Question

7．DNA的發現是近百年來最重要的發現之一，它已經且將繼續影響人們的生活．請根據下列要求，寫一篇短文．內容包括：
1．舉例說明帶來的好處；
2．舉例說明可能造成的弊端；
3．談談你的看法．
注意：詞數100左右．
As we know，the discovery of DNA has been called the most important biological work of the last 100 years．（高分句型一）
　　We have already experienced the benefits in many ways．To give a few examples，the police can catch the criminal by comparing DNA samples．Scientists can insert new genes into unborn babies to cure diseases．Besides，we can improve the crops and increase output，which can help avoid world food crisis．（高分句型二）
　　On the other hand，if improperly used，it may bring us a lot of disadvantages．If we start choosing the gender of the baby，what might the consequences be？What‘s more，Some food，developed through this technology，may have side effects on people's health．（高分句型三）
　　Genetics is a science that will continue to have an enormous influence on our lives．We should use it to make our lives better．．

Answer 1

分析 本篇書面表達屬于提綱類作文，根據提示信息DNA的發現是近百年來最重要的發現之一，它已經且將繼續影響人們的生活．請根據下列要求，寫一篇短文，寫作時注意以下幾點：1、仔細閱讀有關提示，弄清試題提供的所有信息，要點包括：舉例說明帶來的好處；舉例說明可能造成的弊端；談談你的看法2、提綱是文章的總體框架，要在提綱的范圍內進行分析、構思和想象．要依據提示情景或詞語，按照一定邏輯關系來寫．本文寫作時可以按照要點所給的順序寫．3、根據要表達的內容確定句子的時態、語態．4．注意使用高級詞匯和句式，以增加文章的亮點．
【亮點說明】本文結構緊湊，層次分明，而且使用了多種表達：As we know眾所周知；Besides，另外；On the other hand另一方面；What‘s more而且；have side effects on對…由副作用；
  As we know，the discovery of DNA has been called the most important biological work of the last 100 years．（高分句型一）
Besides，we can improve the crops and increase output，which can help avoid world food crisis．（高分句型二）
What‘s more，Some food，developed through this technology，may have side effects on people's health．（高分句型三）

解答 As we know，the discovery of DNA has been called the most important biological work of the last 100 years．（高分句型一）
 　  We have already experienced the benefits in many ways．To give a few examples，the police can catch the criminal by comparing DNA samples．Scientists can insert new genes into unborn babies to cure diseases．Besides，we can improve the crops and increase output，which can help avoid world food crisis．（高分句型二）
　　On the other hand，if improperly used，it may bring us a lot of disadvantages．If we start choosing the gender of the baby，what might the consequences be？What‘s more，Some food，developed through this technology，may have side effects on people's health．（高分句型三）
　　Genetics is a science that will continue to have an enormous influence on our lives．We should use it to make our lives better．

點評 英語寫作是一項主觀性較強的測試題．它不僅考查學生的寫作基礎而且還考查學生在寫作過程中綜合運用語言的能力．在撰寫時要注意主謂語一致，時態呼應，用詞貼切等．要提高英語寫作水平，需要兩方面的訓練：一是語言基礎方面的訓練，要有扎實的造句、翻譯等基本功，即用詞法、句法等知識造出正確無誤的句子；二是寫作知識和能力 方面的訓練以掌握寫作方面的基本方法和技巧．