the increase in food production owes much to fertilisers and better machinery, but some people think that it has a negative impact on human health and community. to what extent do you agree or disagree?
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小作文是4个饼图，对比undergraduates and postgraduates 对于library资源的意见。
大作文是Food produced in greater amount and much cheaply due to the developed fertilizers and better machinery yet some others say it is dangerous to human health and local communities. To What extent do u agrees or disagree ?（由于化肥和机械生产食物很便宜，但是这会对人身健康和当地社区有负面影响，你多大程度同意?）
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1、小作文(饼 图)：大学图书馆内本科生和研究生对印刷书籍和电子资料的满意度的说明并进行比较.
2、大作文(社会类): 食物生产使用高效的肥料和机械作业，有些人认为这对农业生产是有好处的，也有些人认为对人体健康不利，并且对当地社区也不利，阐述你同意或不同意的理由。
