if不能用whether替换。 Once he has made up his mind，nothing can make him change his mind. 他一旦下定决心，什么也使他改变不了主意。 As long as you don't lose heart，you will succeed. 只要你不灰心，你会成功的。 I will do it on condition that you help me. 只要你肯帮助我，我就愿意做此事。 1．(2010·安徽高考)The engineers are so busy that they have
zero time for outdoor sports activities, __________ they have the interest. A．wherever
B．whenever C．even if
D．as if 解析：考查连词的用法。根据语境可知，“他们有这种兴趣”和“他们没有时间”之间为转折关系。故用even if“即使”引导让步状语从句。 答案：C 2．(2010·湖南高考)Tim is in good shape physically ________
he doesn't get much exercise. A．if
B．even though C．unless
D．as long as 解析：考查从属连词。根据前后两句所述可知，它们之间为假设关系。故用even though“即使”，引导让步状语从句。 答案：B 3．(2010·上海高考)________ you may have，you should
gather your courage to face the challenge. A．However a serious problem B．What a serious problem C．However serious a problem D．What serious a problem 解析：考查状语从句。句意：不论你的问题有多严重，你都应该鼓起勇气，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；however＋adj.＋a/an＋单数名词＝whatever＋a/an＋adj.＋单数名词，故C项正确。 答案：C 4．(2009·湖南高考)________ the police thought he was the
most likely one，since they had no exact proof about it，they could not arrest him. A．Although
B．As long as C．If only
D．As soon as 解析：although意为“尽管，虽然”；as long as意为“只要”；if only意为“要是……就好了”；as soon as意为 “一……就……”。句意：尽管警察认为他是最有可能的一个，由于他们没有确凿的证据，他们就不能拘留他。 答案：A 1．让步状语从句可由although，though，as，while，even
if(though)，whatever，whether...or...，no matter who (when，what...)等引导。 Although/Though she works very hard，(yet) she makes very slow progress.尽管她学习很努力，但还是进步不快。 All the nations should be equal，whether they are strong or not.所有的国家都应平等，不管它们是否强大。 Whenever I'm unhappy(＝No matter when I'm unhappy)，it is my friend who cheers me up. 不管什么时候我不高兴，总是我的朋友给我鼓励。 2．as引导的让步状语从句的常见的几种倒装方式： (1)如果从句的谓语部分为“不及物动词＋副词”时，常将 从句中的副词提到从句的句首。 Hard as you may try，you will not succeed. 尽管你努力了，你可能不会成功。 (2)如果从句的谓语部分为“情态动词＋不及物动词”，常将 这个不及物动词提到从句的句首。 Wait as you may，he will not see you. 尽管你等了，他可能不会见你。 (3)如果从句的谓语部分是“系动词＋单数名词”，则常将这 个作表语的名词提前，但这个名词前面的不定冠词要省略。 Child as he is，he can tell right from wrong. 尽管他还是个孩子，他能明辨是非。 3．while作“尽管”讲引导让步状语从句时往往放在句首。 While I understand your viewpoint，I don't agree with you.尽管我明白你的观点，我不赞成你。 1．(2009·天津高考)I travel to the Binhai New Area by light
railway every day，________ do many businessmen who live in downtown Tianjin. A．as
B．which C．when
D．though 解析：句意：我像许多住在天津闹市区的商人一样，每天乘坐快速列车到滨海新区上班。as引导方式状语从句时意为“正如，就像……一样”。 答案：A 2．(2010·济宁市第二次联考)The house was greatly damaged
by the truck.We'd better leave things ________ they are until the police arrive. A．since
B．as C．though
D．unless 解析：考查状语从句。句意：卡车对这座房子造成了严重的损坏。我们最好保持原样直到警察到来。as引导方式状语从句，意为“照……方式”。leave things as they are意为“任其自然”。 答案：B 方式状语从句用来表示主句谓语动作发生的方式，常由as“像……一样”，as if(though)“似乎，好像”，the way“……的方式”等引导。 You must do the exercise as I tell you. 你必须按照我告诉你的方法做练习。 He acted as if nothing had happened. 他表现得好像什么也没发生。 1．(2010·全国卷Ⅰ)Mary made coffee ________
her guests were finishing their meal. A．so that B．although C．while
D．as if 解析：本题考查连词的用法。根据句意“当客人快吃完饭的时候，她煮了咖啡”可知C正确。so that“以便，为了”；although“尽管，即使”；as if“好似，好像”均不符合题意。 答案：C 2．(2010·陕西高考)John thinks it won't be long ________ he
is ready for his new job. A．when
B．after C．before
D．since 解析：此题考查连词。It won't be long before...意为“不久就……”。句意：约翰认为他不久就会为新工作做好准备了。 答案：C 3．(2010·安徽高考)Just use this room for the time being， and we'll offer you a larger one ________ it becomes available. A．as soon as
B．unless C．as far as
D．until 解析：考查连词的用法。由第一分句句中的for the time being(暂时)可知，此处用as soon as引导时间状语从句。 答案：A 4．(2010·全国卷Ⅱ)Tom was about to close the window
________ his attention was caught by a bird. A．when
B．if C．and
D．till 解析：考查连词用法。句意：汤姆正要关窗户，这时他的注意力被一只鸟吸引住了。本句是“Sb. was about to do sth. when...”结构，表示“某人正要做某事，这时突然……”。 答案：A 5．(2010·四川高考)Because of the heavy traffic，it was
already time for lunch break ________ she got to her office. A．since
B．that C．when
D．until 解析：考查状语从句。when引导时间状语从句。句意：因为交通拥挤，当她到达办公室时已是午休时间了。 答案：C
We were about to set off when it suddenly began to rain. 我们刚要出发，突然下起雨来。 We were having a meeting when someone broke in. 我们正开着会突然有人闯入。 [注意] when还可表原因，意为“既然”。 How can I help them to understand when they won't listen to me? 既然他们不听我说，我怎么帮他们理解？ 2．as soon as，immediately，directly，instantly，the
moment，the minute，the instant，no sooner...than...，hardly/scarcely...when...和once(一……就……) 这些从属连词引导的从句都表示从句的动作一发生，主句的动作随即就发生，常译为“一……就……”。从句中用一般时态代替将来时态。 The moment I heard the voice，I knew father was coming.我一听到那个声音，我就知道父亲来了。 No sooner had we arrived at the station than the train left.我们刚到车站，火车就离站了。 The boy burst into tears immediately he saw his mother. 那男孩一见到他妈妈便放声大哭。 3．on doing sth./on one's＋n.也可表示“一……就……”， 引导时间状语。 On arriving at the station，the thief was caught. 贼一到车站就被抓了。 On his arrival in London，he called his father up. 他一到伦敦就给他父亲打了个电话。 4．before (1)若表达“还未……就……；不到……就……；……才 ……；趁……；还没来得及……就……”时，需用连词before。 He rushed out of the room before I told him the news. 我还没来得及告诉他消息，他就冲出了房间。 Please write it down before you forget it. 趁你现在没忘把它记下来。 (2)It will be＋一段时间＋before...多久之后才……。 It will be half a year before I come back. 还得呆半年我才能回来。 It won't be long before we meet again. 没多长时间我们就会又见面的。 1．(2010·重庆高考)Today，we will begin ________ we
stopped yesterday so that no point will be left out. A．when
B．where C．how
D．what 解析：考查状语从句。where在此处引导地点状语从句。 答案：B 2．(2009·江苏高考) ________unemployment and crime are
high，it can be assumed that the latter is due to the former. A．Before
B．Where C．Unless
D．Until 解析：考查状语从句。where引导地点状语从句，表示凡是失业率与犯罪率高的地方，犯罪都是由失业引起的。 答案：B 3．(2009·山东高考)The little girl who got lost decided to
remain________she was and wait for her mother. A．where
B．what C．how
D．who 解析：考查状语从句。句意：这个迷路的小女孩决定待在原地等她妈妈。故应选择where来引导地点状语从句，答案为A。 答案：A 地点状语从句表示主句的谓语动词的动作发生的地点， 引导地点状语从句的连词有where“在……的地方”和wherever“无论在什么地方”等。wherever的语气比where语气更强烈。 Sit wherever you like.你喜欢坐哪里就坐哪里。 Make a mark where you have a question. 在你有问题的地方做个记号。 Where there is a will，there is a way. 有志者，事竟成。 1．(2010·全国卷Ⅰ)The little boy won't go to
sleep ________ his mother tells him a story. A．or
B．unless C．but
D．whether 解析：考查连词。根据句意“除非妈妈给他讲一个故事，否则这小男孩是不会入睡的。”可知unless符合句意。or否则，不然的话；but但是；whether是否。 答案：B 2．(2010·山东高考)The school rules state that no child shall
be allowed out of the school during the day, ________ accompanied by an adult. A．once
B．when C．if
D．unless 解析：考查连词。句意：学校规则规定：除非有大人的陪伴，否则任何孩子白天都不允许外出学校。 答案：D 3．(2010·江西高考)—Our holiday cost a lot of money. —Did it? Well，that doesn't matter ________ you enjoyed yourselves. A．as long as
B．unless C．as soon as
D．though 1．when引导时间状语从句，意为“正在这时”，表示某件事正在发生或刚刚发生时，突然发生另一动作：