【单选题】The main role of investment companies in the money market is to
A.
trade on behalf of commercial accounts.
B.
mediate the symmetric information problem between server-lender and borrower-spenders.
C.
both A and B of the above.
D.
neither A nor B of the above.
【简答题】下列关于动机、需要和诱因三者之间的关系的说法中,正确的是:
【判断题】DC-DC转换器的作用是将直流电转换为交流电。
【判断题】Banks are unusual participants in the money market because they buy, but do not sell, money market instruments.
【判断题】CA机构的数字签名使攻击者不得伪造和篡改证书。
【判断题】CA机构的数字签名使得攻击者不能伪造和篡改证书。
【单选题】下列是洋务派在洋务运动中创办的工业企业。不属于李鸿章创办的是( )
【单选题】Besides differences in maturities, the characteristic that distinguishes financial assets in the capital market from those in the money market is the level of
【多选题】关于意志,下列说法正确的是( )。
A.
根据某种动机和需要,自觉地确定目标并付诸行动