学术英语(理工类)_Unit1-2-3-4-5全539页.ppt

Enhancing your academic language Complete the paragraph. True, GM foods are (已成为我们生活的一部分), and farmers (迫切地想要) use the biotechnology as (能提高稻谷产量), yet we need a deep philosophical discussion of its implication. We still remember that when pesticides were first introduced, they also were praised as absolutely safe and as a miracle cure for farmers. (尽管这么多保证), decades later the technology revealed its truer lethal implications. Hence, any technology (应该进行严格的测试) before its wide application. already very much a part of our lives have a strong incentive to it can raise overall crop productivity But for all that promise subjected to rigorous testing should be Unit 5Writing an AcademicEssay 1 Definition Enhancing your academic language 1 特别是在有悠久的农业生产传统和主张环保的游说集团的国家里，转基因食品的主意似乎有悖自然。 2 在富裕的国家里，由于有大量丰富的食品可供选择，而且供应远远超过需求，所以关于生物技术的争论相对缓和一些。 3 生物技术专家已经培育出了含有β-胡萝卜素——身体可将之转化为维生素A——和更多铁元素的转基因水稻，目前正在研究培育其他一些增进营养成分的农作物。 Translate the following sentences from Text 15 into Chinese. Unit 5Writing an AcademicEssay 1 Definition Enhancing your academic language Translate the following sentences from Text 15 into Chinese. 4 转基因的抗病毒作物可以减少这种损失，就像抗干旱种子在耕地面积因缺水而受到限制的地区起到的作用一样。 5 尤其在运输基础设施落后的国家，地理条件对食物供给的限制正如遗传学为食物供给带来的希望一样大。 Unit 5Writing an AcademicEssay 1 Definition Additional questions for your understanding of Text 16 What are the three study groups in the investigation of the influence of GM soya on the birthrate and survival of the offspring of Wistar rats? ① A group of female rats fed by GM soya flour before mating and pregnancy; ② A control group of females fed by traditional soya; ③ A positive control group received feed without any soya. Unit 5Writing an AcademicEssay 1 Definition Additional questions for your underst