As a duty sailor, you （）maintain a safety patrol.A、mustB、shouldC、canD、need
As a duty sailor, you （）maintain a safety patrol.
- A、must
- B、should
- C、can
- D、need
相关考题：
By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should ______.A.turn to portB.turn to starboardC.maintain course and speed and sound the danger signalD.maintain course and speed and sound no signal
作为一名值班水手，你必须懂得如何调整吊杆。（）A、As an officer on duty, you must know how to adjust derricks.B、As a sailor on duty, you must know how to adjust derricks.C、As a sailor on duty, you must know how to operate cranes.D、As an officer on duty, you must know how to operate cranes.
每天早上值班水手必须在驾驶台做清洁工作。（）A、Every morning the duty sailor must do the cleaning work on the bridge.B、Every evening the duty sailor must do the cleaning work on the bridge.C、Every morning the duty sailor must do the painting work on the bridge.
The duty sailor on the gangway usually looks （）the ship before relieving.A、aroundB、up atC、atD、in
As a sailor on duty you must know how to adjust derrick.（）A、作为一名值班水手你必须懂得如何调整起货机。B、作为一名值班水手你必须懂得如何调整吊杆。C、作为一名值班驾驶员你必须懂得如何调整吊杆。D、作为一名值班驾驶员你必须懂得如何调整起重机。
As a duty sailor, he should （）.A、keep a gangway watchB、often look around the shipC、hoist and lower national flag on timeD、A+B+C
At sea, much of the sailor’s time is spent （）the ship and keeping her equipment in good condition.A、to maintainB、maintainingC、maintenanceD、maintain
单选题The duty sailor on the gangway usually looks （）the ship before relieving.AaroundBup atCatDin
单选题As a sailor on duty you must know how to adjust derrick.（）A作为一名值班水手你必须懂得如何调整起货机。B作为一名值班水手你必须懂得如何调整吊杆。C作为一名值班驾驶员你必须懂得如何调整吊杆。D作为一名值班驾驶员你必须懂得如何调整起重机。
单选题每天早上值班水手必须在驾驶台做清洁工作。（）AEvery morning the duty sailor must do the cleaning work on the bridge.BEvery evening the duty sailor must do the cleaning work on the bridge.CEvery morning the duty sailor must do the painting work on the bridge.
单选题Mr.Jones was tired，he will（）over his duty of look out to another sailor.AtakeBthinkChandDget
单选题作为一名值班水手，你必须懂得如何调整吊杆。（）AAs an officer on duty, you must know how to adjust derricks.BAs a sailor on duty, you must know how to adjust derricks.CAs a sailor on duty, you must know how to operate cranes.DAs an officer on duty, you must know how to operate cranes.
单选题When a ship is in port, who will keep gangway watch?（）AAn officer.BA sailor on duty.CWharf man.DAn engineer.
单选题As a duty sailor, he should （）.Akeep a gangway watchBoften look around the shipChoist and lower national flag on timeDA+B+C
单选题Are you the duty sailor?（）A你是值班水手吗？B你是值班驾驶员吗？C你是值班机工吗？D你是值班大副吗？