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【判断题】
NPV函数中的现金流在时间上必须具有相等间隔,在金额上必须相等,并且都发生在期末。A.
正确
B.
错误
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【单选题】—President Obama has never been to Beijing, ______ he? — He visited the Great Wall on the afternoon of November 18th,2011.
A.
hasn’t, No
B.
has, Yes
C.
hasn’t, Yes
D.
has, No
【单选题】he visited the new school, he showed great interest in everything he saw.
A.
It’s the first time
B.
For the first time
C.
The first time
D.
At first
【单选题】— What did he think of the trip to Beijing last month？ — He had such a good time ________ he visited the Great Wall.
A.
until
B.
that
C.
where
D.
when
【单选题】What did the man do firstly when he arrived in Paris?
A.
He visited a famous fountain.
B.
He visited some art galleries.
C.
He visited the Eiffel Tower.
D.
He visited a flea market.
【简答题】A．He worked there as a guide. B．He read about it. C．He had just visited it. D．He interviewed the sculptor.
【简答题】教育学真正成为一门科学,标志性的事件是《 》的出版。
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