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【单选题】
金属加热过程中,电子很难得到能量是由于( )。A.
原子核的束缚太强
B.
其他电子的库仑排斥力太强
C.
原子较高能级通常占满电子
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举一反三
【单选题】What is Blackburn's attutide towards the company he now works for7
A.
He has some regrets about its public image.
B.
He approves of the way it treats its employees.
C.
He dislikes the demands it makes on him.
D.
He admires the way it explains its decisions.
【简答题】Joe had many regrets when he __________ the years he spent abroad. A． looked back on B. looked down upon C. looked up to D. looked out of
【单选题】—How long _____ he ______ in the USA? —Three years. But he never regrets coming back to China.
A.
did;live
B.
has;lived
C.
does;live
D.
will;live
【简答题】His mother being very worried, he regrets (tell) ______ her that he has lost his job.
【单选题】He now regrets______harder when he was at school.
A.
not to study
B.
not studying
C.
having not studied
D.
not to be studying
【简答题】A．He doesn't care for children's programs. B．He regrets missing the program. C．He has already seen it. D．He enjoys the program.
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