观测员认为观测数据不对时，是否可能任意修改数据？（）
A.可以
B.不可以
C.经上级同意可以
参考答案：B
We had wanted to finish our task by noon, but it didn't quite _____. [ ]
A. find out
B. give out
C. hand out
D. work out
自并励静止励磁系统引起的轴电压不应破坏发电机轴承油膜，否则应采取措施。
