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【多选题】
关于证券市场线的理解,以下说法中正确的有( )
A.
证券市场线是对资本资产定价模型的图示
B.
证券市场线说明必要报酬率与不可分散风险β系数之间的关系
C.
证券市场线反映了投资者规避风险的程度,直线越平滑,投资者越规避风险
D.
当风险规避增加时,风险报酬率也随之增加,证券市场线的斜率也变大
E.
当风险规避增加时,风险报酬率也随之减小,证券市场线的斜率也变小
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【单选题】维持红细胞正常形态的主要因素是( )
A.
组织胶体渗透压
B.
血浆胶体渗透压
C.
血浆晶体渗透压
D.
血浆白蛋白浓度
E.
红细胞内血红蛋白含量
【单选题】When Sue says that she and her husband are "loathe to lose their freedom just yet", she means______.
A.
they hate the idea of having children.
B.
they want to enjoy their freedom for a few more years, but they may consider having some kids.
C.
they are revolted by the idea of giving up their freedom.
【单选题】When the author says that it' s not crazy to think about the impact of this on evolution, he means_____.
A.
the progress in biography is so great that people feel astonished
B.
the progress in cryogenics is so great that people feel astonished
C.
the progress in information technology has great influence on human
D.
the progress in information technology is beneficial to human
【单选题】When Steve McDougal says 'It's not a financial hardship, but it is an incremental amount of money that's not required,' she means that ______.
A.
Green tag costs a lot of money.
B.
Green tag costs an extra amount of money.
C.
Green tag's is cost-effective.
D.
The cost on green tags is far less than the companies pay to purchase renewable power from suppliers.
【单选题】只能读出数据,不能更改数据的存储器是( )。
A.
RAM
B.
ROM
C.
PROM
D.
EPPROM
【判断题】大多数细菌都能分解单糖和双糖和淀粉。
A.
正确
B.
错误
【单选题】When Sue says that she and her husband are “loath to lose their freedom just yet”. She means ______.
A.
they hate the idea of having children
B.
they want to enjoy their freedom for a few more years, but they may consider having some kids later
C.
they are revolted by the idea of giving up their freedom
【单选题】只能读出数据,不能更改数据的存储器是( )。
A.
RAM
B.
ROM
C.
PROM
D.
EPROM
【单选题】企业进行科技研发的核心是什么?
A.
资金
B.
人才
C.
政策
D.
技术
【判断题】企业计提法定盈余公积是以国家法律法规为依据,计提任意盈余公积是由企业权力机构自行决定的。( )
A.
正确
B.
错误
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