| 把脉二十组易混连(接)词 |
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作者:谢奎金 文章来源:高考文科版 点击数: 更新时间:2008-5-1 21:01:53  |
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一、特殊并列连词while\when 【例1】I had just stepped out of the bathroom and was busily drying myself with a towel____ I heard the steps. A.while B.when C.since D.after 【例2】I’d like to study law at universitymy____ cousin prefers geography. A.though B.as C.while D.for 【答案与解析】BC。作并列连词时,when\while用法较为特殊,二者区别是:while表两相对照;而when表突然、在那时,常见于be about to do...when和Hardly...when等句型中。 二、表示原因的连词for\because\as\since 【例3】He found it increasingly difficult to read,____his eyesight was beginning to fail. A.andB.forC.butD.or 【例4】Jenny was very sad over the loss of the photos she had shot at Canada,____this was a memory she especially treasured. A.asB.ifC.whenD.where 【例5】 Parents should take seriously their children’s requests for sunglasses_____eye protection is necessary in sunny weather. A.becauseB.thoughC.unlessD.if 【例6】_____everybody knows about it,I don’t want to talk any more. A.ForB.EvenC.SinceD.However 【答案与解析】BAAC。引导原因状语从句,as\because\since\for的区别是:because语势最强,用来说明人所未知的原因,回答why提出的问题,可置于强调句中且其前可加修饰语;since是双方都知晓原因或经过分析而得之的原因,语气次之;for是并列连词,前用逗号隔开,表逻辑推理或补充说明;as语气最弱,原因是显而易见的或已为人们所知,即已知原因,所引导的分句可置于句首。 三、并列连词but\yet\though 【例7】Excuse me for breaking in,______I have some news for you. A.so B.and C.but D.yet 【答案与解析】C。but和yet是连词,可等同使用,但也有区别。yet与and连用,构成and yet,但but却无此用法;在“Excuse me\I’m sorry\I hope you don’t mind…but’’中,只用but,不用yet。因为在表示对照或对立时,but较为轻松自然;而yet却较为强烈,常出人意料;though作并列连词时,只能引导分句且其前须加逗号。例: I’ll try to come,though I don’t think I shall manage it. 四、引导名词性从句的从属连词that\whether\if 【例8】The traditional view is_____we sleep because our brain is “programmed” to make us do so. A.whenB.whyC.whetherD.that 【例9】We haven’t settled the question of______ it is necessary for him to study abroad. A.if B.whereC.whetherD.that 【答案与解析】DC。引导名词性从句的从属连词that与whether的区别是:句子成分完整且表意确定时选用that连接,句意不确定时选用whether\if连接;借助it,将真正主语或宾语后置,构成“It…that”句型,但whether\if不可;下列情形用whether不用if:与or not连用,中间无其他词隔开;作介词宾语;在主语从句、表语从句和同位语从句中。例 Whetherwe’ll go camping tomorrow depends on the weather. 五、表示比较的从属连词what\as 【例10】Engines are to machines______hearts are to animals. A.asB.that C.whatD.which 【例11】______I explained on the phone,your request will be considered at the next meeting. A.WhenB.AfterC.AsD.Since 【例12】What a table! I’ve never seen such a thing before.It is______it is long. A.half not as wide asB.wide not as half as C. not half as wide asD.as wide as not half 【答案与解析】CCC。what用作从属连词,表比较,用于A is to B what C is to D结构中;而as表示原级比较,常用于as…as结构中,程度修饰语应置于第一个as之前,嵌入的形容词或副词使用原级。另外还表“正如、按照”,引导方式状语从句。 六、表示条件的从属连词if\unless\as long as\once 【例13】______I know the money is safe,I shall not worry about it. A.Even thoughB.Unless C.As long asD.While 【例14】Small sailboats can easily turn over in the water_______they are not managed carefully. A.thoughB.beforeC.untilD. if 【例15】You will be successful in the interview_____you have confidence. A.beforeB.onceC.untilD.though 【例16】I won’t call you,_____something unexpected happens. A.unlessB.whetherC.becauseD.while 【答案与解析】CDBA。表条件的连词if\unless\as long as\once在用法上存在一些差异。as long as用法同only if\on condition that,强调某事的发生以另一事件的发生为前提;if为正面条件,可能会产生好的或坏的结果,若某种条件产生坏的结果,此时的if可用as long as替换;unless为反面条件,表示除非,如果不,故在真实条件句中常和if…not换用;once既表时间,又包含条件,译作一旦。 七、表示让步的从属连词although\when\while 【例17】We had to wait half an hour ______ we had already booked a table. A.sinceB.although C. until D.before 【例18】______I really don’t like art,I find his work impressive. A.As B.Since C.If D.While 【答案与解析】BD。although\when\while均可表示让步,后两者的用法较为特殊。although/though引导让步状语从句时不与but和yet连用;而while却表示“部分接受,但并非全部”,或用于“强调两种情况、活动等之间的差距”;when也可表示虽然,尽管,同even if,常置于句末。例: (1)While I accept that he is not perfect,I do actually like the person. (2)He walks when he might take a taxi. if用作从属连词,也可表让步,类似though,用以描述自己喜爱的人或物。如:He’s a pleasant child,if a little spoiled. 八、从属连词so that\in case 【例19】I’d like to arrive 20 minutes early______I can have time for a cup of tea. A.as soon as B.as a result C.in caseD.so that 【例20】Leave your key with a neighbor_______you lock yourself out one day. A.ever sinceB.even if C.sooner after D.in case 【答案与解析】DD。so that既表示结果又表示目的。若置于主句后,用逗号隔开常表结果;与情态动词连用常表目的。in case表示假设,译作“万一”。例: I always take something to read when I go to the doctor’s in case I have to wait. 九、关联连词so/such…that 【例21】Pop music is such an important part of society________it has even influenced our language. A.as B.thatC.whichD.where 【例22】_______homework did we have to do that we had no time to take a rest. A.So muchB.Too much C.Too littleD.So little 【答案与解析】BA。关联连词so/such…that(如此……以致),只表结果,置于句首时,主句要部分倒装;so为副词,后续形容词或副词。such后续名词,名词前可接限定词;such that可表程度。例:Her cruelty is such that we all hate her. 十、表原因的从属连词now that\in that 【例23】_______you’ve got a chance,you might as well make full use of it. A.Now thatB.After C.AlthoughD.As soon as 【答案与解析】A。now that既然,从now可知,使用时应注意时间;in that表“在于”,属正式用语,不置于句首。例: Human beings are different from animals in that they can use language as a tool to communicate.
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