It is necessary for the ship to contact（）for authorization prior to undertaking mitigating actions in an oil pollution incident.

A . allow the exhaust fans to remove smoke B . extinguish the fire by carbon monoxide smothering C . prevent additional oxygen from reaching the fire D . protect fire fighting personnel from smoke

A . is scavenged B . is atomized with fuel oil C . be scavenged D . be atomized with fuel oil

A . scar B . scale C . spur D . bilge

A . To prevent internal damage form local overheating B . To ensure the fuel nozzles are flushed clean C . To clear the smoke stack D . To let the waste heat boiler reduce its rate of steam generatio

A . soluble state B . solid state C . liquefied state D . inert state

A . into B . about C . for D . after

A . Appendicitis B . Cholera C . Plague D . Typhus fever

A . when installing SSD drives B . when adding a new workload C . when installing SATA drives D . when adding more Linux host

A．it is necessary to get a job B．it is necessary to find a job C．he must get a job D．a job must be found

A．explanations B．instructions C．descriptions D．introductions

The most important part of dog-care is cleanliness. Not only does the dog have to be kept clean, but his environment should also be clean. The bed he sleeps in can be made with anything like a rug or a dog mattress. Proper feeding is also important for your dog's health. A dog should be fed in the same place and on a regular schedule. If your dog refuses to eat, don't force him. Remove his food and don't feed him again until his next regular feeding. Food should never be left before a dog for more than 30 minutes. One important thing that many dog owners forget is exercise for the dog. Vigorous exercise helps build strength and keeps the dog healthy. A regular walk at a fixed time of the day is enough to help a smaller dog live a healthier end happier life. Large dogs, though, require a run in an open fid& There are other things that are also important for a dog's health — things like bathing, care of the teeth and nails, keeping them away from insects as much as possible. But if you observe the three main points covered above, your dog will give you a great amount of pleasure. (23) A．Until he eats it. B．All day. C．At lease 30 minutes. D．No more than 30 minutes.

Three-quarters of the world is covered with water. But only three percent of this water is fresh. All the rest is salt, and fills the oceans and the great inland seas. It is the salt that makes sea water useless to man. If you take the salt away the water can be used for drinking and for watering plants. In 1962 President John Kennedy of the United States said, "When man discovers how to mm salt water into fresh water cheaply, he will have made a much more important scientific advance than when he first landed on the moon". Human beings need water for【46】,【47】and【48】and【49】. Main idea: The【50】

A．understand why young people are interested in making a better life B．understand what .young people think and feel C．see what is wrong in their lives

A．the drug be proven absolutely safe for human use B．a consensus be reached in the nation regarding the proper usage of such drugs in a moral sense C．influential opposition groups accept it, opening the way for political feasibility D．the question of when life begins be satisfactorily resolved and the current health concerns related to the pill clarified

此题为判断题(对，错)。