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As he collected fossils from strata throughout England, Smith began to see t
As he collected fossils from strata throughout England, Smith began to see t
游客
2025-02-05
44
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问题
As he collected fossils from strata throughout England, Smith began to see that the fossils told a different story from the rocks. Particularly in the younger strata, the rocks were often so similar that he had trouble distinguishing the strata, but he never had trouble telling the fossils apart. While rock between two consistent strata might in one place be shale and in another sandstone, the fossils in that shale or sandstone were always the same. Some fossils
endured
through so many millions of years that they appear in many strata, but others occur only in a few strata, and a few species had their births and extinctions within one particular stratum. Fossils are thus identifying markers for particular periods in Earth’s history. [br] The word "
endured
" in the passage is closest in meaning to
选项
A、vanished
B、developed
C、varied
D、survived
答案
D
解析
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