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Which of the following is true of the environments in which fossils are found? Which of the following is LEAST likely to be fou
Which of the following is true of the environments in which fossils are found? Which of the following is LEAST likely to be fou
admin
2009-04-27
53
问题
Which of the following is true of the environments in which fossils are found?
Which of the following is LEAST likely to be found as a fossil, assuming that all are buried rapidly?
选项
A、A worm.
B、A shark.
C、An elephant.
D、A human ancestor.
答案
A
解析
事实细节题。文章第二段前三句指出"化石的出现需要一个有利于有机体生长及死后保存的环境。这一环境中几乎总出现两种情况:第一,不管是机体的内部还是外部结构,要有硬体组织,例如骨骼、牙齿、头盖骨、外壳及木头,;在机体其他部分腐烂后,这些部分保留了下来。那些缺少硬体组织的有机体,诸如蠕虫和水母在地质学上极少有记载"。由此可知,worm(蠕虫)由于缺少硬体组织,最不可能以化石的形式保存下来。
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0
考研英语一
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