《英文天天写》是沪江社团一档写作类社刊，其目的在于提升大家的英语写作能力。每期节目主持人都会给出一个话题，积极参加的童鞋还会得到主持人的专业点评哦！想提高英语写作的童鞋千万不要错过哦！去沪江社团订阅本社刊！

         

话题：

Writing: imagine a scenario or express your opinion
Percent yield
Percent yield means the amount of actual product as a ratio to the theoretical amount of product. What is the percentage yield referring to? Is the percentage yield low or high?
This week's topic: They calculated the percentage yield... (90-110 words)

Suggestions:
1) calculating the percent yield in an experiment
2) maximizing the percent yield
3) percentage yield inconsistent
4) modifying the percentage yield
5) Instead of writing a scenario, feel free to comment on the story below.

范例1：

Although the overall yield might be lower, the percentage yield of the intended catch would be much greater. This trap setting method was thus more sustainable than sea floor scraping since the habitat was much less disturbed that way. It was important for people to be aware of the concept of sustainability. In terms of food choices people made, if everyone was more aware of how the food on their plates came to be, not only would it be more healthy for their bodies, the environment would be in a much better place as well.

想要得到专业主持人的点评和意见吗？快来节目现场一试身手吧>>