外国债券的特点有（）。
A.在外国发行
B.以本币计值
C.以发行地货币计值
D.由发行地金融机构承销
参考答案：A, C, D
Which of the following statements is the most appropriate title for the passage
Why did the United States first launch satellites into space
A．To improve navigation for warplanes and warships.B．To guide smart bombs that home in on moving targets.C．To collect meteorological data.D．To sense remote volcanic eruptions.
VBA的逻辑值进行算术运算时，True值被当作 ______。
A．0
B．1
C．-1
D．不确定
