Which one of the followings is incorrect about magnetic compass？______.
A. The magentic compass is compulsory on my vessel
B. The magentic compass is prone to error
C. The magentic compass is always placed inside steel constructions
D. The magentic compass needs to be calibrated to compensate for local magnetic distortion
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Which one of the followings is not a right way to behave during mooring unmooring operation？—_______.
A. Stay close to the towline at all time
Beware the bights
C. When operating the winch/windlass,ensure that yourself understand the controls
D. When the tug is being secured or let go, monitor the operation closely
安徽省是我国重要的产茶省，请问“祁红”和“瓜片”两种茶叶分别产于哪个市？
A. 六安、合肥
B. 合肥、黄山
C. 黄山、六安
D. 黄山、合肥
工业企业销售原材料、包装物等活动属于企业的日常活动，取得收入时应该计入“主营业 务收入”。()
企业出售专利权取得的收益和处置营业用房取得的净收益都应该计入其他业务收入。 ()
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