单选题We（）a sharp lookout while sailing in the iced waters.AkeepBkeptCare keepingDhave kept
单选题
We（）a sharp lookout while sailing in the iced waters.
A
keep
B
kept
C
are keeping
D
have kept
参考解析
解析：
暂无解析
相关考题：
What we can do on decreasing infection caused by sharp injuries? () A. Make assessment to sharp injury controlB. Enhance educational interventionC. Improve awareness of College studentsD. Supply consultation
The officer asked him ________ a sharp lookout for the fishing boatsA.to keepB.keepingC.keepsD.keep
While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine isA.the exhaust temperatureB.the speed of main engineC.the turbine rotation speedD.the power of main engine
While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be ______.A.the helmsmanB.the mate on watchC.Either A or BD.Neither A nor B
While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be ______.A.the helmsmanB.the officer on watchC.either A or BD.neither A nor B
We want to preserve the character of the town while improving the facilities.A:keep B:protectC:persevere D:reserve
Well, we′ ve come to a point ,__________we have to decide which job is the best choice for.A.which B.whereC.whose D.while
Because of the （）, we have to keep a sharp lookout.A、poor visibilityB、good visibilityC、good weatherD、dry weather
（） your decision to place regular orders with us, we request that you furnish us with two references for the initial purchase.A、While appreciatingB、As appreciatingC、When appreciateD、Because we appreciate
检查救生衣和个人物品。（）A、Check your life-jackets and belongings.B、The cable is leading straight ahead.C、I have given it a thorough clean.D、Steer the wheel carefully and pay attention to keeping a sharp lookout.
单选题Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.ANova ScotiaBMaine and MassachusettsCGeorgia and NE FloridaDCalifornia and Mexico
单选题On the forecastle deck,the chief officer and the bosun（）sharp lookout.Ato keepBare keepCis keepingDare keeping
单选题While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.Athe helmsmanBthe mate on watchCEither A or BDNeither A nor B
单选题Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engine.For the former one, it aims to prevent the main engine being（）, while for the later one, it aims to prevent the main engine being（）.Aoverspeed；overloadBoverload；overspeedCover torque；overspeedDlow mechanical efficiency；overload
单选题What happened to Pam?AShe got kicked when riding a horse.BShe fell off her bicycle on her way to the boat club.CShe fell into the water while sailing a boat.
单选题检查救生衣和个人物品。（）ACheck your life-jackets and belongings.BThe cable is leading straight ahead.CI have given it a thorough clean.DSteer the wheel carefully and pay attention to keeping a sharp lookout.
单选题While sailing under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is （）Apower of main engineBturbine rotation speedCspeed of main engineDexhaust temperature
单选题The sailor on gangway watch should （）.Akeep sharp lookout at the forecastleBreceive visitorsCexpect the agentDsteering wheel
单选题While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be（）.Athe helmsmanBthe officer on watchCeither A or BDneither A nor B