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【单选题】
下列叙述错误的是A.
四氢叶酸(FH4)是一碳单位转移酶的辅酵
B.
一碳单位参与核酸合成
C.
叶酸缺乏引起巨幼红细胞性贫血
D.
维生素B12含有金属元素
E.
维生素B12和一碳单位代谢无关
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【简答题】保证公司债券是公司发行的由第三者作为还本付息担保人的债券，是担保证券的一种。 ( )
【简答题】保证公司债券是公司发行的由第三者作为还本付息担保人的债券，是担保证券的一种。（ ）
【简答题】（ ）是公司发行的由第三者作为还本付息担保人的债务，是担保债券的一种。
【单选题】Globalization, a process whereby owners of capital are enabled to move their capital around the globe more quickly and easily, has resulted in the removal of state controls on trade and investment, th...
A.
The removal of state controls on trade and investment.
B.
The disappearance of tariff barriers.
C.
The spread of new information and communications technologies.
D.
Owners of capital are enabled to move their capital around the globe more quickly.
【简答题】公司发行的由第三者作为还本付息担保人的债券是（ ）。
【单选题】Globalization, a process whereby owners of capital are enabled to move their capital around the globe more quickly and easily, has resulted in the removal of state controls on trade and investment, th...
A.
The removal of state controls on trade and investment.
B.
The disappearance of tariff barriers.
C.
The spread of new information and communications technologies.
D.
Owners of capital are enabled to move their capital around the globe more quickly.
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