Question and answer of encyclopedia knowledge contest

What is the printer type of high speed and high resolution 1? Laser type 2. What is the driving force of the world weather? Sun 3. Suppose you boil a pot of water on a spaceship. How long will it take to cook? Will not boil. 4. What is glucose? White crystal 5. What is the principle of pruning fruit trees in gardening? Top advantage 6. What is the deep hole under the top of the front teeth, the teeth used to judge the age of horses? Backlash 7. What is the close observation of the sun by human beings? Skylab, a large manned space station launched by the United States in 1973, 8. What abiotic factors are related to the following phenomena: When the water temperature drops to 8 degrees, sardines will gather to the shore? The temperature is 9 degrees. The earliest quasars were discovered in 1960? What are the approximate values of 3C48 10 and 1 light year? 946 billion kilometers 1 1, regarding the earth's rotation, it is incorrect: the earth's rotation refers to the earth's movement around the center of the earth 12, what is the relationship with the roundworm living in the human body? Parasitic 13, the following do not belong to artificial vegetative propagation of plants: branches 14, who invented the first telescope? Galileo 15, snake venom as a drug does not have which of the following functions? Anesthesia 16, which of the following ecosystems is the easiest to maintain ecological balance? Rainforest 17, China has issued four laws and regulations on software copyright protection, the latest one is: computer software copyright registration 18, which of the following animals has the largest brain? Sperm whale 19, the thicker the fuse, the greater the fuse current. 20. The life span of European herring living in Caspian Sea and Black Sea is higher than 100 and 2 1 year respectively. A lens with a thicker edge than the center is called a concave lens. 22. The following diseases are not infectious diseases: coronary heart disease. 23. The following diseases are not immune system diseases. 25. The earliest quasars were found in 1960: 3C48 26. What is the main composition of natural gas? Methane 27, the moon sometimes looks like a crescent, and the moon outside the crescent has a slight light. Astronomers call this phenomenon? Gray light. 28. What does the gray light mean? The earth reflects sunlight to the moon. 29. The most important form of wind energy utilization is wind power generation. 30. In the microcomputer Chinese character system, how many bytes is the internal code of a Chinese character? 2 3 1. anthracite is the largest calorific value in coal. 32. In the grass-rabbit-wolf-tiger food chain, tigers belong to the third category of consumers. 33. What abiotic factors are related to the following phenomena: animals such as dogs and sheep need to change their hair in summer. Sunshine 34, 1970, Dr. Hawking realized and successfully proved: black hole boundary theorem 35, penicillin was invented in: 1928 36, solid carbon dioxide is commonly known as dry ice, what role does it have? Artificial rainfall. If a person's sciatic nerve is alive and the spinal cord is damaged, then this person: feels, but does not move (paralysis) 38. If you want to send files to people who don't have an FTP server, the best way is to use: E-mail 39. Someone bought a stock last year and it fell by 20% that year. How many percent should we increase this year to keep the original value? 25%40, computer hardware can only be directly executed: machine language 4 1, which of the following insects will cause harm to the growth of green vegetables? Snail 42. Whether two creatures that can live independently live together and depend on each other is beneficial to each other, or beneficial to one side and harmless to the other. This relationship with life is called * * Habitat 43. After people are punctured by rusty nails, tetanus can be avoided by injecting tetanus antitoxin. This immunity belongs to: artificial immunity 45. The growth cycle of eyebrows is probably: two. 1 m 47。 What shape does a pig's tail look like when it is in a good mood? Swing 48 degrees horizontally. When is World Water Day? March 23 49. The biggest perspective among animals is: What do fish and shrimp breathe? Gill 5 1, the highest reptile is: crocodile 52, giant panda and red panda belong to the same family? Not 53. Which constellation is Polaris in? Ursa minor 54. The farmer has 65,438+07 sheep, and all but nine of them died of illness. How many sheep does the farmer have left? 9 55. Which of the following vitamins can be converted into calcium after being irradiated by the sun? VD 56, the opening of the Silk Road can be traced back to: Western Han Dynasty 57, the following are not Gramineae plants: cotton 58, the control center of amoeba is: nucleus 59, what form does nitrogen mainly exist on the earth? Can nitrogen 60 and mercuric chloride be used with iodine? No, there will be toxic substances producing 6 1. The biggest muscle in human body is gluteus muscle 62. Which of the following fish is viviparous? Shark 63. Why are there no live hairtail for sale in the market? Due to the great pressure change, hairtail died immediately after being caught. 64. Which animal has the longest life span in the world? Turtle 65. Why are the eyes of the white rabbit red? This is the color of blood. 66. What do pangolins prey on? Tongue 67. How many provinces does the Yellow River flow through? 9 68, the world's first test-tube baby was born in: 1978 69, oil is known as "black gold", is this correct? Which is heavier, wood or iron, in air or in vacuum 1 ton? log