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【单选题】
有两个半径相同,质量相等的细圆环 A 和 B 。 A 环的质量分布均匀, B 环的质量分布不均匀。它们对通过环心并与环面垂直的轴的转动惯量A.
A环大
B.
B环大
C.
相等
D.
哪个大、哪个小无法确定
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【单选题】___________ ? I like pandas best. [ ]
A.
What are you
B.
What animals do you like best
C.
How do you like the animals
D.
Is the panda cute
【单选题】— Doctor, it seems to me ______ you like to work with animals. — Yes. I think animals should ______ as our friends. [ ]
A.
that; regard
B.
that; be regarded
C.
what; regard
D.
it; be regarded
【单选题】I don't like feeding the animals, but I need money, so ________.
A.
it is there
B.
there is it
C.
there it is
D.
that it is
【简答题】E.coli错配修复过程中，______识别错配的核苷酸，______在错配位点附近切断错配核苷酸所在的一条DNA链。
【单选题】I have ever lived in New York and London, ______________I don't like either city.
A.
so
B.
though
C.
because
D.
but
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