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【单选题】
下图1表示某雄性高等动物一个正在分裂的细胞,结合图2分析错误的是A.
图①所示细胞分裂时期处于图②中的BC段
B.
图①细胞产生AB精子的概率是0
C.
图①细胞中含有0个四分体
D.
图②中D点后的细胞中不可能含有两条Y染色体
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举一反三
【单选题】听力原文：Of the students participating in our university's research project, 73% classified themselves as freshmen and sophomores. (23)
A.
Many university students prefer soft drinks to fresh fruits.
B.
Most of them are first-or-second year college students.
C.
A number of college students refuse to disclose their identities.
D.
Not many students are interested in our research projects.
【单选题】Since our research so far has not produced any answers to this problem, we need adopt a different ______ to it.
A.
approach
B.
way
C.
means
D.
method
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