positive: and和or 的区别和用法<br>1) 并列结构中,or通常用于否定句,and用于肯定句。<br>2) 但有时and 也可用于否定句。请注意其不同特点:<br>There is no air or water in the moon.<br>There is no air and no water on the moon.<br>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是肯定结构,因此要用and。<br>典型例题<br>---I don't like chicken ___ fish.<br>---I don't like chicken, ___ I like fish very much.<br>A. and; and B. and; but C. or; but D. or;and<br>答案C。否定句中表并列用or, but 表转折。<br>判断改错:<br>(错) We will die without air and water.<br>(错) We can't live without air or water.<br>(对) We will die without air or water.<br>(对) We can't live without air and water.
negative: 1、to表示在某范围之外,两者之间可以互相连接,也可以不连接。2、on表示在某范围之外,两者之间一般互相连接。3、in表示在某范围之内,是其中的一2.短语搭配1、keep one's nose to the grindstone埋头苦干2、put paid to结束(打破) 3、to a nicety精细入微地4、to advantage有利5这几个词你理解的都对,我再各举个例子:1 u2是you too还是you to那要看具体语境了you too 你。<br>H<br>Hit&R·五年seo技术,喜欢建站、研究排名优化技术,欢迎互撩!