【导读】
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1. [单选题]Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars are continuously alive the life of the ship.
A. along
B. with
C. throughout
D. for
2. [单选题]根据规则18条，从事捕鱼的船舶应给下列哪些船舶让路？________①帆船；②失控船；③操限船；④限于吃水的船舶；⑤从事一般拖带的船舶。
A. ①－⑤
B. ②－⑤
C. ②③
D. ①－③
3. [单选题]对于自反应货物，要注意仔细保留()在船。
A. 安全操作证书
B. 货物操作证书
C. 抑制剂证书
