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2014托福考试3月1日写作真题
综合作文: 回忆1: 植物叶子在夜里为啥FOLDED?R:1.怕冷。2.insects protection.3.eliminate nightlight to keep in track of the time.Lecture:1,植物internal temperature is low,温度低于零度,FOLD OR NOT 都一样suffer.2.fold 也无济于事,因为有水,fungi一样infect plants.3.举了个森林植物的反例 回忆2:
回忆3: 3 theories in explaining why some plants fold their leaves at night 1、protection against cold(decrease the surfaces exposed)2、protection against infection(night rainstorm-wet-easy to be infected because the spread of fungal requires water)3、elimination of nighttime light(植物根据白天感应的光判断什么时候开花,为了保证正确地keep track of time,需要抵制夜晚光线如moonlight) 独立写作题目:It is often not a good idea to move to a new city or a new country because you will lose old friends.