托福考试

根据网考网考试中心的统计分析，以下试题在2018/9/27日托福考试习题练习中，答错率较高，为：53%
【单选题】 According to paragraph 2, evidence from fossils suggests that
A．( extinction of species has occurred from time to time throughout Earth's history
B．( Extinctions on Earth have generally been massive
C．( there has been only one mass extinction in Earth's history
D．( dinosaurs became extinct much earlier than scientists originally believed

网考网参考答案：A，答错率：53%
网考网试题解析：
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