题目内容

16.假如你是某中学的学生Tom.前不久,你参加了全国英语演讲比赛并获得一等奖.请用英语给报刊写一篇文章,谈谈你的体会.内容主要包括:
1、付出才有回报; 2、收获自信和友谊; 3、感激之情
注意:1.词数100个左右;  2.可适当增加细节使行文连贯;
参考词汇:全国英语演讲比赛the National English Speaking Competition.

分析 这是一篇提纲类作文,由于叙述体会,所以应该以一般现在时态和一般过去时态为主,用第一人称来叙述.文章主要分成三部分:一 点明写作目的;二 比赛体会;三 总结语.
高分句型
1.Looking back to the National English Speaking Competition I took part in several days ago(doing做状语,look back to 和主语I是主动关系),I have a lot to share with you.
回顾几天前我参加的全国英语演讲比赛,我有很多东西和你分享.
2.I feel really delighted that(that引导原因状语) I've won the first prize in the competition,which (引导定语从句,which代指主句表示的这件事)makes me understand the true meaning of the proverb"No pains,no gains".
我真的很高兴我在比赛中获得了一等奖,这件事让我明白了"不劳无获"这句谚语的真谛.

解答 Looking back to the National English Speaking Competition I took part in several days ago,I have a lot to share with you(写作目的)(高分句型一).
     Firstly,I feel really delighted that I've won the first prize in the competition,which makes me understand the true meaning of the proverb"No pains,no gains"(高分句型二).Besides,I've established the friendship with students from all over our country,from whom I've learned a lot.More importantly,taking this competition has enabled me to overcome my fear of speaking in public,thus developing mu self-confidence.Additionally,I owe many thanks to my teachers and judges,without whose help,I couldn't have done such an excellent job(比赛体会).
    To sum up,I will always treasure this meaningful and memorable experience(总结语).

点评 英文写作特别强调条理性,所以一些表示先后关系的连词的运用特别重要,例如本文中的Firstly,Besides,More importantly,Additionally.

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17.Planting trees around poultry(家禽) farms can improve air and water quality-and relations  with neighbors.Research has shown that just three rows of trees near poultry houses can reduce the release of dust and ammonia (氨).They can also reduce the strong smell of ammonia gas.
The trees capture dust,ammonia and smells in their leaves.They can also reduce energy use.They also provide shade from the sun,so they reduce cooling costs in summer.And they act as a windbreak,so they reduce heating costs in winter.Trees can also improve water quality around farms by removing pollutions from soil and groundwater.
Several years ago,people were objecting to the smell of poultry farms on the Delmarva Peninsula in the eastern United States.Delmarva is where the states of Delaware,Maryland and Virginia come together.Two thousand farms there can each house an average of seventy-five thousand chickens.
Traditionally the farms used windows to provide fresh air in the chicken houses.Farmers rarely planted trees or tall crops around the buildings,so there would be no barrier to the airflow.
But then in the 60s,farms began to use mechanical ventilation(通风) systems.Instead of windows,the mechanical systems used tunnel fans to circulate(使…循环) air.The fans directed airflow from the poultry houses toward the homes of neighbors.
Researchers began dealing with the problem in 2000.They found that over a period of six years,planting three rows of trees reduced total dust and ammonia by more than half.And they found that smells were reduced by 18%.
Farmers may think trees will take too long to grow and be effective.But some trees can grow quickly.At least one-third of the Delmarva farms have planted trees,technically known as vegetative environmental buffers.The idea offers a way to cut pollution,save money and energy,and make the neighbors happy.

81.How did the mechanical ventilation system work?By using tunnel fans to circulate air
82.The number of chickens raised on the poultry farms in Delmarva is up to150 million.
83.The benefits of planting trees around poultry farms arecutting pollution,saving money and energy,and make the neighbors happy.
84.What is the main topic of the passage?The benefits of planting trees around poultry farms.

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