油断路器在正常运行中，要经常检查油标内的（）和（），听声音是否正常，外壳是否有渗漏油现象。
参考答案：油面；油色
在-3，-5，-(-4)，|0|中，负数有[ ]
A. 1个
B. 2个
C. 3个
D. 4个
The sun is _____________ the moon. [ ]
A. much bigger than
B. a lot more bigger than
C. much more bigger as
D. a lot more big as
