問題詳情
48. Which of the following resulted from the discovery of microscopic fossils?
(A) The time estimate for the first appearance of terrestrial life-forms was revised.
(B) Old techniques for analyzing fossils were found to have new uses.
(C) The origins of primitive sea life were explained.
(D) Assumptions about the locations of ancient seas were changed.
(A) The time estimate for the first appearance of terrestrial life-forms was revised.
(B) Old techniques for analyzing fossils were found to have new uses.
(C) The origins of primitive sea life were explained.
(D) Assumptions about the locations of ancient seas were changed.
參考答案
答案：A
難度：適中0.6
統計：A(6),B(1),C(1),D(1),E(0)
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