Asking for scientific and technological information

1. How many tons of water does a person drink in his life? (80 tons).

2. The faucet drips water, 15 minutes, 200 ml, with nearly 20 liters of water every day. How many tons of water are wasted a year? (7 tons)

3. Give some examples of how to generate electricity. (Thermal power generation, hydroelectric power generation, wind power generation)

4. What are the principles of environmental protection law? (prevention first, the principle of combining prevention with control; Polluter burden principle; Principle of environmental rights; Principle of coordinated development; Principle of public participation; The principle of sustainable development)

5. Which level of protected animals does the white-headed langur belong to in China? (level 1)

6. Please tell us 1998 the cause of the flood in the Yangtze River basin. It is the result of the interaction between "natural disasters" and "man-made disasters". The direct causes of natural disasters are abnormal climate and excessive rainfall; There are three main reasons for man-made disasters: first, the destruction of surface vegetation and serious soil erosion. Second, the number of rivers and lakes is decreasing, which further reduces the flood storage and discharge capacity. Third, the necessary flood control measures can't keep up, and the urban flood control standard is low)

7. From 1980 to 1995, how much has the world forest area decreased? (65438+800 million hectares)

8. The shortage of water resources has become a major problem in the urban development of China. According to statistics, more than 300 cities in China are short of water. What is the annual economic loss caused by water shortage in China? How big is the economic loss caused by water pollution? (654.38+more than 0 billion yuan, more than 40 billion yuan)

9. What is the percentage of freshwater resources in global water resources? (3%)

10. What is the proportion of polluted rivers in China at present? (90%)

1 1. With the increase of population, water resources have become a worldwide problem. The per capita water supply in the world today is less than that of 25 years ago 1/3. How many countries in the world are affected by water shortage today? (80 countries)

12. Mercury, cadmium, chromium, lead and arsenic are a kind of pollutants, which are very harmful to human body and are called "five poisons". These pollutants are absorbed by plankton after entering the water body with wastewater. Small fish eat plankton, big fish eat small fish, and people eat polluted fish, and pollutants will gradually gather in the human body. Why do we call this relationship? (food chain pollution)

13. According to the observation of scientists, the global climate is getting warmer. What are the main reasons for climate warming? (Human production activities emit a lot of carbon dioxide)

14, if anything is missing? All living things on the earth will be extinct, including humans? (air and water)

15, what is the harm of carbon monoxide gas to human body? The human body transports oxygen to various tissues and organs through hemoglobin in the blood. Inhalation of colorless and odorless carbon monoxide will enter human blood. The ability of carbon monoxide to bind hemoglobin is 250 times stronger than that of oxygen. It will quickly seize the position where oxygen combines with hemoglobin in the blood, causing hypoxia in the brain and body, which can cause death in a short time. )

16, smoke and dust are solid particles in the atmosphere, with a small diameter, and those smaller than 10 micron can float in the air for a long time. What's it called? Anything larger than 10 micron can land on the ground quickly. What's it called? (floating dust, falling dust)

17. In the 1990s, due to serious air pollution, a city in northern China was shrouded in smoke and dust, and lost its trace in satellite photography. What's the name of this city? (Benxi City)

18. When is the annual World Environment Day? (June 5)

19. What is the polluter pays principle? (whoever pollutes will be treated, whoever develops will be protected)

20. Seven major water systems in China are polluted to varying degrees. Please rank them in order of pollution severity (Liaohe, Haihe, Huaihe, Yellow, Songhua, Pearl and Yangtze).

2 1. How much garbage does China produce every year? (more than 80 million tons) and how fast is it growing every year? ( 10%)

22. What are the hazards of garbage? (1, soil, groundwater, air pollution, etc. , affecting the urban environment and living conditions of residents; 2. Take up valuable land resources. )

19521February, a smog event occurred in London, England, which shocked the world. In two months, 12000 people died. What is the cause of the fog and haze in London? (Waste gas pollution caused by coal burning)

24. In Cape Helena, South America, which is closest to the South Pole, almost all animals are blind: if a sheep has cataracts and becomes blind, the hunter can pick up a blind rabbit and go home to enjoy delicious food. Wild birds flying in the sky mistakenly entered others because of their poor eyesight and disorientation. Even the fish in the river are blind. Many people who live here get skin cancer, cataracts and other diseases, and plants grow slowly. Why is this? The ozone layer in this area has been seriously damaged, which is caused by the strong ultraviolet rays of the sun.

25. How high is the ozone layer above the ground? (20-30 km)

26. What are the main reasons for the destruction of ozone layer? Chemicals used by humans, such as freon, are volatilized into the air. )

27. When is the International Ozone Layer Day every year? (September 16)

28. What diseases have the highest incidence caused by excessive ultraviolet rays? (keratitis, cataract)

29. What is the population of1200 million? Let's give some vivid statements: If China people stand hand in hand at the equator of the earth, how many times can they circle the earth? (50 laps); People all over the country eat tens of thousands of tons of grain a day. (780000 tons); How many ten thousand tons of meat? Forty thousand tons.

30. What is the pollution in modern family rooms? (Human pollution, building materials pollution, household appliances pollution, kitchen pollution, pesticide pollution)

3 1. In China, when is Arbor Day in January? (March 12)

32. Why aren't there so many stars over the city and the moon so bright? (1) The light from the sky is covered by the air pollution over the city; The second is the light pollution caused by artificial sunlight. After sunset, billboards and neon lights in busy streets and squares reflect the night of the city into day. These have affected the contrast of light and shade over the city to some extent)

33. If there were no forests in the world, how much life on land would decrease? (90%); How much oxygen will be reduced in the air? (2/3)。

34. What are the three types of light pollution? Light pollution is generally divided into three categories in the world: white light pollution reflected by sunlight on the surface of buildings, artificial daytime pollution caused by advertising lights, neon lights and street lamps at night, and colored light pollution caused by various colored light sources in indoor entertainment places. )

35. With the construction of facilities along the street in cities, environmental problems caused by light pollution have become increasingly prominent. What measures can prevent the harm of light pollution? (a) building construction and decoration with less surface, glass, etc. , use materials with low reflection coefficient. B, strengthen the decoration management of advertising lights and neon lights, and it is not advisable to use high-power strong light sources. C. If the light is too strong, the office building and living room can be controlled by double curtains. D, plant flowers and plants around the building and adjust the lighting environment. )

36. What is the main source of noise? Industrial noise generated by various machinery and equipment in the factory; Traffic noise generated by vehicles such as cars, trains and ships; Construction site noise generated by pile drivers, mixers, bulldozers, etc. ; Noise in public places and homes)

37. What are the hazards of noise? Noise will do harm to human hearing organs, nervous system, cardiovascular system and digestive system.

38. Where does domestic sewage come from? Kitchen, bathroom, bathroom, etc. )

39. What percentage of the earth's surface is covered by water? (70%)

40, China per capita fresh water possession is a fraction of the world average water? ( 1/4)

4 1. What are the main reasons for the deterioration and pollution of rivers and lakes in China? (Industrial wastewater and domestic sewage)

42. What are the advantages of using waste paper to produce recycled paper? (1, don't cut down forests, save wood; 2, the log processing procedure is omitted, the investment is saved, and the wastewater discharge is reduced; 3. Reduce the consumption of water, electricity and coal, and save energy; 4. Reduce garbage and save land. )

43. Why do fish and shrimp die in large numbers as soon as there is a red tide? (Because a large number of plankton in seawater floats on the sea surface, it will not only consume oxygen in water, but also prevent oxygen in the air from entering the water body. In addition, red tide organisms will secrete mucus and adhere to the gills of fish, shrimp, shellfish and other organisms, which will hinder breathing and lead to suffocation and death. )

44. How does red tide harm people? Eating fish and shellfish polluted by red tide can lead to poisoning and even death.

45. How much sewage does the Yangtze River bring to the East China Sea every year? (1.66 billion tons)

46. If the water keeps flowing when you rinse your mouth, how much water is wasted every time you brush your teeth? (More than 3 liters of water, 3 kg)

47. What animal is the natural enemy of the owl? (mouse)

48. How to effectively reduce plastic waste? (1) Try not to buy or use; The second is to reuse and avoid one-off. )

49. What are the main reasons why soil becomes desert? (Human activities and climate change)

50. How do drug residues in meat, eggs and fish come about? Feed livestock, poultry and fish with contaminated feed, and use antibiotics and other drugs to prevent diseases. )

5 1. What is the function of preservative? Where is it usually used? (The function is to prevent food from mildewing and rotting, and to inhibit the growth of bacteria and mold. Commonly used in the production of ham, sausage, fish, canned meat and other foods)

Eating too much pigment will do harm to your health. Where do you usually use the pigments in your life? (Used for ice cream, cakes, refreshing drinks, dried fish, jam and other foods)

53. What is green food? (Green food refers to pollution-free, safe and high-quality nutritious food approved by China Green Food Development Center).

54. What are the components of the green food logo in China? (composed of sun, leaves and buds)

55. What is the main composition of air? (Nitrogen, oxygen, ozone and various other gases)

56. What is the role of the earth's ozone layer? The ozone layer is a very important layer in the atmosphere, which can absorb most of the ultraviolet rays in the sun and protect life on earth from excessive ultraviolet radiation.

57. How many cigarette toxins can kill a cow? (20 pieces)

58. On average, how long does it take a person to die of smoking? (10 second)

59. Carbon monoxide is a harmful substance. What percentage of carbon monoxide in the air comes from automobile exhaust? What is the main reason? (80%, mainly due to incomplete combustion of gasoline. The more rush hour, when the car can't run or stop, the more carbon monoxide is produced. )

60. Why not stay on the main road for too long? Because of the concentration of harmful gases (carbon monoxide, etc.). ) The exhaust emissions of motor vehicles on the main roads are ten times or even hundreds times higher than those in other places, and the air pollution is great, which is harmful to health.

6 1. Why did the glaciers on the Antarctic edge leave the Antarctic continent? (Global warming due to the "greenhouse effect")

62. How to reduce the urban "heat island effect"? (Increase the area of green plants)

63. What caused the lion face of Lugou Bridge in southwest Beijing to become blurred, even lost its head and legs, and became "disabled"? (the result of acid rain corrosion in the atmosphere)

64. What is the cause of acid rain? (Carbon dioxide and sulfur dioxide in the waste gas discharged by the factory meet with moisture in the air and then mix with rainwater to form acidic substances)

65. What are the consequences of acid rain on lakes? Acid rain will acidify the lake, leading to the gradual death of organisms in the lake and the destruction of ecosystem activities, and eventually become a dead lake.

66. What are the main pollutions of household appliances? (Excessive volume of home audio-visual system will produce noise; If the air in the air-conditioned room is not circulating or the temperature is too low, we are easily infected by the virus and get sick; Mobile phones, induction cookers and microwave ovens all produce electromagnetic radiation)

67. What harm will excessive use of detergent bring? (1) Detergent residue on clothes will irritate the skin, which will lead to skin diseases in severe cases. Detergents left on the surface of tableware or fruits and vegetables will enter our bodies and damage our health; B: A large amount of sewage containing detergent is discharged into rivers, which pollutes the environment and harms aquatic organisms. )

68. Why should we protect sharks? Sharks play an important role in marine ecology and are at the top of the marine food chain. Overfishing sharks will make some weak fish multiply, consume limited food and destroy the ecological balance of the whole ocean.

69. In the vast Pacific Ocean, there is an island called the Lost Island Civilization. What's its name? (Easter Island)

70. How long does it take for waste plastics to degrade themselves in nature? (100-300)

7 1, send a greeting card or send an email? Which way to express blessings is more environmentally friendly? (send email)

73. What is endangered? Endangered means that there are only a few left, and there is hope of saving by taking measures. )

74. What is extinction? Extinction means disappearing forever, and there can be no more.

75. Name the "eight public hazards" that shocked the world in the 20th century? (Minamata disease in Minamata Bay, Japan, pain in Mount Fuji, rice bran oil in Japan, asthma in Yangyi, Belgium, smog in Mas Valley, London, England, photochemical smog in Donola, USA, and Los Angeles)

76, flood caused serious pollution of water environment, what are the typical epidemic prone to occur? (malaria, cholera, typhoid fever)

77. Name the four great apes in the world? (Gibbon, orangutan, gorilla, chimpanzee)

78. White-headed langur belongs to several protected animals in China? (level 1)

79. Which level of protected animals does the giant salamander belong to in China? (second level)

80. What are the main reasons for the sharp decline of wildlife at present? (mass killing of human beings)

8 1. The fresher the edible fungi and daylily, the better. Is this correct? (Wrong, auricularia auricula and daylily should be dried and cooked to avoid poisoning)

82. What is a green school? (A green school refers to a school that, on the basis of realizing its basic educational function and guided by the idea of sustainable development, integrates the management concept that is beneficial to the environment into its daily comprehensive work and makes continuous improvement, effectively promotes the school as a whole to participate in the practical actions of environmental protection and sustainable development, and cultivates high-quality talents with high environmental literacy to adapt to the development of 2 1 century, thus contributing to the sustainable development of society. )

83. What is a green community? (A green community refers to a community that has certain hardware facilities that meet the requirements of environmental protection and has established a relatively complete environmental management system and public participation mechanism. )

84. What is a green hotel? What does a green hotel (hotel) contain? Green hotel (hotel) refers to a hotel (hotel) that takes sustainable development as its concept, integrates environmental management into hotel management, applies the concepts of environmental protection, health and safety, adheres to green management and cleaner production, advocates green consumption, protects the ecological environment and makes rational use of resources. Its core is to provide customers with green rooms and green restaurants that meet the requirements of environmental protection and human health, and to strengthen environmental protection and rational use of resources in the production process.

85. Why do you refuse to eat wild animals? Because eating wild animals destroys the ecological environment, many wild animal species in China are on the verge of extinction; The second is to eat wild animals, which is easy to infect germs)

86. What does green consumption include? (It can be summarized as: saving consumption and reducing pollution; Green life, environmental protection procurement; Reuse, multi-layer utilization; Classified recycling, recycling; Protect species, everything is born)

87. In order to reduce air pollution and traffic congestion, what mode of transportation should be advocated when traveling? (Bicycles, buses, trams, subways and other public transport)

88. How much recycled paper can be produced by recycling one ton of waste paper? (800 kg)

89. What is the function of the forest? Absorb carbon dioxide, generate oxygen, prevent climate change, conserve water, prevent wind and sand, and maintain ecological balance. )

90, iron pot, aluminum pot, stainless steel pot, which pot cooking is the most conducive to health? (iron pot)

9 1. What are the main environmental problems in this city? Air pollution, water pollution, solid waste and noise pollution. )

92. What are the five major human problems facing the world today? Population, food, energy, resources and environment. )

93. What are the main things in pollution-free energy? Solar energy, ocean energy, wind energy, geothermal energy and hydropower. )

94. What are the China tree species known as "living fossils"? (Silver fir, ginkgo, Davidia involucrata, fragrant fruit tree. )

95. The largest desert in the world is the Sahara desert. The largest desert in China is (Taklimakan Desert).

96. Bird Love Week in China is the last week of April every year.

97. What are the top ten scenic spots in China?

The top ten scenic spots in China are Wan Li Great Wall, Guilin Landscape, Beijing Forbidden City, Suzhou Gardens, Three Gorges of the Yangtze River, Sun Moon Lake in Taiwan, Terracotta Warriors and Horses in Qinling Mountains, West Lake in Hangzhou, Huangshan Mountain in Anhui and chengde mountain resort.

98. The South-to-North Water Diversion Project is to introduce abundant water resources from the Yangtze River into the Yellow River to alleviate the water shortage in the central and western regions.

99. Festivals related to environmental protection

February 2nd World Wetlands Day

March 12 China Arbor Day

March 22nd World Water Day

March 23rd World Meteorological Day

March 24th World Tuberculosis Day

April 7th World Health Day

April 22nd, Earth Day

May 3 1 Day World No Tobacco Day

June 4th International Day of Child Victims

5 June World Environment Day

World Day to Combat Desertification and Drought

China Land Day on June 25th.