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中国进出口货运总量的____以上都是利用海上运输来完成的。_ of the total volume of China's import and export cargo is accomplished by sea transportation.

A. 90%
B. 75%
C. 50%

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希腊航海家__于公元前4世纪驾驶舟船从今法国马赛出发，由海上到达易北河口，成为西方最早的海上远航。_，a famous Greek navigator, sailed a boat in the 4th century B.C. from Marseilles, France, to the estuary of Elbe by sea, becoming the earliest maritime voyage in the West.

A. 迪亚士Dias
B. 弗朗西斯·德雷克Francis Drake
C. 皮忒阿斯Peteas

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____ 开辟了欧洲经好望角至印度的航线。_opened up the route from Cape of Good Hope to India in Europe.

A. 麦哲伦 Magellan
B. 哥伦布 Columbus
C. 达·伽马 Vasco da Gama

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当遭遇能见度不良时，值班驾驶员应_ 。In case of poor visibility, the duty officer on watch shall___.

A. 鸣放雾号、以安全航速行驶 Sound the fog and proceed at a safe speed
B. 使主机处于立即可操纵的准备状态 Make the engine standby
C. 布置瞭望人员和舵工手动操舵 Manual steering
D. 显示航行灯 Display navigation lights
E. 通知船长 Notify Captain

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在确定包括合格的甲板部普通船员在内的驾驶台值班人员构成时，应考虑的因素包括：—————— 。In determining the composition of bridge team on watch including qualified ratings, factors to be considered include: ______

A. 天气情况 Weather conditions
B. 助航仪器 Navigation AIDS
C. 临近航行危险 Navigation Danger Nearby
D. 白天还是夜间 Day or night

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中国进出口货运总量的________以上都是利用海上运输来完成的。_____ of the total volume of China's import and export cargo is accomplished by sea transportation.

A. 90% B. 75% C. 50%

________ 开辟了欧洲经好望角至印度的航线。_____opened up the route from Cape of Good Hope to India in Europe.

当遭遇能见度不良时，值班驾驶员应_____ 。In case of poor visibility, the duty officer on watch shall_______.

在确定包括合格的甲板部普通船员在内的驾驶台值班人员构成时，应考虑的因素包括：—————— 。In determining the composition of bridge team on watch including qualified ratings, factors to be considered include: ______

中国进出口货运总量的____以上都是利用海上运输来完成的。_ of the total volume of China's import and export cargo is accomplished by sea transportation.

A. 90%
B. 75%
C. 50%

____ 开辟了欧洲经好望角至印度的航线。_opened up the route from Cape of Good Hope to India in Europe.

当遭遇能见度不良时，值班驾驶员应_ 。In case of poor visibility, the duty officer on watch shall___.