机舱排水应急吸口阀平时保养的主要内容是（）
A.清洁与放水试验
B.所接泵运行中加油活络
C.所接泵停止加油活络
D.反向放水冲洗
参考答案：C
非正规就业
If you finish your homework carefully every day, you __________ pass the exams.
A. can't
B. will be able to
C. was able to
D will to
