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【单选题】
What can be learned or inferred from this passage is that __________.A.
the disappearances in Bermuda have something to do with people from space
B.
people have not determined the causes of these disappearances
C.
the disappearances can only be explained by scientists
D.
the disappearances are caused by some unnatural powers
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【单选题】_____with what they had done, we felt we still had too much to do.
A.
compared
B.
comparing
C.
having compared
D.
being compared
【单选题】市场调查就是指运用科学的方法，有计划、有组织地搜集、记录、整理和分析有关市场信息，为营销决策提供客观、准确的 。
A.
信息支持
B.
价值判断
C.
决策思路
D.
决策依据
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【单选题】Jim: Well, my mother and father live in Arizona. Right now they (2)______there. They are in Spain on a trip.
A.
isn't
B.
aren't
C.
doesn't
【判断题】FV函数认定年金pmt和现值pv现金流量的方向与计算出的终值现金流量的方向是相反的。为了使计算出的终值能显示为正数,应在输入pmt和pv参数时添加上负号。( )
A.
正确
B.
错误
【单选题】This size of the audience,______, was well over twenty thousand. A. whom we had expected B. as we had expected C. what we had expected D. we had expected that
A.
1
B.
2
C.
3
D.
4
【简答题】简述教育科研计划制订的步骤。
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