请看下面一题：It is so difficult a problem that _________ student in this class _________ work it out.A. any, can't B. no, can C. every, can D. no, can't【分析】此题很容易误选A，因...

■按照限定词与限定词的相互搭配关系，限定词可分为前位限定词(pre-determiner)、中位限定词(central determiner)和后位限定词(post-determiner)。■限定词的相互搭配关系为：前位+中位+后位■...

I was a little boy two years ago.（一般过去时）两年前我还是个小男孩。我是一个小男孩。You were in Shanghai last year.（一般过去时）你去年在上海。You are in Shanghai. （一般现在时）...

1. in 表示在某地范围之内。如：Shanghai is/lies in the east of China. 上海在中国的东部。2. to 表示在某地范围之外。如：Japan is/lies to the east of China. 日本位于中国的东面。3. on ...

1.There are some good reasons for…(分析原因)two possible 人民生活状况的改善原因有两点。首先，我们一直在贯彻执行改革开放政策。其次，国民经济正在迅速发展，而且出生率已经得到控制。 T...

废物再利用(Reuse the Wastes)In everyday life, we have a lot of things, such as used paper, old newspapers,used plastic bags, cans, bottles and so on. It is important to make good u...

    THE UNREADY    It is rashly said that the senses of children are quick. They are, on the contrary, unwieldy in turning, unready in reporting, unti...

一、加法运算的表示常用and, plus, add 等表示。如：Seven and [plus] eight is [are, make(s)] fifteen. 7加8等于15。If you add ten to eight, you get eighteen. 10加8等于18。二、减法运算...

1. Mr 意为“先生”，是 mister 之略，用于男子的姓（名）或职务之前；Mrs 意为“夫人”，是 mistress 之略，用于已婚妇女，其后通常接丈夫姓（名）或自己婚后的姓名。如：Mr (John) Brown （约...

1. because 表示的是必然的因果关系，语气最强，通常放在主句之后，若需强调则放在主句之前……2. 通常用来回答 why提出的问题。如：A：Why can't you do it now?你为什么不现在就做呢?B：Becau...