某同学在三个地点考察同一种植物的根系分布情况，绘制根系分布图如下。(1)该植物的根系属于那种类型？(2)这三种分布情况可能受哪种因素的影响？(3)试推测三个地方该植物根系不-七年级生物

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• (2013·高考湖南卷)Not once________to Michael that he could one day become a top student in his class.A．occ
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• 将四株大小差不多的同一种植物的幼苗，分别培养在下列液体中，能正常生长的是[]A．糖水B．盐水C．土壤浸出液D．自来水-七年级生物
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• －Look，here________．－Oh，it's my secretary.But I________him to pick me up at seven o'clock.A
• 如图是某同学做的比较实验，用甲、乙两个试管（甲试管盛有肥沃土壤的浸出液，乙试管盛有蒸馏水）各培养一棵大小相同的健壮幼苗，过一段时间后，生长情况如图所示，分析回答下列-七年级生物
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• Not only _____ great thoughts but also they express their thoughts in words which powerfully influen
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