车辆在较窄的山路上行驶时,如果靠山体的一方不让行,应怎样做?
A.向左占道,谨慎驶过
B.提前减速或停车避让
C.保持正常车速行驶
D.鸣喇叭催其让行
参考答案:B
By age 7 months, an infant most likely will develop which of the following motor skill
A. Walk with one hand held.B. Eat successfully with a spoon.C. Stand while holding onto furniture.D. Sit alone using the hands for support.
泰罗的研究成就包括()。
A.动作研究
B.工时研究
C.计件工资
D.科学心理学