长期雇佣关系的优势表现在能够给雇员和雇主带来( )。
A.间接收益
B.直接收益
C.长期收益
D.短期收益
参考答案:B
We didn't go home _____ we finished the work. [ ]
A. since
B. until
C. because
D. though
为了避免同时挂上两个挡位,在变速器操纵机构中设置了()装置。
A.差速锁
B.倒挡锁
C.自锁
D.互锁