船舶在入海河口航行,要做到充分利用潮汐提高航速,必须注意().
A、合理掌握开航时间
B、合理掌握航速
C、合理掌握转流时刻的流速分布规律
D、ABC都对
参考答案:D
It_____we had stayed together for several weeks_____ I found we had a lot in common. [ ]
A. was until; when
B. wasn't until ; that
C. wasn't until; when
D. was until; that
犯罪嫌疑人因其如实供述自己罪行,避免特别严重后果发生的,可以()
A.减轻处罚
B.从轻处罚
C.不予处罚
D.免除处罚