单选题Engines for lifeboats are required to have sufficient fuel to operate for how many hours?（）A6 hoursB12 hoursC18 hoursD24 hours
单选题
Engines for lifeboats are required to have sufficient fuel to operate for how many hours?（）
A
6 hours
B
12 hours
C
18 hours
D
24 hours
参考解析
解析：
暂无解析
相关考题：
23． How many hours of sleep is good for students' health?A． Less than 9 hours．B． Over 9 hours．C． Only 9 hours．D． 7 hours．
Our plane ______at six and landed in BeijingA. takes off, within four hoursB. took off, four hours laterC. rose up, after four hoursD. raised up, in four hours
The average number of hours of sleep that an adult needs is ______.A. approximately six hoursB. around ten hoursC. about eight hoursD. not stated here
—— How long will it take to arrive inAustralia?——________ .A.Two hours laterB.Before two hoursC.Two hoursD.In two hours
We ( ) on it for many hours but we have not yet reached any conclusion. A、have had workedB、have been workingC、are workingD、work
How many hours will you()( ) the community service a week? A、spend forB、adjust toC、apply toD、devote to
YouworkasadatabaseadministratorforSupportcenter.cn.Yourdatabaseisconfiguredforautomaticundomanagement.UNDO_RETENTIONissetto3hours.Youwanttoflashbackatablethatwascreatedlastyear.Howfarbackcantheflashbackquerygo？（）A.3hoursB.6monthsC.untillastyearD.untillastcommitE.untilthepointwhentheundotablespacewasrefreshedF.untilthedatabaseisshutdownandthememoryerased
If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat，you should ______.A.go in one direction until the fuel runs outB.steer a course for the nearest landC.steer a course for the nearest sea laneD.shut down the engines if installed and put out the sea anchor
他们工作四小时，休息八小时。（）A、They work four hours and have four hours for rest.B、They work eight hours and have four hours for rest.C、They work four hours and have eight hours for rest.D、They work eight hours and have eight hours for rest.
单选题The Departure Report，required by vessels participating in AMVER，must be sent（）.Aas soon as practicable on leaving portBprior to departureCwithin 24 hours of departureDwithin 12 hours of departure
单选题If n flights land at a certain airport in h hours, how many flights would land at that airport in i hours?AhinBi/nChn/iDin/hEhi/n
单选题According to the passage, under the great pressure of life, many women _____.Awill do a part-time job along with the full-time jobBwould rather stay at home than apply for a part-time positionCwould be fired if they can not finish the job quicklyDwill agree to have their working hours shortened if required
单选题You intend to discharge medical or hazardous wastes ashore MARPOL annex V requires you to notify a receiving port or terminal in advance.How much advance notice require?（）A12 hoursB24 hoursC48 hoursDAdvance notification is not required
单选题If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat，you should （）.Ago in one direction until the fuel runs outBsteer a course for the nearest landCsteer a course for the nearest sea laneDshut down the engines if installed and put out the sea anchor
单选题The bridge should inform the engine room before passing through congested or shallow waterway（）A24 hoursB2 hoursC1 hoursD15 minutes
单选题According to the passage, people have difficulty getting to sleep because ______.Athey work more than sixty hours a weekBthey have too many enemiesCthey do not sleep happilyDthey are not tired enough
单选题In the summer holidays, the library will have ______.Ano special hoursBspecial hours on weekdaysCspecial hours on weekendsDspecial hours both on weekdays and weekends
单选题The SART should have sufficient battery capacity to operate in the stand-by condition for（）hours and should continuously work for（）hours.A120/20B56/18C100/16D96/8
单选题他们工作四小时，休息八小时。（）AThey work four hours and have four hours for rest.BThey work eight hours and have four hours for rest.CThey work four hours and have eight hours for rest.DThey work eight hours and have eight hours for rest.
单选题How many hours of rest is the minimum required in a normal day?（）A14 hoursB10 hoursC6 hoursDIt does not matter as long as my overtime is paid for
单选题It took 12 men 4 hours to build a structure. Working at the same rate, how many additional men could have been hired in order for the job to have taken 1 hour less?AtwoBthreeCfourDsix.Eeight
单选题Two teenagers can paint a garage in 6 hours. How many hours would it take 3 teenagers to paint the same garage?A3/2B5/2C8/3D3E4
单选题A rotary current sets through all directions of the compass. The time it takes to complete one of these cycles is approximately（）.A3 hoursB6 1/2 hoursC12 1/2 hoursD25 hours