柴油机车熄火操作正确的是()。
A.停车后直接熄火
B.由接班司机熄火
C.怠速运行几分钟后熄火
D.放掉废水后熄火
参考答案:C
--Why has he been staying at home these days?
--He ___________ since a month ago.
A.has been out of work
B.was out of work
C.has lost his work
D.had left from his work
为推动建设“丝绸之路经济带”,习 * * * * 提出了“以点带面,从线到面,逐步形成区域大合作”的工作思路,这一思路坚持了
A.主观和客观的统一
B.矛盾普遍性和特殊性的统一
C.整体和部分的统一
D.两点论和重点论的统一