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：
I Spent my last vacation happily.
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.
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：
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.
用回忆的方法来开头。例如“A Trip to the Taishan Mountain”(泰山游)的开头是：
I remember my first trip to the Taishan Mountain as if it were
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：
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.
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.
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”
In this article I shall draw your attention to the subject of pollution
The Chinese news agency Xinhua says the People's Daily newspaper have both
carried reports suggesting that the addition of industrial chemical melamine to
animal feed in China is an open secret. Quentin Sommerville reports from
Animal feed in China is routinely contaminated with industrial chemical
melamine， according to the country's state media. Chemical firms have been
repackaging scrapped melamine as protein powder and selling at home. When added
to the feed， it gives the illusion of boosting nutritional levels. China's
melamine scandal began in the dairy industry， 4 babies died and 20 thousand
children were hospitalised after the chemical was added to milk. This week， the
authorities in Hong Kong discovered melamine in 4 brands of Chinese produced
eggs. It's believed they have got there because of contaminated animal feed.