Unit 4 Body Language介绍性说明文介绍性说明文是根据某种特定的需要,对事物的性质、特点、功能做出客观、科学的解释,从而给人知识或传播信息的一种文体。它主要运用说明的表达方式,向别人介绍清楚事物是怎么样的。对被介绍对象起解释、阐述的作用。[基本框架]第一段:开头对要说明的事物或事情简要介绍(点题);第二段:按照题目提供的信息分层次,按照一定的顺序进行说明,注意语言的客观简明;第三段:结尾照应开头(题目没有特殊要求,不要对此事物发表看法)。[常用词块]1.be familiar with its history 熟悉它的历史2.other important aspects 其他重要的方面3.raise their awareness of keeping fit提高他们的健身意识4.play a very important role in daily communication在日常交流中起着非常重要的作用5.the reasons behind this 这背后的原因6.the application of new technologies 新技术的应用7.account for the increase 解释增加的原因8.for one reason or another 因某种理由9.a number of factors 许多因素10.be on the increase 正在增长[常用语句]★精彩开头Today, the topic is...今天的主题是……When you find/see..., what should you do?当你发现/看到……,你应该怎么做?As is known to all, it is important to...众所周知,……是很重要的。★正文佳句The reason for...is that...……的原因是……This brings out the important fact that...这引出了一个重要的事实……More importantly, you should...更重要的是,你应该……It is well known that ...is very important in our daily lives because...众所周知……在我们的日常生活中很重要,因为……...can not only ..., but also ...……不仅……,而且……...is very important/convenient/helpful when people want to...当人们想要……时,……很重要/方便/有用。★余味结尾It would give us a chance to...这将给我们一个机会……In a word, as long as you ...you can...总之,只要你……你可以……If you can do what has been mentioned above, you...如果你能做到以上所提到的,你……你知道肢体语言(body language)是什么吗?你了解它在交际中的作用吗?假设你是某英文杂志的特约小记者,请你撰写一篇稿件...