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作文常見的開頭形式大致有以下幾種：

1.開門見山，揭示主題

文章一開頭，，就交待清楚文章的主題是什么。如“How I Spent My Vacation”(我怎樣度假)的開頭是：

I Spent my last vacation happily.

下面是題為“Honesty”(談?wù)\實(shí))一文中的開頭：

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.交代人物、事情、時(shí)間或環(huán)境開頭

在文章的開頭，先把人物、事件和環(huán)境交待清楚。例如“A Trip to Jinshan” (去金山旅游)的開頭：

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.回憶性的開頭

用回憶的方法來開頭。例如“A Trip to the Taishan Mountain”(泰山游)的開頭是：

I remember my first trip to the Taishan Mountain as if it were yesterday.

4.概括性的開頭

即對(duì)要在文章中敘述的人或事先作一個(gè)概括性的介紹。如“The Happiness of Reading Books”(讀書的快樂)的開頭：

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.介紹環(huán)境式的開頭

即開頭利用自然景物或自然環(huán)境引出要介紹的事物。如“An Accident”(一場事故)的開頭是：

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.交待寫作目的的開頭。

在文章的一開頭就交待寫作目的，如通過文章要表揚(yáng)誰，批評(píng)誰，或說明一個(gè)什么問題等。如 “Pollution Control” (控制污染)的開頭：

In this article I shall draw your attention to the subject of pollution control.

毒雞蛋的英語作文

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 Beijing.

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.