当建设方案所提供的效益超过等值费用，即效益/费用大于( )，则这个方案在经济上是可以接受的，否则在经济上是不可取的。
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Which of the following is true according to the passage
A. Citigroup's merger with MetLife is the first one of America's insurance industry.
B. The return of mergers rises at a rate proportionate to the size.
C. MetLife's purchase of Citigroup's life and annuities division will increase its return on equity.
D. The return on equity of MetLife is actually higher than that of Citigroup.
Why was Masabumi denounced as a disgrace to Japan
A. Because he killed some people on the Titanic.
Because he was then an official.
C. Because he was dismissed from his ministry post.
D. Because the culture of shame was too strong.
It was really an unfortunate thing that he underwent four______ operations in less than two years.
A. exclusive
B. successive
C. inclusive
D. positive
The reason why Mr. Pinault hasn't offered a settlement much beyond $185m is that______.
A. the CDR hasn't been ready to pay more for his indemnity
B. he cannot take out enough money and must borrow from the CDR
C. the CDR isn't willing to lend Mr. Pinault money to support his offer
D. he must prove that his indemnity from the CDR is valid
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