集合名词population的用法
population的基本意思是“人口”，是个集合名词。（集合名词有些只表示复数意义，<如people，例句：People are not interested in such things.人们对那样的事不感兴趣。这里People是复数，...
a、an的特殊位置用法说明
a、an特殊位置有哪些呢，今天跟大家说一下。I have never seen such a beautiful bird before.我从未见过如此美丽的鸟儿。He bought half a kilo of pork.他买了半斤猪肉。What an amazing flow...
助动词be的用法与例句
1．构成进行时态(be+现在分词)I am seeing a friend off.我在给一个朋友送行。She was telling us a story.她在给我们讲故事。He will be leaving tomorrow．他明天走。What have you been doin...
商务英语Email高频起头句
1)we have (take) pleasure in informing you that...... 兹欣告你方......2)we have the pleasure of informing you that...... 兹欣告你方.....3)we are pleased (glad) to inform you that.....
BEC写作：BEC商务英语高级写作范文：Aletter
为了方便同学们的学习，新东方在线BEC商务英语网为大家准备了BEC写作：BEC商务英语高级写作范文：A letter，希望以下内容能够为同学们的BEC商务英语听力备考提供帮助!更多与BEC商务英语相关的资...
2015考研英语作文范文61：最重要的一种技能
What is a very important skill a person should learn in order to be successful in the world today? Choose one skill and use specific reasons and examples to support your choice. Th...
否定转移的形式
1. 形式上否定主句的谓语，实际上是否定从句的谓语当动词think, believe, suppose, imagine, expect, feel的主语是第一人称、谓语动词为没有任何副词修饰的一般现在时，它们的否定式实际上是对...
过去式与过去完成时
过去时：2）过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语: yesterday, last week，…ago, in1980, in October, just now, 具体的...
