与英语记叙⽂和英语描述⽂相⽐，英语说明⽂的语⾔特征并不那么明显。但尽管如此，也还是有⼀些语⾔现象在英语说明⽂中经常出现。
  1.时态相对较为统⼀：多⽤现在时态
  由于说明⽂往往是对客观事物或事理的⼀种介绍与解释，⽽这种客观的介绍与解释⼀般是不随时间和空间变化⽽改变的，⽐如：说明早锻炼的好处，介绍猫的胡⼦的功能，解释臭氧层对⼈类⽣活的影响等等，是不受时间和空间影响的。因此，尽管有时为了特殊表达的要求，会在个别地⽅采⽤其他时态，英语说明⽂的基本时态还是⼀般现在时。下⾯这篇由⾹港学⽣写的作⽂充分反映了说明⽂的这⼀特点。
  The Way to Achieve Success
  Many successful people say that they owe much of their success to the cultivation （培养） of certain good habits in early life. In forming good habits， I think we should pay attention to four things， that is， honesty， industry （勤勉），enthusiasm （热情）， and thrift （节俭）。
  “Honesty is the best policy”。 This is a proverb to which we must pay attention. There are so many temptations （诱惑）in society that through a little carelessness we may go astray （⾛⼊歧途）。 But when we are honest， people will not be dishonest to us.
  Industry gives every man and woman， every boy and girl， proper work to do. To do nothing is to ruin oneself.
  Enthusiasm is a great force. One's soul will expand if one devotes （贡献） oneself to a noble cause. The difficulties in our way are tremendous （巨⼤的）， but what can we not accomplish （取得）， if with enthusiasm？thrift
  There are many proverbs which set forth （陈述） the advantages （好处） of thrift. Since we live in a world where money is a very powerful thing， we should always try to save part of our earnings for future use.
  These are the four things to which we must pay attention. It is only in this way that we can achieve success.
  2.采⽤客观表述，避免主观⾊彩
  由于在很多情况下，说明⽂是对客观存在的说明与介绍，因此语⾔的表述也应该尽可能地给⼈以客观可信的感觉，⽐如：
  （1）I think that getting up late is not always a bad thing.
  （2）It is said that getting up late is not always a bad thing.
  相⽐之下，例（2）的语⾔要⽐例（1）的语⾔客观⼀些，容易让⼈接受⼀些。如果再作⼀些表述上的改动：
  （3）Getting up late is not always a bad thing， according to Franklin Smith， a well-known psychologist in Stanford University.
  引进⼈⼠作为信息的来源，可以使想要说明的内容更具有说服⼒。如果我们将例（3）中的always再改为necessarily，就可使整个句⼦更客观、委婉，便于为读者接受：
  （4）Getting up late is not necessarily a bad thing， according to Franklin Smith， a well-known psychologist in Stanford University.
  在英语中，采⽤被动语态，引进权威的信息来源以及选⽤委婉的词语是使说明⽂避免主观⾊彩，增加客观性，从⽽为读者接受的重要语⾔⼿段。

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