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【单选题】
金属具有延展性的主要原因是( )A.
金属原子半径都较大，价电子较少
B.
金属受外力作用后，金属离子与自由电子仍保持其较强的作用
C.
金属中的大量自由电子，受外力作用后，运动速度加快
D.
自由电子能迅速传递能量
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A.
I don't think it was a good idea
B.
I didn't think it was a good idea
C.
I thought it wasn't a good idea
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A.
it
B.
there
C.
this
D.
that
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A.
I think
B.
I thinks
C.
He thinks
D.
He think
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A.
I think so
B.
I’d be glad to
C.
I hope not.
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A.
cheerful
B.
pleasant
C.
happy
D.
pleasure
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A.
one
B.
alone
C.
lonely
D.
myself
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