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职称英语理工类语法词汇常见考点：并列句

　　A. 并列句：

　　由两个或两个以上相互不依从的句子构成。并列句的各个分句之前通常用并列连词连接，并列连词前可用逗号，也可不用。其结构为：简单句+并列连词+简单句。

　　主要并列连词有：and, but, or, for, so, while, however, either...or, neither...nor, not onlybut also, bothand 等

　　主要并列连词的用法

　　1 and: 意为和，而且，表示同等关系或递进关系

　　1. I went there by train and she went there by plane. 我乘火车去那里的，她乘飞机去那里的。

　　2. Her father is a doctor and her mother is a teacher. 她父亲是医生，她母亲是教师。

　　3. Tom finished his homework, and they went out to play games. 汤姆做完了作业，他们就出去玩游戏了。

　　2 but: 意为但是，表示转折关系。

　　1. She is very old but she is in good health. 她年纪很大了，但身体很好。

　　2. He is poor, but he is happy. 他穷，但是他幸福。

　　3. The man shouted to the policemen, but they didnt hear him.

　　4. Some people dont like summer, but I quite like it. 有些人不喜欢夏天，但是我很喜欢。

　　3 or: 意为或者，否则，表示选择关系。

　　1. Are you going with us or will you stay at home? 你同我们一起去，还是呆在家里呢?

　　2. The students can go swimming or they can go mountain climbing.

　　学生们可以去游泳，也可以去爬山。

　　3. Youd better go by taxi, or you will be late. 你最好乘出租车去，否则要迟到了。

　　4 for:表示因为，表示因果关系。是前果后因。

　　1. He is late for class every day, for he gets up late every day.

　　2. We passed the exam, for we studied very hard.

　　5. so: 因此，也表示因果关系，是前因后果。

　　1. He gets up late every day, so he I slate for school every day.

　　2. We studied very hard, so we passed the exam.

　　6. not only...but also意为不但而且，表示同等关系。

　　1. Not only can he drive a car, but he can also repair cars. 他不但会开车，而且还会修车。

　　2. He was not only a good father, but he was also a good husband. 他不仅是个好父亲，也是个好丈夫。

　　7. either...or意为不是就是，或者或者，表示选择关系

　　1. You can either do it by yourself or you can ask someone else to do it.

　　你或者自己做这件事，或者请别人做这件事。

　　2. Either the teacher didnt explain the sentence clearly, or I didnt understand it.

　　不是老师没有把这个句子解释清楚，就是我没有理解。

　　8. neither ...nor意为既不也不，表示选择关系，位于句首时常用倒装结构。

　　1. Neither does he like the job nor can he do it well.

　　2. Neither did he go to attend the meeting nor did he come to the office.

　　9. bothand: 两者都。。。表示并列关系

　　Both Tom and Peter are good at playing football.

　　10. while: 而。。。表示转折关系。

　　He is reading a book while his wife is watching TV.

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