1. 文体介绍正式介绍信是写信人因公务把自己的同事或业务关系介绍给某单位或某个人。 这种介绍信言和格式比较规范、严谨， 内容一般包括以下几个方面：（1）简单地介绍一下被介绍人的身份和情况...

1. On no account can we ignore the value of knowledge. 我们绝对不能忽视知识的价值。 2. It is time the authorities concerned took proper steps to solve the traffic problems. 该是有...

在主动语态中，主语是谓语动词的使动方。在被动语态中，主语是谓语动词的受动方。在语法结构上，主动语态和被动语态的区别主要在于，主动语态直接使用动词原形作为谓语，然后再在该动词原形的基...

常见的时间副词有now, then, soon, ago, recently, lately, later, finally, before, early, today tomorrow, yesterday, tonight, suddenly, immediately, already, just 等。2. 时间副词在句...

    2015考研英语作文正文部分素材为大家分类整理如下，写作功底非一日促成，更不可放弃而临场发挥，希望作文模板只是考生的重要参考，积累还靠动笔头。 1.The most obvious rea...

托福大作文就是托福独立写作，托福小作文是写作的第二部分，综合写作。独立写作与综合写作不同，综合写作不会要求你给出自己的观点，或者就某一论点确立论据。所以想要写好托福大作文，你需要把...

现在进行时主要用于表示目前正在进行的动作，有时也可表示现阶段在进行的动作。如：The teacher is giving us an English lesson. 老师正在给我们上英语课。The farmers are getting in their c...

强调句将句子中的it is / was …that同时省去，句子仍然成立；而主语从句将that与后面部分代替it，成立。如：(1) It is Li Lei's brother that you met in the street yesterday. 你昨天在街上...

为大家带来社会类话题雅思写作大作文题：Some people think a rise in standard of living in a country only seems to benefit cities more than rural areas. What problems may those differ...

Suggested answer: (127words)The last years of twentieth century saw theInternet being used by more and more companies asa business tool. In 1997 e-commerce was verylimited earning ...