（）的调整是在专用的喷油泵试验台上按一定转速下规定的数值进行检查调整的。
A.供油量
B.调速器
C.出油阀
D.柱塞弹簧
参考答案：A
Which of the following is NOT an assumption behind efficient capital markets（）
A. New information occurs randomly, and the timing of announcements is independent of one another.
B. Market participants correctly adjust prices to reflect new information.
C. Return expectations implicitly include risk.
如果在签订集体合同的时候发生争议，则一般是( )。
A．利益争议
B．权利争议
C．义务争议
D．以上选项皆可
