托福考试

根据网考网考试中心的统计分析，以下试题在2019/9/25日托福考试习题练习中，答错率较高，为：48%
【单选题】 What does the author say in paragraph 1 regarding most species in Earth's history
A．( They have remained basically unchanged from their original forms
B．( They have been able to adapt to ecological changes
C．( They have caused rapid change in the environment
D．( They are no longer in existence

网考网参考答案：D，答错率：48%
网考网试题解析：
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