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【单选题】
What is the best measure of productivity?
A.
an increase in total real GDP
B.
an increase in total nominal GDP
C.
an increase in output per hour of work
D.
a increase in nominal GDP per worker
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A.
3
B.
2
C.
1
D.
4
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A.
物流
B.
信息流
C.
资金流
D.
知识流
【单选题】56是数列{n(n+1)}中的第多少项
A.
6
B.
7
C.
8
D.
9
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A.
正确
B.
错误
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【单选题】I t is believed that President Obama will appoint he thinks can do the job best.
A.
who
B.
whom
C.
whomever
D.
whoever
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A.
正确
B.
错误
【简答题】根据短文内容,判断以下句子的正误。你认为正确的句子请在答题卡的相应位置上涂( T ).错误的涂( F ). The US President You may know that President(总统) Obama is very busy, but he has time to go to the school to visit students. He tells them about hi...
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