对隐蔽工程而言，其工程必须在被覆盖之前进行检验和计量。 ()
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某建设项目，当折现率i1=10%时，财务净现值FNPV1=200万元；当i2=15%时，FNPV2= -100万元，用内插公式法可求得其财务内部收益率为()。
A. 0.15
B. 0.2
C. 0.133
D. 0.1167
公开招标的投标书和报价的评审，是在公开的情况下进行的。 ()
A. 正确
B. 错误
Which of the following statements about the ways of communicating ideas and feelings mentioned in the passage is FALSE？
A. They can be used to communicate over long distances.
B. They involve use of conventional signs and symbols.
C. They require both a sender and a receiver.
D. They utilize the senses for reception.
Which of the following statements is true？
A. The divorce rate in Britain would reach 50 percent.
B. Some 34 percent of women have cohabited.
C. Over 50 percent of women cohabit before marriage.
D. 13 percent of births were outside formal marriage in Britain.
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