【单选题】在标准大气中,海平面上的气温和气压值是:
【单选题】Corporate bonds are not as liquid as government bonds because ________
A.
fewer bonds for any one corporation are traded, making them more costly to sell.
B.
the corporate bond rating must be calculated each time they are traded.
C.
corporate bonds are not callable.
E.
only A and B of the above.
【单选题】It took me a whole hour to solve the problem.
【单选题】"Dragon" bonds are ( )
A.
dollar-denominated foreign bonds originally sold to U.S. investors.
B.
dollar-denominated bonds originally sold in Asia with non-Japanese issuers.
C.
pound sterling-denominated foreign bonds originally sold in the U.K.
【简答题】发现和简述古代器物中的人机思想萌芽案例,并简单分析原因