问题
单项选择题
反映了净现值与投资现值的比率关系指标是（）。
A.净现值率
B.净年值
C.投资回收期
D.总投资收益率
答案
参考答案：D
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反映了净现值与投资现值的比率关系指标是（）。
A.净现值率
B.净年值
C.投资回收期
D.总投资收益率
参考答案：D
| Artificial flowers are used for scientific as Well as for decorative purposes. They are made from (51) of materials, such as wax and glass, so skillfully that they can scarcely be (52) from natural flowers. In making such models, painstaking skill and artistry are called for, (53) thorough knowledge of plant structure. The (54) of glass flowers in the Botanical Museum of Harvard University is the most famous in North America and is widely known (55) the scientific world. (56) , there are several thousand models in colored glass, the work of two artist naturalists, Leopold Blalschka and his son Rudolph. The intention was to have the collection (57) at least one member of each flower family native to the United States. (58) it was never completed, it contains more than seven hundred species representing 164 families of flowering plants. (59) detail of these is accurately reproduced in color and structure. The models are (60) n locked cases as they are too valuable and fragile for classroom use. |
A．Because
B．However
C．Nevertheless
D．Although