车辆日常保养包括（）
A.打黄油
B.吹散热器及空滤器
C.车内外卫生、清除车身杂草、污物
D.故障维修
参考答案：A, B, C
After a whole day’s heavy work ,the old worker returned home ,______________________.
A．hungry and tiring
B．hunger and tired
C．hungry and tired
D．hunger and tiring
光休眠
