Refer to STCW 95: Despite the duties and obligations of pilots，their presence on board does not relieve______in charge of the navigational watch from their duties and obligations for the safety of the ship．
A. the master
B. the master or officer
C. quarter master
D. Helmsman
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某项目总投资为3000万元，建设周期为2年，建设完成后用于出租，从投资开始到投资全部收回的年限为12年，该项目的预期投资收益率为()。
A. 7.01%
B. 8.3%
C. 10.0%
D. 12.5%
The advantage(s) of using wire rope lashing on vehicles aboard Ro-Ro vessels is that it__.
A. is lighter than chain
B. has a good working life
C. is not affected by temperature
D. All of the above
The bank in the vicinity on Cambodia Pt. and Pt. Obi ______ considerably seaward.
A. were extended
B. extending
C. has extended
D. have extended
自感电动势的大小正比于原电流的()。D
A. 大小
B. 方向
C. 变化量
D. 变化率
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