1 Why do you see lightning first and then hear thunder? Light waves travel faster in air than sound speed. Who was the first Olympic champion in China? (Xu Haifeng) 3 Who invented glasses? (Luigi Bacon). Why does the bicycle move? Bicycle tires rub against the ground. Whose title is the following? (Poet Fairy-Li Bai, Poet Sage-Du Fu, Shi Gui-Li He's landscape poet-Meng Haoran, pastoral poet-Tao Yuanming). What does the light of June revolve around? How long is a cycle? (Earth) (24 hours). What are the three plains in China? (Northeast Plain, North China Plain, Middle and Lower Yangtze Plain). How many earthquakes occur on the earth every year? (about 5 million times). What is the smallest and coldest star? (Pluto) 10 What is the thickness of the earth? (Atmosphere) 1 1 Why is there a black box on the plane? It is used to record all kinds of situations on the plane when the accident happened and help people understand the cause of the accident. 12 What are the customs during the Spring Festival? (Clean the house, set off explosions, post Spring Festival couplets, eat New Year's Eve dinner, etc. ). 13 What animals can predict earthquakes? Cattle, horses, donkeys, rabbits, chickens, dogs, snakes, rats, dogs, cats, swallows, eagles, etc. 14 What plants bloom first and then shed leaves? Forsythia suspensa, Yingchun, Chimonanthus praecox, peach tree, pear tree. 15 How do bees make hives? Every worker bee has a wax gland at the waist, which can secrete wax. This wax becomes soft and tough after chewing in the mouth, and can be used to build a honeycomb. Why is the 16 medicine bottle so light? Because light color can reflect light, dark color absorbs more light in the sun, and drugs are easy to deteriorate. 17 who invented the steam engine? (Watt) Know little about science. 18 which dinosaur is the hardest? Stegosaurus. 19 what is the blood of the earth? (Magma) What is the skeleton of the earth? (Rock) 2 1 Why don't you watch the welding sparks? It contains ultraviolet rays harmful to the eyes. Why can't you turn off the lights and watch TV? The screen and image of TV are relatively small. In the dark, the vision should be highly concentrated and expanded, and it is particularly sensitive to the strong reflection of light on the TV screen, which will stimulate the eyes and reduce vision. Who are the top ten marshals in People's Republic of China (PRC)? (Zhu De, Peng, He Long, Chen Yi, Liu Bocheng, Luo Ronghuan, Xu, Nie, *, Ye Jianying). Write down the dynasties in ancient China in order. (Xia, Shang, Zhou, Qin, Han, Sui, Tang, Song, Yuan, Ming and Qing). Why don't rabbits need water? Because there is a lot of water in the rabbit's staple food, it is enough for the body. If there is too much water in the intestine, you will get gastroenteritis. But rabbits can drink water when they are short of water. What is a meteor? (refers to the light trace produced when tiny solids or dust in space break into the earth's atmosphere). Who is an outstanding astronomer in the history of China? (Rolling). Who is the inventor of the battery? (Volts). Where is Mount Vesuvius? (Italy). 1 who are the two astronauts who arrived at the moon? Armstrong and Aldrin. 3 1 Which province and city is Mount Tai in? (Taishan City, Shandong Province). Where is the Amazon River? (Brazil). Where is the Irrawaddy River? (Myanmar). What are the five most precious gems in the world? Opal, emerald, diamond, sapphire, ruby. What was the name of the ancestor of the fish? (amphioxus). What is the name of the most poisonous spider in the world? What's the name of the animal that glows in the world? Rays and eels. Where does chocolate come from? It is made from seeds in the fruit of the cocoa tree. Why there are "tendons" in leaves ("tendons" can receive sunlight and let roots absorb water for leaves in Yuzryha). How many muscles do 40 people have? A * * * has more than 600 muscles. 4 1 Will the wood float on the water? No, there is a kind of "steel tree" that won't float on the water. What is the capital of France? (Paris). What is the capital of England? Answer: London. . What is the capital of Japan? Answer: Tokyo. What is the capital of Italy? Answer: Rome. What is the capital of the United States? Answer: new york. What are the ancestors of birds? Answer: Archaeopteryx. What are the four seafood products in China? Answer: large yellow croaker, small yellow croaker, hairtail, squid. What is 49' s mammal? Answer: blue whale. What is an amphibian? Answer: giant salamander. What is the most important insect in 5 1? Answer: Mayflies. What was the earliest crop? Answer: wheat. What are the four major oil crops in China? Answer: Rape, soybean, peanut, sesame. What are the three famous wines in China? Answer: tea, cocoa, coffee. What are the four biggest fruits in the world? Answer: apples, grapes, oranges and bananas. What is the national flower of Japan? Answer: cherry blossoms. Where is tulip the national flower? Answer: The Netherlands. What tree eats people? Answer: Dubai. 59 What flowers? Answer: Dawanghua. Who got rid of China's poor oil hat? Answer: Li Siguang. 6 1 who invented anesthesia? Answer: Hua Tuo. Who invented rubber? Answer: Edison. Who invented the missile? Answer: Qian Xuesen. What is the life span of the tortoise? Answer: 300 years old. China is the country that produces the most tigers in the world, so what is the most precious? The answer is the Northeast Tiger. What animal was first domesticated by humans? Answer: chicken. What is 67' s mammal? Answer: giraffe. What is the national flower of Thailand? Answer: water lilies. What are the plants that represent peace? Answer: olive branch. What is the logo of 70UFD? Answer: UFO. 7 1 How many years can you live without watering cactus? Answer: 6 years. What blood type is camellia? Answer: O type. Who was the first toad to breed without a grandfather? A: Zhu. Who invented the 74 plane? Answer: The Wright brothers. What are the four major disasters in the world? Answer: mice, mosquitoes, flies, bugs. 76 won the first international gold medal for China? Answer: Wu Chuanyu. Who was the first to predict comets? Answer: Harley. What is the homonym of Han nationality? Answer: Mandarin. What is the book with the least population? Answer: women's books. What is the document read by hand? Answer: Braille. 8 1 What is the oldest style? Answer: Poetry. What is the smallest flowering plant in the world? Answer: Wei Ping. What is the longest-lived tree? Answer: Dragon Blood Tree. What is the oldest litchi tree? Answer: Song Jiaxiang. What trees can prevent fire? The answer is: on Monday. What is desert ginseng? Answer: Cistanche deserticola. What plants are called natural displays? Answer: moss. What animal is called an insect killer? Answer: mantis. What flowers bloom first and then bloom? Answer: Magnolia, Spring Festival and Plum Blossom. What animal will eat silver? Answer: termites. When did China take part in the Olympic Games? Answer: 1924. How long did it take to run the longest marathon in 1992? Answer: 54 years. Is table tennis the national sport that China people are proud of? Answer: Yes. What is the most used event by referees? Answer: badminton. Which country invented ice cream? Answer: China. Who was the first person in the world to win the Jobert Prize twice? Answer: Madame Curie. Which dynasty did soy sauce start from? A: During the Qin Khan period. What's the name of 98 playing cards in English? Answer: When did the tie called "Game Card" 99 appear? A: It appeared in Roman times. 100 which country invented the chef's hat? Answer: French.