Weather observations provided by each weather station include all of the following except ______.A.temperatureB.visibilityC.predicted weather for the next twelve hoursD.barometric pressure and change in the last three hours

Weather observations provided by each weather station include all of the following except ______.

A.temperature

B.visibility

C.predicted weather for the next twelve hours

D.barometric pressure and change in the last three hours


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单选题The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT().Aevaluate the danger of each closing visual or radar contactBadjust speed with due regard for the weather and visibilityCreduce speed only where local speed limits are postedDenter all required test and inspection results in the vessel's log or other record carried on board

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单选题Weather observations provided by each weather station include all of the following except().AtemperatureBvisibilityCpredicted weather for the next twelve hoursDbarometric pressure and change in the last three hours

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单选题Passage3 Questions 11 to 15 are based on the following passage. Many of the most damaging and life threatening types of weather, such as torrential rains and severe thunderstorms, begin quickly, strike suddenly, and disappear rapidly, destroying small regions while leaving neighboring areas untouched. (79) Conventional(普通) computer models of the atmosphere have limited value in predicting short-lived local storms because the available weather data are generally not detailed enough to allow computers to see clearly the small atmospheric changes that come before these storms.In most nations, for example, weather-balloon observations are taken just once ever3r twelve hours at location typically separated by hundreds of miles. With such limited data, conventional forecasting models do a much better job predicting general weather conditions over large regions than they do forecasting specific local events. Until recently, the observation-intensive approach needed for accurate, very short range forecasts, or nowcasts, was impracticable. The cost of equipping and operating many thousands of conventional weather stations was extremely high, and the difficulties involved in rapidly collecting and processing the raw weather data from such a network were beyond overcoming.Fortunately, scientific and technological advance have overcome most of these problems. Radar systems, automated weather instruments, and satellites are all capable of making detailed, nearly continuous observations over large regions at a relatively low cost. Communication satellites can transmit data around the world cheaply and immediately, and modern computers can quickly compile and analyze this large volume of weather information. (80) Meteorologists(气象学家)and computer scientists now work together to design computer programs and video equipment capable of transforming r.aw weather data into words, symbols, and vivid graphic displays that forecasters can interpret easily and quickly. As meteorologists have begun using these new technologies in weather forecasting offices, nowcasting is becoming a reality.13 Nowcasts used to be impracticable because______.Athere were no conventional computersBthe cost of the equipping and operating was sky-highCthere were no difficulties in data processingDthere were not enough meteorologists

单选题A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the().Afire hose might be damaged by cargo operationsBvessel is in portCfire-main system is not chargedDfire pumps are used for purposes other than supplying water to the fire main

单选题The advantages of pair and group work include all of the following EXCEPT________.Ainteraction with peersBvariety and dynamismCan increase in language practiceDopportunities to guarantee accuracy

单选题As a licensed Merchant Marine Officer you are expected to().Aobtain a weather forecast before setting out from portBlisten to weather forecasts on the radio while enrouteCunderstand all broadcast weather warning informationDAll of the above

单选题Passage3 Questions 11 to 15 are based on the following passage. Many of the most damaging and life threatening types of weather, such as torrential rains and severe thunderstorms, begin quickly, strike suddenly, and disappear rapidly, destroying small regions while leaving neighboring areas untouched. (79) Conventional(普通) computer models of the atmosphere have limited value in predicting short-lived local storms because the available weather data are generally not detailed enough to allow computers to see clearly the small atmospheric changes that come before these storms.In most nations, for example, weather-balloon observations are taken just once ever3r twelve hours at location typically separated by hundreds of miles. With such limited data, conventional forecasting models do a much better job predicting general weather conditions over large regions than they do forecasting specific local events. Until recently, the observation-intensive approach needed for accurate, very short range forecasts, or nowcasts, was impracticable. The cost of equipping and operating many thousands of conventional weather stations was extremely high, and the difficulties involved in rapidly collecting and processing the raw weather data from such a network were beyond overcoming.Fortunately, scientific and technological advance have overcome most of these problems. Radar systems, automated weather instruments, and satellites are all capable of making detailed, nearly continuous observations over large regions at a relatively low cost. Communication satellites can transmit data around the world cheaply and immediately, and modern computers can quickly compile and analyze this large volume of weather information. (80) Meteorologists(气象学家)and computer scientists now work together to design computer programs and video equipment capable of transforming r.aw weather data into words, symbols, and vivid graphic displays that forecasters can interpret easily and quickly. As meteorologists have begun using these new technologies in weather forecasting offices, nowcasting is becoming a reality.15 The dream of nowcasts will come true when______.Athe cost is loweredBpeople need it to reduce damagesCmeteorologists can make full use of the new technologiesDconventional weather forecasts are got rid of