就交待清楚文章的主题是什么。 time or environment揭示主题 "how i spend my vacation" begins with:
1．开门见山，揭示主题
1. get to the point and reveal the theme
文章一开头，就交待清楚文章的主题是什么。如“how i spent my vacation”(我怎样度假)的开头是：
at the beginning of the article， explain clearly what the theme of the article is. for example， "how i spend my vacation" begins with:
i spent my last vacation happily．
下面是题为"honesty"(谈诚实)一文中的开头：
here is the beginning of the article entitled & quot; honesty & quot
honesty is one of the best virtues．an honest man is always trusted and respected．on the contrary， one who tells lies is regarded as a "liar"，and is looked upon by honest people．
2. explain the beginning of a person， event， time or environment
在文章的开头，先把人物、事件和环境交待清楚。例如"a trip to jinshan" (去金山旅游)的开头：
at the beginning of the article， the characters， events and environment should be explained clearly. for example， the beginning of & quot; a trip to jinshan & quot
the day before yesterday my class went on a bus trip to jinshan。 the bus ride there took three hours。 the long trip made us very tired， but the sight of the beautiful sea refreshed us。
the day before yesterday my class went on a bus trip to jinshan。 the bus ride there took three hours。 the long trip made us very tired， but the sight of the beautiful sea refreshed us。
3。 回忆性的开头
3. a memorable beginning
用回忆的方法来开头。例如"a trip to the taishan mountain"(泰山游)的开头是：
start by remembering. for example， a trip to the taishan mountain begins with:
i remember my first trip to the taishan mountain as if it were yesterday。
4．概括性的开头
4. general beginning
即对要在文章中叙述的人或事先作一个概括性的介绍。如“the happiness of reading books”(读书的快乐)的开头：
that is， to give a general introduction to the person to be narrated in the article. such as the beginning of "the happiness of reading books":
people often say that gold and silver are the most valuable things in the world。 but i say that to read books is more valuable than anything else， because books give us knowledge and knowledge gives us power。
people often say that gold and silver are the most valuable things in the world。 but i say that to read books is more valuable than anything else， because books give us knowledge and knowledge gives us power。
5．介绍环境式的开头
5. introduce the beginning of environment
即开头利用自然景物或自然环境引出要介绍的事物。如“an accident”(一场事故)的开头是:
that is to say， to use natural scenery or natural environment at the beginning to introduce things. for example， "an accident" begins with:
it was a rainy and windy morning。 the sky was gloomy， the temperature was low， and the street was nearly empty。 i was on my way back to school。 suddenly， a speeding car came round the corner。
it was a rainy and windy morning。 the sky was gloomy， the temperature was low， and the street was nearly empty。 i was on my way back to school。 suddenly， a speeding car came round the corner。
6．交待写作目的的开头。
6. explain the beginning of writing purpose.
在文章的一开头就交待写作目的，如通过文章要表扬谁，批评谁，或说明一个什么问题等。如 "pollution control" (控制污染)的开头：
at the beginning of the article， explain the purpose of writing， such as who should be praised， criticized， or explained a problem. for example， at the beginning of pollution control:
in this article i shall draw your attention to the subject of pollution control。
