雅思语法基础训练：介词和连词 (5)

2018 年 10 月 23 日来源：朗播网

摘要：基础的语法知识对于备考雅思考试至关重要，如果语法知识不够扎实很可能就会造成我们读不懂文章，写不出正确的句子，说不出准确的英文。本文将从雅思语法基础训练入手，帮助同学们深入地了解相关的语法概念。下面我们就来看一个关于介词和连词的语法题目。

## 语法题目 ## **介词和连词第5题** He promoted the expansion of medical training to include genetics ____ supported the founding of genetics departments in North American medical schools. A. nor B. and C. while D. if ## 题目解析 ## 参考答案: B 答案解析：空格前为主谓语完整的句子，空格后又出现一谓语动词，即全句有一个主语，两个谓语。这两个谓语动词之间应用 and 连接，故选(B)。(A)用于否定句，(C)后接句子或现在分词短语，(D)接从句。翻译：他推广促进了基因学纳入了医疗训练，并且对在北美医科学院中建立基因研究部门提供了大力支持。 ## 解题思路先看句子，空格前的内容有完整的主谓结构，为主谓宾结构，时态为一般过去时，空格后又出现了另外一个表示一般过去时的动词，故可判断 promoted 和 supported 共用一个主语 he。空格前后的内容是并列的，故空格处需要填入一个连接词来连接并列谓语，故选择 B 选项 and 最为合适。其余三个选项也都可作连词，nor 表示否定，while 可接句子或短语，但意思不符，if 后接从句，故排除这三个选项。 ## 知识点梳理 ## **介词** 介词是英语词类中的一种虚词，不能独立在句中充当句子成分。但介词与其宾语一起构成介词短语以后，就可以在句中充当多种句子成分，可以作主语、补足语、定语和状语等。介词的作用：介词是把名词与动词、形容词或另外的名词连接起来，以表示前后词语之间的关系。常见介词：at, by, for, from, in, near, of, off, on, during, since, before, after, until; inside, out of, within, without, outside, throughout; as to, until after, except for; at the cost of, at the mercy of, by means of, in place of, by favor of, in spite of, in/with reference to, in/with regard with ① I have lived here for a year. ② I'll wait for you till 10 o'clock. ③ I was familiar with nobody at the meeting. ④ Swimming is good for your health. ⑤ We can see with our eyes and write with our hands. ⑥ We succeeded by cooperating with them. ⑦ She seems to know the solution to the problem. **连词** 连词是英语词类中的一种虚词，不能独立在句中充当句子成分，但可以起连接作用，即连接词与词或句与句。连词有两类：从属连词和并列连词。从属连词都引导从句，比如状语从句、定语从句等；并列连词可以连接两个互不依从的词、短语或分句。常见从属连词：when, while, as, before, after, until, till, since, if, unless, so that, because, although 等常见并列连词：and, or, but, yet, for, either…or, both…and, not only…but also, as well as, neither…nor 等 ① When he comes I'll tell him about it. ② I wasn't long before he told us about it. ③ We danced and danced until they all joined in. ④ He was worried because he hadn't had any letter from her. ⑤ Although everyone played well, we lost the game. ⑥ We were singing and dancing all evening. ⑦ She has been learning English for six years, but she doesn't speak it very well. ⑧ The days were short, for it was now December.

以上就是这道语法题的详细解析和知识梳理。同学们在备考雅思的过程中，在学习基础语法知识的同时，也可以找一些相关语法题目进行相应的雅思语法基础训练，来巩固所学习的语法知识。

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