年折旧额相等的是直线法,年折旧额不相等的是加速折旧法。()
参考答案:错
We had thought Carla would say a lot about her job interview, but she ____ it.
A.doesn’t mention
B.didn’t mention
C.hasn’t mentioned
D.hadn’t mentioned
()是引起内燃机车火灾的原因之一。
A、曲轴箱超压
B、电器断路
C、机油系统漏泄
D、燃油系统漏泄