and表示两者合并,or表示两者之一。and用作连词,主要用来连接两个或两个以上的词、短语或句子。or为并列连词,含有选择意义,必须连接同等成分的词、短语或句子,并使用同一种形式。 1、and和or的用法区别 ①并列结构中,and用于肯定句,or通常用于否定句表示“和,与”之意...
sex, and generation. In terms of class, digital divide exists among different types of workers and between the upper and middle classes and the lower class. With 43 to sex,...
94. What is the first thing you will do when you arrive at a new place? ( 5 - 6 ) The first thing I usually do when I arrive at a new place is to find out where the nearest...
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