气管、支气管疾病的常见症状不包括()
A．咳嗽
B．吞咽困难
C．喘鸣
D．呼吸困难
E．呕吐
参考答案：B, E
下面各选项中正确的是( )。 Ⅰ：long l=4990 Ⅱ：int i=4L Ⅲ：float f=1.1 Ⅳ：double d=34.4
A．Ⅱ、Ⅲ
B．Ⅱ、Ⅲ、Ⅳ
C．Ⅰ、Ⅳ
D．Ⅲ、Ⅳ
An analyst does research about methods of distributing new government securities. Which of the following is the regular way for U. S. government to issue U. S. Treasury securities（）
A. Tap method.
B. Regular auction cycle/single price method.
C. Regular auction cycle/multiple price method.
