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中考语法复习：连词讲解及提升练习一．连词：1并列连词1)并列连词主要有：and，but，or，nor，so，therefore，yet，however，for，as well as，both…and, not only…but also. either…or, neither…nor, then等。 2)高频并列连词的用法： a．并列句与带状语从句复合句的互相转换： (1)祈使句+and/or+-般将来时转换为if条件句 Study hard and you will catch up with your classmates. If you study hard, you will catch up with your classmates. (2)…but…并列句转换为although/though让步状语从句 It was getting late, but Mr. Smith still worked in the field. Though it was getting late, Mr Smith didn't stop working in the field.b．neither和so在倒装句中的使用：当我们要表示与对方观点一致时（赞同或不赞同），常用“neither/so+助动词/be动词十主语”这个结构。上文是肯定句的，用so；上文是否定句的，用neither或nor。助动词的时态与上文句中的时态需要一致；助动词的数与其后面的主语需要一致。-I didn't use to wash hands before meals. -Nor/Neither did I. -I was interested in science fiction. -So was I. -Tom likes watching football games very much.-So do I.c．or和and并列结构中，or通常用于否定句，and用于肯定句，但有时and也可用于否定句。There is no air or water on the moon.There is no air and no water on the moon在否定中并列结构用or连接，但含有两个否定词的句子实际被看作肯定结构，因此用and。2从属连词1)常见的从属连词有：after，when，before，as，while，since，once，until, till，although，though, if, even if, unless, because, than, whether, so that, as soon as, as long as, in order that, as if, as though, now that, so that, such that等。 2)高频从属连词的用法。 1．引导时间状语从句的从属连词： (l)表示“当……时候”或“每当”的时候连词。主要when，while，as，whenever，等； He jumped up when the phone rang.当电话铃响时他吓了一跳。 (2)表示 “自从”或 “直到”的时间连词。主要有since，until，till等； Most men worked until/till they're 65.大多数男人工作到65岁。 2．引导条件状语从句的从属连词： 这类连词主要有if，unless, as\so long as，in case等。 If anyone calls, tell them I'm not at home. 要是有人打电话来，就说我不在家。 3．引导目的状语从句的从属连词： 主要有in order that，so that，in case，for fear(that)等。 Speak clearly so that they may understand you. 说清楚，以便让他们能明白你的意思。 4．引导结果状语从句的从属连词： 主要有so that，so that，such that等。 It's so difficult a question that none of us can answer it.易错点：就近就远原则：Both…and.，neither…nor.，either…or.是另一组并列连词，分别对两者表示全部肯定、全部否定和局部肯定。Both…and.在并列两个主语时，动词职复数；而其他两个在并列两个主语时，动词却是“就近原则”。 Both he and I:are teachers.（动词用复数） Either he or I am wrong．（就近原则）Neither he nor I am a teacher．（就近原则）2 Not only…but also…和…as well as.这两组也是并列连词，在句中并列两个相同的成分，但侧重点略有不同：not only…but also.强调的是后者；而…as well as.强调的却是前面部分。这两个词组也能并列两个主语，但主谓语的一致是不同的。Not only…but also…并列两个主语时，谓语动词采用的方法是“就近原则”；而…as well as…并列两个主语的时候，谓语动词是要与其前面的主语取得一致。 Mr. Lee is not only our teacher but also our friend.（老师是职业，朋友才是递进） Mr. Lee is our friend as well as our teacher;（除了是老师外，还是朋友，侧重点在前面） Not only Tom but also I am interested in the film.（就近原则，谓语动词与I取得一致） I as well as Tom am interested in the film.(句中的as well as Tom只是一种补充说明）注意：使用就近原则的结构有：not only…but also…，either…or…., neither…nor…, there/here be.；而谓语动词跟前面一个主语（有时也称就远原则）的结构有：A as well as B; A with B; 巩固提升：一、单选题1．Some rules have been introduced to keep us safe from Covid-19, ________ we should obey them.A．orB．andC．butD．for2．There was something wrong with my car this morning, ________ I took a taxi to my office.A．forB．soC．andD．or3．Many students go to that bookstore, ________ it has lots of reference books they can choose from.A．andB．soC．forD．but4．We heard a strange noise from upstairs, I phoned the police.A．butB．orC．soD．for5．Parents should keep an eye on little children all the time, they can easily get hurt.A．orB．andC．butD．so6．“You can read the comic strips, you must finish your homework first.” said Mom.A．forB．orC．soD．but7．They rushed to the hospital, they were too late.A．butB．thoughC．orD．so8．The old lady is not rich, ______ she often gives some money to charity.A．butB．orC．soD．and9．“I’d like to go to the concert with you tonight, I’m too busy.” Ann said to me.A．butB．forC．orD．so10．I knew it was only a model, ________ it looked very real.A．andB．butC．soD．or11．Cakes from the supermarket are usually terrible, I always bake my own cakes.A．orB．butC．forD．so12．Beijing has made history in winning the bids to host both the summer ________winter Olympic games.A．butB．orC．soD．and13．Online games are very attractive ， ____________we shouldn't spend too much time on it．A．butB．orC．soD．because14．Online games are very interesting, ______ children can't spend too much time on it．A．andB．butC．soD．or15．Amber found there was no mobile phone signal, she used rocks to spell out ‘HELP’.A．soB．butC．forD．or16．Mom hated the latest action movie，______ Dad thought it was a good one．A．soB．andC．orD．but17．My neighbor has bought an electric self-balancing scooler(平衡车)， it is convenient for him to work.A．andB．orC．althoughD．if18．English is quite difficult for Julie, ________ she will not give it up.A．butB．forC．orD．so19．Now I must go, ______ I shall be late for the birthday party.A．andB．soC．butD．or20．I like the film “The Martian” best, it __ shows a lot of imagination,__ has a sense of humor.A．both, andB．neither, norC．not only, but alsoD．either, or21．A plain Jane is a woman who is ________ ugly ________ pretty, and you will never notice her in a crowd.A．both... andB．either... orC．not only... but alsoD．neither... nor22．Mr. Kenji is from Japan, ________ he can speak English as well as an Englishman.A．orB．butC．andD．so23．In most stores, customers can pay in cash, ______ they can use their credit cards.A．butB．orC．soD．for24．Record your voice while reading English, ______ you will find your weak parts and practise them.A．butB．orC．soD．and25．I enjoy adventure films, but ______ my father ______ my mother likes it.A．neither...norB．not only...but alsoC．either...orD．both...and26．Parents should always keep an eye on little children, ______ they may get lost.A．soB．butC．orD．and27．The apples here look good, they taste terrible. Let’s look elsewhere before buying.A．butB．forC．orD．so28．We lost the game , _____we didn't lose hope or confidence in ourselves.A．andB．soC．butD．or29．We need to do something soon, ___ the problem will get worse.A．andB．butC．orD．so30．Mum, put on your glasses, ______ you won’t see the notice clearly.A．thenB．andC．butD．or31．Dogs are good pets, ________ I do not like it when they leave hair all over.A．orB．butC．andD．so32．Save and protect natural resources, _________ we’ll run out of them in the near future.A．andB．orC．butD．so33．The man hurried to the railway station, _______ it was too late. The train had just left.A．orB．butC．soD．for34．Please turn down the TV, _________ our neighbors will complain about it.A．soB．andC．butD．or35．Do you still want to go camping in such cold weather ______ have you changed your mind?A．andB．orC．butD．so36．Daily homework is necessary, _too much of it may bring harm to students.A．soB．forC．butD．or37．Stick to your dreams, _____ they will come true one day.A．soB．orC．tooD．and38．Everyone knows fire is very useful in our daily life, it is also dangerous.A．soB．orC．becauseD．but39．Pet raisers should look after their pets carefully, _______ they won’t be allowed to keep them any longer.A．soB．orC．andD．but40．You’d better leave home as early as possible, ________ you will be late for the flight.A．andB．butC．soD．or41．Run for more than half an hour every day, ________ you can lose your weight easily.A．orB．andC．butD．unless42． Jane, eat less junk food like fried chicken wings, ________ you will behealthier.A．orB．andC．howeverD．so答案1．B2．B3．C4．C5．A6．D7．A8．A9．A10．B11．D12．D13．A14．B15．A16．D17．A18．A19．D20．C21．D22．B23．B24．D25．A26．C27．A28．C29．C30．D31．B32．B33．B34．D35．B36．C37．D38．D39．B40．D41．B42．B

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