单选题______A food B water C medical D environmental

考题 Wash your hands () with hot soapy water before handling any food. A、thoroughB、thoroughlyC、throughD、though

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考题 The text is mainly about .A.water supply and increasing populationB.water use management and agricultureC.water redistribution and wildlife protectionD.water shornages and environmental protection.

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考题 Birds will come back again and again to the ____ spot for food and water. A.forbiddenB.fleshC.givenD.fresh

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考题 Food and water more expensive than ________ used to be. A.isB.themC.itsD.they

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考题 24． Which of the following is TRUE?A． All the cities are using hydrapulers．B． All the rubbish is made up of the packages and cans．C． In the course of recycling，water is needed in the hydrapuler．D． The Americans only eat the food in packages and cans．

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考题 The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ______.A.environmental forcesB.bottom conditionsC.cable weightD.water density

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考题 During the towing of a survival craft，a lookout should be on station to ______．A.release the towline in an emergencyB.help the helmsman steerC.look for food and waterD.check the water level in the bilge

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考题 What represents poor sanitary procedures ________．A.Keep and use a separate filling hose for potable（drinking）waterB.Locate potable（drinking）water tanks as low as possible in the bilgeC.Eliminate enclosed spaces in which trash，food particles，dirt may gatherD.After washing dishes with soap and warm water，sterilize them in water of at least 170℉（76.7℃）

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考题 We cannot exist without air,food or water.A: expand B: rise C: live D: quit

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考题共用题干 Drying Ways for Food1.Centuries ago,man discovered that removing moisture from food helps to preserve it,and that the easiest way to do this is to expose the food to sun and wind.In this way the North American Indians produce pemmican(dried meat ground into powder and made into cakes),the Scandinavians make stockfish and the Arabs dried dates and"apricot leather".2.All foods including water,cabbage and other leaf vegetables contain as much as 93%water, potatoes and other root vegetables 80%,lean meat 75%and fish,anything from 20%to 60%,depending on how fatty it is.If this water is removed,the activity of the bacteria which causes food to go bad is checked.3.Fruit is sun-dried in Asia Minor,Greece,Spain and other Mediterranean countries,and also in California,South Africa and Australia. The methods used vary, but in general,the fruit is spread out on trays in drying yards in the hot sun.In order to prevent darkening,pears,peaches and apricots are exposed to the fumes of burning sulfur before drying. Plums,for making prunes, and certain varieties of grapes for making raisins and currants,are dipped in an alkaline solution in order to crack the skins of the fruit slightly and remove their wax coating,so as to increase the rate of drying.4.Nowadays most foods are dried mechanically.The conventional method of such dehydration is to put food in chambers through which hot air is blown at temperatures of about 110℃at entry and to about 43℃at exit. This is the usual method for drying such things as vegetables,minced meat, and fish.5.Liquids such as milk,coffee,tea,soups and eggs may be dried by pouring them over a heated steel cylinder,by spraying them into a chamber through which a current of hot air passes.In the first case,the dried material is scraped off the roller as a thin film which is then broken up into small,though still relatively coarse flakes.In the second process,it falls to the bottom of the chamber as a fine powder. Where recognizable pieces of meat and vegetables are required,as in soup, the ingredients are dried separately and then mixed.6.Dried foods take up less room and weigh less than the same food packed in cans or frozen, and they do not need to be stored in special conditions.For these reasons they are invaluable to the climbers,explorers and soldiers in battle,who have little storage space.They are also popular with housewives because it takes so little time to cook them.Usually it is just a case of replacing the dried-out moisture with boiling water.Paragraph 4______A:Drying Fruit in the Traditional Way.B:Food Drying Histrory.C:Water in Food.D:Drying of Liquid Food.E:Advantages of Dry Food.F: Mechanical Food Dehydration.

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考题 The food we eat seems to have profound effects on our health.Although science has made enormous steps in making food more fit to eat ,it has, at the same time,made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well,especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures. That food is related to illness is nto a new discovery. In 1945, about 35 years ago, government researchers realized that nitrates, commonly used to preserve color in meats,and other food additives,caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and living animals, and because of this ,penicillin has been found in the milk of treated cow. Sometimes similar drugs are given to animals not for medical purposes,but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration(FDA) has tried repeatedly to control these procedures, the practices continue. Which of the following statements is NOT ture? a.Drugs are always given to animals for medical reasons b.Some of the additives in our food are added to the food itself and some are given to the living animals c.Researchers have known about the potential dangers of food additives for over thirty-five years. d.Food may cause forty percent of cancer in world.

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考题 What are the children SaveTheYouth helps NOT in need of?A. Improved cleanliness B. Food and water C. Medical insurance D. Doctors

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考题共用题干 Water一the Issue of This CenturyThe world is running short of freshwater. Populations are growing bigger and thirstier （渴的）,with the result that freshwater is becoming increasingly scarce（缺乏）.Half the world's wetlands have disappeared during the last century,while estimates suggest that wa- ter use will rise by 50% in the next 30 years.The World Bank report estimates that as much as half of the world's population,concentrated in Africa,the Middle East and south Asia,will face“severe water shortages”by 2025.Local water conflicts and the loss of freshwater ecosystems appear large in some re- gions.A similar picture emerges from the globe's salt water regions. Three-quarters of the world's people may live within 100km of the sea in 2025,putting even more pressure on stretched coastal ecosystems. Two thirds of fisheries（渔业）are exploited at or beyond their sustainable limits, and half the world's coral reefs（珊瑚礁）may perish in 100 years. Almost 60% of coral reefs and 34% of fish species are at risk from human activities,the Bank says.The report concludes that there is ample evidence to justify immediate and coordinated action to safeguard supplies and use water more efficiently.Fresh water consumption is rising quickly,and the availability of water in some regions is likely to become one of the most pressing issues of the 21st century.A third of the world's popu1ation一around two billion people一live in countries that are experiencing moderate to high water shortages.That proportion could rise to half or more in the next 30 years unless institutions（制度）change to ensure better conservation and alloca- tion of water.China is one country where the portents（征兆）are gloomy. The most waterstressed country in East Asia,China is exploiting 44%of its usable water,a figure projected to rise to6O%by 2020.Primary withdrawal of water of more than 60%is widely considered by water experts to exceed the environmental carrying capacity of a river basin system. AlthoughChina's total use appears still to be reasonable,it has several basins that are severely stressed environmentally.Withdrawals exceed environmental limits in Afghanistan and Pakistan,and will exceed them in India by 2020.In the Middle East and North Africa,only Morocco has unexploited water resources.The rest have exceeded environmental limits and many are mining aquifers （蓄水层）一bodies of water-bearing rock一the report says.India exceeds environmental limits for water use.A: RightB: WrongC: Not mentioned

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考题 California wildfires are being magnified and made so much worse by the bad environmental laws which aren’t allowing massive amounts of readily available water to be properly______。 A.utilized B.changed C.avoided D.converted

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考题 The food we eat seems to have profound effects on our health.Although science has made enormous steps in making food more fit to eat ,it has, at the same time,made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well,especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures. That food is related to illness is nto a new discovery. In 1945, about 35 years ago, government researchers realized that nitrates, commonly used to preserve color in meats,and other food additives,caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and living animals, and because of this ,penicillin has been found in the milk of treated cow. Sometimes similar drugs are given to animals not for medical purposes,but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration(FDA) has tried repeatedly to control these procedures, the practices continue. Which of the following statements is NOT ture?（）A、Drugs are always given to animals for medical reasonsB、Some of the additives in our food are added to the food itself and some are given to the living animalsC、Researchers have known about the potential dangers of food additives for over thirty-five years.D、Food may cause forty percent of cancer in world.

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考题单选题The davit aboard a ship is used to（）.A lower personnel down by a transfer basketB lower food and water to personnel in a life raftC lower the life raft down with its full complementD move equipment around the deck

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考题单选题During the towing of a survival craft，a lookout should be on station to（）.A release the towline in an emergencyB help the helmsman steerC look for food and waterD check the water level in the bilge

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考题单选题Solid waste generation，and electricity and water consumption are costly and have their own set of environmental（）.A inspectB impairsC impactsD insects

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考题单选题Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）A Ration food and water suppliesB Search for survivorsC Determine position and closest point of landD Check pyrotechnic supplies

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考题单选题The SOLAS convention about “passenger ship and dried food ship damage control” prescribes that the engine room emergency bilge water suction should connect with （）A the main S-W pumpB ballast pumpC air-conditioning water pumpD the main S-W pump or ballast pumps that have the biggest output

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考题单选题Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.A preloadB liquid variable loadC fixed loadD basic load

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考题问答题Research published in May 1998 by the Department of the Environment, Transport and the Regions (DETR) showed that reducing coastal and river pollution and ensuring a reliable water supply were among the top environmental priorities for the public.　　All discharges to water in the UK require the consent of the appropriate regulatory authority. In England and Wales the Environment Agency’s principal method of controlling water pollution is through the regulation of all effluent discharges, including sewage, into groundwater, and inland and coastal waters. The Agency maintains public registers containing information about water quality, discharge consents, authorizations and monitoring. Applicants for consents to discharge have the right of appeal if they are dissatisfied with the Agency’s decision; most of these appeals are dealt with by the Planning Inspectorate, an executive agency of the DETR. In Scotland control is the responsibility of the Scottish Environment Protection Agency (SEPA), and most appeals are dealt with by the Scottish Office. In Northern Ireland the Environment and Heritage Service is responsible for controlling water pollution.　　In 1997, there were 4,717 cases in England and Wales of discharges exceeding their consented limits, including a number of offences by water companies discharging insufficiently treated sewage. The majority of these breaches did not cause any significant environmental damage. However, the Environment Agency did bring 65 cases to court, of which 61 were successful, resulting in fines ranging from ￡ 440 to ￡ 12,000 and one prison sentence of two months. In Scotland, there were 2,734 pollution incidents in 1997; SEPA seeks prosecution in all significant cases.　　In 1997 and 1998, the Government introduced statutory Environmental Quality Standards (EQSs) for 33 substances in water. The new regulations give legal force for the first time to standards for some of the most dangerous pollutants found in the aquatic environment.　　In the UK, 96 percent of the population live in properties connected to a sewer, and sewage treatment works serve over 80 percent of the population. In England and Wales, the water industry is committed to an investment programme of some ￡ 11,000 million over ten years for improvements to water quality. Progressively higher treatment standards for industrial waste effluents and new measures to combat pollution from agriculture are expected to bring further improvements in water quality. In Scotland, responsibility for the provision of all water and sewerage services lies with three Water and Sewerage Authorities, covering the north, east and west of the country.

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考题单选题Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）A Ration food and water suppliesB Take anti-seasickness pills，if availableC Determine position and closest point of landD Check pyrotechnic supplies

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考题单选题The food we eat seems to have profound effects on our health.Although science has made enormous steps in making food more fit to eat ,it has, at the same time,made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well,especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures. That food is related to illness is nto a new discovery. In 1945, about 35 years ago, government researchers realized that nitrates, commonly used to preserve color in meats,and other food additives,caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and living animals, and because of this ,penicillin has been found in the milk of treated cow. Sometimes similar drugs are given to animals not for medical purposes,but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration(FDA) has tried repeatedly to control these procedures, the practices continue. Which of the following statements is NOT ture?（）A Drugs are always given to animals for medical reasonsB Some of the additives in our food are added to the food itself and some are given to the living animalsC Researchers have known about the potential dangers of food additives for over thirty-five years.D Food may cause forty percent of cancer in world.

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考题单选题Why are small animals important?A They are part of the balance of nature and the food chain.B They are beautiful.C Bigger animals are eaten by themD Without them, there may be no water.

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考题问答题Water is vital for our survival and for producing food. It takes about a thousand tons of water to produce one tone of grain that, fed to cows, produces only 18 pounds of meat. Today mankind is using about 160 billion tons more water each year than is being replenished by rain and fed back into water storages. If this water were carried in water trucks, it would require a 300, 000-mile-long convoy of trucks every day—a convoy length 37 times the diameter of the Earth. This is how much water we are using and not replenishing.

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考题单选题Which of the following operations may be dangerous?A Overfilling the cooker with food and water.B Cleaning the cooker with detergent.C Cooling the cooker with cold water.D Setting too little cooking time.

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考题单选题Basic emergency care for third degree electrical burn is to（）.A flood the burned area with warm water for two minutesB brush away the charred skin and wrap the burned areaC cover the burned area with a clean cloth and transport the patient to a medical facilityD apply ointment or spray to the burned area and wrap with a clean cloth

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