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【简答题】
把容量是64的样本分成8组，从第1组到第4组的频数分别是5，7，11，13，第5组到第7组的频率是0.125，那么第8组的频数（ ）。
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举一反三
【单选题】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】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.
【简答题】_____________. That was five years ago and he has no regrets about his new direction. “My previous work didn’t have an artistic element to it, whereas this is exciting and creative,” he says. “I reall...
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