Before entering an ice area，the ship should be（）.<br>A:either trimmed by the head or the stern<br>B:on an even keel<br>C:trimmed down by the head<br>D:trimmed down by the stern

Before entering an ice area，the ship should be（）.
A:either trimmed by the head or the stern
B:on an even keel
C:trimmed down by the head
D:trimmed down by the stern

出自：海船船员证

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