【单选题】某项目有四种方案,各方案的投资、现金流量及有关评价指标见表6-3。若已知基准收益率为18%,则经比较最优的方案为( )。 表6-3各方案的投资、现金流量及有关评价指标 方 案 投资额/万元 IRR(%) △IRR(%) A 250 20 — B 350 24 △IRR B-A =20.0 C 400 18 △IRR C-B =5.3 D 500 26 △IRR D-B =31.0
【单选题】蛋白质是原生质的重要组成成份,( )是构成蛋白质分子的基本结构单位。
【单选题】某项目有四种方案,各方案的投资、现金流量及有关评价指标见下表。若已知基准收益率ic=16%,则经比选最优方案为( )。
【单选题】某项目有四种方案,各方案的投资、现金流量及有关评价指标见下表所示。若已知基准收益率ic= 18%,则经比较最优方案为( )。
【单选题】某项目有四种方案,各方案的投资、现金流量及有关评价指标见表6—3。若已知基准收益率为18%,则经比较最优的方案为( )。
【简答题】-The word chromophilic means color (chrom/o).
【单选题】The difference in the sex-determining chromosomes is that______.
A.
a woman inherits X chromosomes from her mother while a man from his father
B.
a woman inherits Y chromosomes from her mother while a man from his father
C.
a woman has an X and a Y chromosome while a man has two of them
D.
a woman has two X chromosomes while a man has an X and a Y chromosome