问题
选择题
He __________ a cat. __________ name is Mimi.[ ]
A. has, His
B. have, Its
C. has, Its
答案
答案：C
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He __________ a cat. __________ name is Mimi.[ ]
A. has, His
B. have, Its
C. has, Its
答案：C
Li核俘获一个速度为v0=7.7×104m/s的中子而发生核反应，
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He,