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【单选题】
有丝分裂过程中,观察染色体形态和数目的最佳时期是A.
前期
B.
中期
C.
后期
D.
间期
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皮皮学刷刷变学霸
举一反三
【单选题】Which of following is not the reason that Shirley fails to keep her diabetes under control?
A.
she was not careful about the diet.
B.
she was unwilling to do more activities.
C.
she failed to lose body weight .
D.
she didn’t follow doctor’s advice when taking medications.
【简答题】模拟电子技术-比较器-复习题.pdf