2019年高考英语 纠错笔记系列 专题08 并列连词和状语从句(含解析).doc

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专题08 并列连词和状语从句易错点1 并列连词之间的误用1. Imsorry,_Iwontbeabletoetonight.A.forB.andC.butD.then【错因分析】容易误选 A。学生误认为空格后的句子是用以说明Imsorry的原因,便想当然地认为要选for来表示原因。【试题解析】Im sorry 后习惯上不接表示原因的连词for,而接表示转折的连词but(也可省略 but),用以委婉地提出一个使对方不快的事实。又如: Oh, sorry, but shes out. 哦,不好意思,她出去了。【参考答案】 C 2. In much of Asia, especially the so-called “rice bowl” cultures of China, Japan, Korea, _ Vietnam, food is usually eaten with chopsticks.【错因分析】容易误填or。有的学生没有真正理解空格前后两部分之间为并列关系,易误填or。【参考答案】and3. They live in too big a house with too many rooms, or their house of life is a hut. (单句改错)【错因分析】前后句之间为转折关系,误用了表示选择的连词or。【试题解析】句意为:他们住在拥有太多房间的一所大房子里,然而他们精神生活的房子却是一个小屋。前后句之间应使用表示转折关系的并列连词yet/but。【参考答案】or改为yet/but4. Neither you nor I dont know the truth.(单句改错)【错因分析】对“neithernor”的用法掌握不牢。【参考答案】删去dont常见的并列连词 1. and和or and的用法如下: (1) 表示另加:其意为“和”“又”“而且”。如: Let me have some toasts and a cup of coffee. 给我来几片烤面包和一杯咖啡。 (2) 表示结果:意为“因此”,与so的用法比较接近。如: He fell heavily and broke his arm. 他摔得很重,手臂都摔断了。 (3) 表示条件:相当于ifthen,含有“如果那么”的意味。如: Do that again and Ill call a policeman. 你再这样做我就要叫警察了。 (4) 表示连续:既可表示一种连续不断的状态,也可以表示一个动作完成之后连续做另一个动作。如: The train ran faster and faster. 火车开得越来越快。 He finished lunch and went shopping. 他吃完午饭而后去买东西。 (5) 表示对比:含有“尽管还”的意味。如: Toms 15 and still sucks his thumb. 汤姆15岁了,还嘬大拇指。 并列连词or要比and用法简单此,它主要表示选择,其意为“或”“还是”等。如: Its a lovely baby. Is it a boy or a girl? 宝宝真可爱,是男孩还是女孩? He speaks French, or perhaps he understands it. 他会讲法语,或者他懂法语。 另外,or还可以表示一种否定的条件,相当于ifnot如: Be careful, or youll break that vase! 小心,否则你会把那花瓶打碎。 =If you dont be careful, youll break that vase. 2. 表对比或转折的连词主要有but和yet(1) but的用法:其意为“但”“但是”“却”。如: He looked around but could see nobody. 他向四周望望,却没看见什么人。 I know of the town but Ive never been there. 我知道有这座城市,但从未去过。 (2) yet的用法:其意也表示“但是”“却”,与but用法相似,有时可换。如: It is strange yet true. 这很奇怪,却是真实的。 I have failed, yet I shall try again. 我失败了,但我还要尝试。3. 表因果关系连词主要有for和so (1) for的用法:表示原因,意为“因为”“由于”。如: The days were short, for it was now December. 白天很短,因为现在已经是12月。注意: for表示原因时,它引出的句子不能放在句首,如不能说:For it was now December, the days were short. (2) so的用法:表示结果,意为“所以”“因此”。如: Its very cold, so wear a heavy coat. 外边很冷,因此穿一件厚大衣吧。 注意:汉语可以说“因为所以”,但英语中表示结果的so不能与表示原因的because连用,如不能说:Because its very cold, so wear a heavy coat. 4. 其他并列连词 除上面提到的并列连词外,还有bothand, eitheror, neither.nor, not only.but also等并列连词。如: (1) bothand的用法:意思是“不仅而且”“和”。如: He speaks both English and French. 他既说英语也说法语。 Both brother and sister are college students. 兄妹俩都是大学生。 (2) eitheror的用法:意思是“要么要么”“或是”。如: We can have either fish or beef. 我们可以吃鱼或是牛肉。 We can either fly there or go by train. 我们可以坐飞机去也可坐火车去。 (3) neither.nor的用法:意思是“既不也不”。如:He neither drinks nor smokes. 他既不喝酒,也不抽烟。 She felt neither frightened nor sorry. 她既不感到害怕也不感到遗憾。 (4) not only.but also的用法:意思是“不仅而且”。如: Not only men but also women were chosen. 不仅仅是男的,女的也有被选中的。1.(2018新课标I卷短文改错)At the end of our trip, I told my father that I planned to return every two years, but he agreed.2. Dont turn off the puter befor closing all programs, _ you could have problems.(单句语法填空)【解析】句意:在关闭所有程序之前不要关闭电脑,否则你会遇到麻烦。or表示“否则”。【答案】 or【名师点睛】“祈使句and/or陈述句”结构 (1)祈使句+ and(then,and then)+陈述句 在这个句型中,前边祈使句+ and(and then)相当于if引导的条件句。如:e early,and youll catch the first bus. =If you e early,youll catch the first bus.来早点,你就能赶上第一班汽车。 Use your head,then youll find a way.开动脑筋,那么你就会找到办法。 One more word,and Ill get angry with you如果你再说一句话,我就生你的气了。 Another week,and the railway station will be pleted再有一周,火车站就完工了。 (2)祈使句+(or,or else,otherwise)+陈述句 在这个句型中,前边祈使句+(or,or else,otherwise)相当于unless引导的条件句。如: Work hard,otherwise,youll fail. = Unless you work hard,youll fail.努力干,要不,你会失败的。 Use your head,or else you wont find a way.= Unless you use your head, you wont find a way. 开动脑筋,否则,你就找不到办法。 巧选and, or:选择连接词,只看陈述句,and叫人心欢畅,or的后果不好尝3. It is downtown, but it is easy to go anywhere from the hotel by public transport. (单句改错)【解析】句意:这里是市中心,所以从酒店乘公交去任何地方都很方便。前后分句为因果关系,故应用表示因果关系的并列连词so。【答案】but改为so【名师点睛】so用作并列连词时主要表示结果,意为“因此”“所以”。如:I was tired, so I went to bed earlier.我累了所以早点睡了。He took my shoes, so I couldnt leave the house.他把鞋拿走了,我出不了门。It was very cold, so we had to wear warm clothes.天气很冷,所以我们得穿暖和的衣服。按英语习惯,表示结果的so不能与表示原因的because套用,在使用时只能保留其中的一个。如:那是一个难题,所以我最后才回答。误:Because that was a difficult question, so I answered it last.正:That was a difficult question, so I answered it last.正:Because that was a difficult question, I answered it last.易错点2 but与although/though的混用1. Though not very big, but the restaurant is popular in our area. (单句改错)【错因分析】受汉语思维的影响认为“虽然但是”可以连用,故发现不了错误。【试题解析】从属连词Though(虽然)不可与并列连词but(但是)一起使用,故应去掉but。【参考答案】去掉but2. Although he had only entered the contest for fun, _ he won first prize.A. butB. andC. evenD. 不填【错因分析】容易误选 A,将汉语的“虽然但是”直译为 although but【参考答案】 D汉语中可说“虽然但是”,但按英语习惯,通常不能说althoughbut或thoughbut:虽然很危险,但我要试试。误:Although it is dangerous, but I will try.正:Although it is dangerous, I will try. / It is dangerous, but I will try.不能将汉语的“虽然但是”直译为(al)thoughbut,这是因为(al)though为从属连词,用于引导让步状语从句;而but在表示“但是”时,它是并列连词,用以连接两个句子使之成为并列句。由于在同一句中既用了从属连词(al)though,又用了并列连词but,使得句子一半像复合句,一半像并列句,从而导致错误。正确的做法是,任意去掉(al)though和but中的一个,使之要么成为复合句,要么成为并列句。Though the boy came back to life, _ he was still weak.A.butB.yetC.howeverD.so【答案】B易错点3 时间、条件状语从句中引导词的误用1. With speech develops, the child starts to tie more words together.(单句改错)【错因分析】对as引导时间状语从句的用法掌握不。【试题解析】句意:随着语言能力不断发展,这个孩子开始把更多的词连起来说。前后两句表示两个发展变化中的情况,表示在某事发生的过程中另一事也发生,as“一边一边;随着”,故应用As。with只是个介词,只能跟名词、代词在一起。【参考答案】With 改为As2. Im going to the post office. _ youre there, can you get me some stamps?A. AsB. WhileC. Because D. If【错因分析】容易误选A。【参考答案】B3. He was about to tell me the secret _ someone patted him on the shoulder.A. as B. untilC. whenD. while【错因分析】几个干扰项均有可能误选。【试题解析】when意为“这时(突然)”,主要用于某一动作突然发生于另一动作正在进行或刚要发生之时。【参考答案】C4. John thinks it wont be long _ he is ready for his new job.A. whenB. sinceC. afterD. before【错因分析】几个干扰项均有可能误选。【试题解析】此句是由before 引导的时间状语从句,构成“It wont be+时间段+状语从句”,如果主句的谓语动词是否定式时,意思是“没过多久就”。【参考答案】D5. Dont be afraid of asking for help _ it is needed.A. unlessB. sinceC. althoughD. when【错因分析】几个干扰项均有可能误选。【试题解析】根据句意,此句是由when引导的条件状语从句, when相当于if。句意是:如果需要,就不要害怕帮助。所以选D。【参考答案】D一、时间状语从句的用法归纳1. 引导时间状语从句的从属连词很多,常见的有before, after, when, while, as, since, till, until, as soon as 等。2. 表示“当时候”的 while, when, as 的用法区别是:while从句中的谓语动词必须是延续性动词;表示 带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时,只能用 when;当表示“一边一 边”或“随着”时,只能用 as。另外,用于此义的 as 所引导的时间状语从句谓语只能是动作动词, 不能是状态动词。3. until 在肯定句中通常只连用延续性动词,表示相应动作结束的时间;在否定句中通常连用非延续性动词, 表示相应动作开始的时间,意为“直到才”。如:If you must go, at least wait till the rain stops. 如果你坚持要走, 至少也要等雨停了再走。The letter passed from one to another until everyone had read it. 那封信逐一传阅,直到每个人都看过为止。4. 表示“一就”除用 as soon as 外,还可用 the minute, the second, the instant, immediately, directly, instantly, no soonerthan, hardlywhen 等。如:I came immediately you called. 你一来电话我就来了。Hardly had I opened the door when he told me. 我刚开开门,他就告诉了我。The moment I have finished Ill give you a call. 我一干完就给你打电话。5. every time, each time, (the) next time, (the) last time, by the time, the first time, any time 等以 time 结尾的词 语也可用作连词,引导时间状语从句。如:Last time I saw him, he looked ill. 上次我见到他时,他好像有病。Every time I call on him, he is out. 我每次去访问他,他都不在。You can call me any time you want to. 你随时都可以给我打电话。Next time youre in London e and visit us. 你下次来伦敦过来探望我们。注:其中的every time, each time, any time前不用冠词,(the) next time, (the) last time中的冠词可以省略,而the first time中的冠词通常不能省略。6. before和since引导的时间状语从句:before引导时间状语从句的句型有:it was notbefore 没过多久就it will bebefore过了多久才since意为“自从”,可构成:It is/was+一段时间+sincesince与终止性动词连用,表示“自以来已有多长时间”;since与延续性动词连用,表示“自从不做某事有多长时间了”。从句中常用过去时,主句用一般现在时或现在完成时。二、 条件状语的用法归纳1. if 表示正面的条件, 意为“如果”; unless (=if not) 表示负面的条件, 意为“除非, 如果不”。如: If you ask him, he will help you. 如果你请求他, 他会帮助你。If you had e a few minutes earlier, you would have met him. 要是你早来几分钟就碰到他了。He is sure to e unless he has some urgent business. 他一定会来, 除非他有急事。2. in case, on condition that, providing, provided (that), supposing, suppose (that)等词汇意思相近, 指“假如, 假使, 在条件下”(比if更为书面化)。如: In case he es, let me know. 如果他来的话, 告诉我一声。I shall give you my dictionary on condition that you return it tomorrow. 我将把我的字典给你, 如果你明天要还的话。 I will go, providing/provided (that) my expenses are paid. 只要我的费用有人付, 我就去。 Suppose/Supposing (that) he does not e, what shall we do? 他要是不来, 我们该怎么办?3. as long as (=so long as) 表示充分必要条件, 引导语气强烈的条件状语从句时, 意为“只要”。如: I will cooperate as long as I am notified on time. 只要及时告诉我, 我就会合作。You may use the book so long as you will return it on time. 只要你准时还, 你就可以借这本书。1. The field research will take Joan and Paul about five months; it will be a long time _ we meet them again.A. afterB. beforeC. sinceD. when【答案】B2. It is difficult for us to learn a lesson in life_ weve actually had that lesson.A. until B. afterC. sinceD. when【名师点睛】until的用法归纳:unitl词性释义例句备注介词(表示动作、状态的继续)为止,在之前I waited until three oclock. 我一直等到三点钟。until与表示延续性的动词连用,表示动作及状态继续到某一时刻(用于否定句)到为止,直到才The noise didnt stop until midnight.噪音一直到午夜才停止。连词(表示动作、状态的继续)直到(另一动作或状态出现)之前He lived with his parents until he got married. 他与父母住在一起直到结婚为止。(用于否定句)直到,直到才The children wont e home until it is dark. 孩子们不到天黑不回家。使用注意事项: 注意事项一 until用于肯定句中,表示主句的动作一直持续到从句动作发生或状态出现时为止。一般可译为“直到为止”。在这种用法中,主句的谓语动词必须是持续动词(非瞬间动词),如live, wait , last, love, like, stay, work, continue 等。 until用于否定句中,表示主句的动作在从句的动作发生之前尚未发生,或者说主句的动作在从句的动作发生之后才开始。一般可译为“直到才”。 注意事项二 until后面的从句中不能用一般将来时,应该用一般现在时代替。所谓的“主将从现”。 He will stay here until his mother es back. They will study at the school until their parents e to take them home. 注意事项三 till和until的意思基本相同,用法也基本一样,但until语气较重,多用于较正式的文体里。 till多用于英式英语, until多用于美式英语; till不能用在句首,也不能用在not开头的短语或从句里,而until可以。在这种情况下应用倒装语序。 Until he came home, we knew the news. 在他到家之前,我们不知道这消息。 Not until nine oclock yesterday evening did we finish the work. 直到昨晚九点,我们才完成这项工作。3. _the damage is done, it will take many years for the farmland to recover.A. Until B. Unless C. Once D. Although【答案】C易错点4 原因、目的、结果、让步状语从句中引导词的误用1. Tired _ he was, he continued his work.【错因分析】没有掌握as/though引导让步状语从句的用法。【试题解析】句意:虽然他很累,但他继续工作。as引导的让步状语从句放在主句之前,从句中的表语、状语或谓语部分的实义动词原形需提前置于句首;though也可引导让步状语从句,句子可倒装也可不倒装。【参考答案】 as/though2. So that we might see the sunrise, we started for the peak early. (单句改错)【错因分析】误将so that引导的目的状语从句放于句首。【试题解析】句意:为了能看到日出,我们很早就向山顶出发。由句意可知,从句为目的状语从句,但so that 引导的从句不能置于句首,一般只能置于主句之后,故应用in order that。【参考答案】So that改为In order that一、让步状语从句的用法引导让步状语从句的连词主要有以下这些:though, although,while, as; even if, even though; whether.or.; no matter+疑问词,疑问词-ever, regardless of+名词/名词短语/名词从句,despite,in spite of。(1)though, although表示“虽然,纵然”之意。 这两个连词意思大致相同,在一般情况下可以互换使用。在口语中,though较常使用,although比though正式,二者都可与yet, still或never,the less连用,但不能与but连用。 (2)as, though表示“虽然但是”,“纵使”之意。 as引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分可以是表语、状语或动词原形,though也可用于这样的结构中,但although不可以这样用。 如: Object as you may, Ill go.(=Though/Although you may object, Ill go.) 纵使你反对,我也要去。 (3)even if, even though 表示“即使”,“纵使”之意,含有一种假设。 这两个复合连词的意思基本相同。它们常互换使用,但意义有细微差别。even if引导的让步从句含有强烈的假定性,可用来表示与事实相反的假设,但不能用来描述已经发生的事实。而even though引导让步状语从句时,是以从句的内容为先决条件的,即说话人肯定了从句的事实,表示已经发生了的事。 如: Well make a trip even if/though the weather is bad. 即使天气不好,我们也要作一次旅行。 (4)whether.or.表示“不论是否”,“不管是还是”之意。 由这一个复合连词引导的让步状语从句旨在说明正反两方面的可能性都不会影响主句的意向或结果。 如: Youll have to attend the ceremony whether youre free or busy. 不管你忙不忙,都要参加这个典礼。 Whether you believe it or not, its true.无论你是否相信,这都是真的。 (5)“no matter+疑问词”或“疑问词-ever”的含义为“都;不管都” 它们引导的让步状语从句可以互换。 如: No matter what happened, he would not mind. (=Whatever happened, he would not mind.) 无论发生了什么,他都不会介意的。 No matter who you are, you must keep the law.(=Whoever you are, you must keep the law. 不管你是谁,你都要遵纪守法。 但“no matter+疑问词”结构只能引导让步状语从句,而“疑问词-ever”还可以引导名词性从句。如: Whatever(=No matter what) you say, I wont believe you. (Whatever 引导让步状语从句) 无论你说什么,我都不会相信你。 Ill eat whatever (no matter what) you give me. (whatever引导宾语从句)你给我吃什么,我就吃什么。 Whoever es will be wele. (Whoever 引导主语从句) 不管谁来都受到欢迎。 此外,有时while也可以引导让步状语从句,但一般要位于句首。如: While I like the colour, I dont like the shape.我虽然喜欢那颜色,但不喜欢那形状。二、原因状语从句的用法1. 引导原因状语从句的从属连词主要有because, as, since, now that等;2. as 与since, now that 一样表示双方都知道的原因,通常位于主句前,且均不可用于强调结构被强调。3. 当表示直接的因果关系,回答why时,或有only, just, all not ,but等修饰时,或用在强调结构中都只能用 because。三、目的状语从句的用法引目的状语从句的从属连词有so(以便), that(以便), so that(以便,为了), in order that (为了,以便);in case(以防,以免), lest(免得,以防), for fear that(以免,惟恐)等。从句中一般含有can, could, may, might, will, would等情态动词。如: Bring it closer so (that) I can see it better. 拿近一点以便我看得更清楚。 Lets take the front seats that we may see more clearly. 咱们坐前排,以便看得清楚点。 I left at 6:00 so that/in order that I could catch the train. 为了赶上火车,我六点就出门了。 I shall write down your telephone number that I may not forget. 我要把你的电话号码写下,以免忘了。 Take the raincoat in case it rains. 带着雨衣,以防下雨。 Be careful lest you fall from that tree. 要当心, 以免从树上摔下来。 He walked fast for fear that he should be late. 他走得很快,以免迟到。 注:当从句主语与主句主语相同时,可用不定式来表达相同的意思。如: 译:为了通过考试,他学习非常努力。正:He studies very hard so that(=in order that) he can pass the exam. 正:He studies very hard so as to (=in order to) pass the exam.1. _the students came from different countries, they got along quite well in the summer camp.A. WhileB. UnlessC. SinceD. Until【答案】A2. Cathy had quit her job when her son was born _ she could stay home and raise her family. A. now that B. as if C. only if D. so that【分析】考查连词。A.now that既然;B.as if好像;C.only if只要;D.so that以便。这里是so that引导的目的状语从句。句意:当Cathy的儿子出生的时候,她就放弃了自己的工作,以便呆在家里照顾家人。根据句意故选D。【答案】D 区分while引导的并列句与状语从句while 引导并列句时,表示前后句之间的对比,意为“然而”。 引导时间状语时,表示“当时” 引导让步状语从句,表示“虽然,尽管”He went out for a walk, while I stayed at home. 他出去散步了,而我却呆在家里。 I like singing while she likes dancing. 我喜欢唱歌,而她喜欢跳舞。While I was watching TV, the bell rang. 我看电视时,铃响了。While it was late, he went on working. 虽然很晚了,但他还在继续工作。as/when/while引导时间状语的区别as 着重强调主句与从句的动作或事情同时或几乎同时发生,as从句中的谓语动词既可是持续性动词,也可是短暂性动词。when既可以表示在某一点的时候,又可以表示在某一段时间内,主语与从句的动作或事情可以同时发生也可以先后发生。while“当时;在期间”,从句中动词一般要用延续性动词,并且while强调主句所表示的动作持续与从句所指的整个时间内。sothat, suchthat引导结果状语从句sothat“如此以至于”,引导结果状语从句,常用于以下结构: 形容词/副词so many/few+可数名词复数 +that从句 much/little+不可数名词 形容词+a(n)+可数名词单数suchthat“如此以至于”,引导结果状语从句,常用于以下结构: 形容词+可数名词复数such 形容词+不可数可数名词复数 +that从句 a(n)+形容词+可数名词单数注意:little意为“少”时,构成so little; 意为“小”时,构成such little。Such a little boy has so little difficulty in working out this problem that I admire him very much. 这样小的一个男孩解这道题所遇到的困难是如此之少,以至于我很佩服他。where引导定语从句与状语从句的区别1. where引导定语从句时, where是关系副词,在从句中作地点状语,其前面有表示地点的先行词, where引导的 从句修饰先行词。如: The bookshop where I bought this book is not far from here.我买这本书的那个书店离这里不远。 This is the house where I lived two years ago.这就是我两年前住的那个房子。 We will start at the point where we left off.我们将从上次停下来的地方开始。 2. where引导状语从句时, where是从属连词, where引导的从句修饰主句的谓语动词, where前面没有表示地 点的先行词。如: Wuhan lies where the Changjiang River and the Han Jiang River meet.武汉位于长江和汉江汇合处。1.【2018北京卷单项填空】_ we dont stop climate change, many animals and plants in the world will be gone.A. Although B. While C. If D. Until【答案】C2.【2018江苏卷单项填空】 _ youcansleepwell,youwilllosetheabilitytofocus,planandstay motivatedafter one ortwonights.A. Once B. UnlessC. If D. When【答案】B【解析】考查连词词义辨析及语境理解。句意:除非你睡得好,否则一两个晚上之后,你会失去专注、计划和保持动力的能力。A. Once一旦;B. Unless除非;C. If如果;D. When当时候。故选B。点睛:本题考查连词辨析。解题时要区分清选择项的含义与区别,再联系句意进行判断,从而选出正确答案。3. 【2017北京卷单项填空】 _ birds use their feathers for flight, some of their feathers are for other purposes.A. Once B. If C. Although D. Because【答案】C【解析】考查状语从句。 前后两句之间是转折关系,故选C。句意:虽然鸟儿用它们的羽毛来飞行, 但是有些羽毛也可用作其他用途。4. 【2017北京卷单项填空】 If you dont understand something, you may research, study, and talk to other people _ you figure it out.A. because B. though C. until D. since【答案】C【解析】考查状语从句。 根据句意可知用until,表示“直到”。句意:如果你遇到不明白的东西,可以研究、学习、与人交流,直到你弄清楚。5. 【2017江苏卷单项填空】Located _ the Belt meets the Road,Jiangsu will contribute more to the Belt and Road construction.A. why B. when C. which D. where【答案】D6. Bring the flowers into a warm room _ theyll soon open.Aor BandCbut Dfor【答案】B【解析】本句为“祈使句and/or陈述句”句型。根据题意,应为顺承关系。故选B项。7. John plays basketball well,_ his favorite sport is badminton.Aso Bor Cyet Dfor【答案】C【解析】句意:约翰篮球打得很好,然而他最喜欢的运动是打羽毛球。四个选项中表示转折的连词只有yet。8. _ the fire breaks out,he is the first to arrive at the scene.AEvery time when BMomentCNo matter whenever DEvery time【答案】D【解析】句意为:每一次发生火灾,他总是第一个到达现场。every time用作连词,引导时间状语从句。9. They will not start the work _ their teacher es back.A. while B. until C. as soon as D. if【答案】B【解析】本题考查连词的使用。本题的含义为直到他们的老师回来,他们才开始工作。本题中的notuntil表示“直到才”的含义,与题意相符,而while当时候,as soon as一就,if如果。10. Tony, dont stay up too late, _ youll feel sleepy in class. I wont, Mom. Good night.A. but B. or C. though D. because【答案】B【解析】句意:Tony不要熬夜太晚,否则你上课时会困。A. but 但是; B. or否则; C. though 虽然。D. because 因为。 故选B。11. What do you think of a good friend? Friends are like booksyou dont need a lot of them _ theyre good.A. as long as B. as soon asC. as well as D. as large as【答案】A12. _ it is raining hard, they are still working in the field.A. Because B. As soon asC. Though D. Unless【答案】C【解析】句意:尽管雨下得很大,但是他们仍然在田地里干活。Because因为; As soon as一就;Though虽然,though与but 不能在一个句子中同时出现;Unless除非。所以选C。13. She cared more about her students than her own health. Thats why two years passed _ she was treated for breast cancer.A. since B. before C. after D. until【答案】B【解析】句意:她关心自己的学生要超过关心自己的身体健康,这就是为什么两年后她被诊断为乳腺癌。考查状语从句。此处表达“在她接受乳腺癌治疗之前过去了两年” 。也就是“两年过后她” 是before引导的时间状语从句。14. It is well-known that atmosphere gets thinner and thinner _ the height increases.A. while B. when C. as D. with【答案】C15. I dont want to talk to you _ youre so annoyed and impatient.A. when B. unless C. though D. till【答案】A【解析】句意:既然你这么生气,不耐烦,我不想和你说话了。when引导状语从句有时可以表示理由,意为
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