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【单选题】
原始细胞形成过程中的关键事件是A.
富含有机物的原始海洋和无机小分子
B.
具有自我复制能力的多聚体的形成和膜的出现
C.
细胞向细胞的演化
D.
地球上液态水的出现
E.
单细胞生物细胞生物的演化
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举一反三
【简答题】链传动中由于有多边性效应存在 ,因此不能保持恒定的( )传动化。
【单选题】What point does the author want to make with this passage?
A.
Women should drive more carefully.
B.
Women shouldn't be drivers.
C.
Men are better drivers than Women.
D.
Men should be more tolerant of women drivers.
【单选题】The doctor told him that he should take this medicine one pill at one time.
A.
told
B.
should take
C.
one
D.
one
【单选题】You should read the article as ____ as I do to know what the writer really wants to tell us.
A.
careful
B.
more careful
C.
carefully
D.
more carefully
【单选题】What point does the author want to make with this passage?
A.
Women should drive more carefully.
B.
Women shouldn't be drivers.
C.
Men are better drivers than women.
D.
Men should be more tolerant of women drivers.
【简答题】What should one take up if one wants to be relaxed by reading? One should take up ______ .
【简答题】A．That one should think about the ideas while reading the words. B．That one should read only the title and important words. C．That one should always take notes. D．That one should read sequences of wor...
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