项目全部收益现值减去全部支出现值之差是（）。
A.财务净现值率
B.财务内部收益率
C.投资回收期
D.财务净现值
参考答案：D
______ people fled from their homes because of the hoax. [ ]
A. Thousand of
B. Two thousands of
C. Thousands of
D. Two thousand of
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