汽车行驶的条件
参考答案:
(1)驱动条件:驱动力大于等于各种阻力
(2)附着条件:驱动力小于等于附着力
The film is _______ for us to see. [ ]
A. interesting enough
B. enough interesting
C. interesting much
D. much interesting
PDCA循环中D(DO)是指执行,根据已知的信息,设计具体的方法、方案和计划布局;再根据设计和布局,进行具体运作,实现计划中的内容。