2Who was China's first Olympic champion? (Xu Haifeng)
3 Who invented the eyeglass? (Logie, Bacon)
4 Why does a bicycle move? (The tires of a bicycle rub against the ground.)
5Who is each of the following titles? (Poetry Immortal - Li Bai, Poetry Sage - Du Fu, Poet Ghost - Li He Landscape Poet - Meng Haoran, Field Poet - Tao Yuanming)
6 What does the moon revolve around? How long does it take to revolve? (Earth) (24 hours)
7 What are the three major plains in China? (Northeast Plain, North China Plain, Middle and Lower Yangtze Plain)
8 How many earthquakes are there on Earth each year? (about 5 million)
9 What is the smallest and coldest star? (Pluto)
10 What is Earth's thick cover? (Atmosphere)
Respondent: ○Lace Lace ○ - Apprentice in Magic Level 1 11-8 18:36
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Responders: Fannie - Probationary period Level I 11-1 12:42
<<Sprinting One Hundred
回答者：一笑图 - 试用期一级 11-1 12:49
General exercise book can be ......
Respondent: liuyue1260 - 举人四级 11-11 21:26
The following phenomenon is related to which abiotic factors: Dogs, goats, and other animals in summer to change their coats once? Sunlight
The type of printer that is fast and has high resolution is? Laser-based
The driving force behind the world's weather is? The sun
Suppose you boil a pot of water on a spaceship, how long will it take to boil? It won't boil
Glucose is? White crystals
What principle is often used in horticulture for pruning fruit trees? Apical dominance
The tooth used to determine the age of a horse, a deep cavity under the tip of the incisor, is? the groove
Human observation of the Sun's proximity was made possible by the launch of Skylab, a large manned space station in the United States, in 1973
Which of the following abiotic factors is associated with the phenomenon that sardines congregate near the shore when the water temperature drops to 8 degrees? Temperature
The first quasar to be discovered was ?3C48 in 1960
One light year is approximately ?946 billion kilometers
In relation to the rotation of the Earth, it is incorrect to state that: the rotation of the Earth is the movement of the Earth around the center of the earth
What is the relationship of roundworms that live in a human body? Parasitism
What is not one of the following methods of artificial plant nutritional reproduction: stem division
Who invented the first telescope? Galileo
Plant nutrient propagation is a method of reproduction in which the nutrient organs of the plant body produce new individuals, e.g., by stolons: strawberries
Which comet is responsible for the Leonid meteor shower? Comet Temple-Tuttle
Which abiotic factor is associated with the following phenomenon: pines, cypresses, etc. do not grow well in the dark. Sunlight
Robert Hooke first saw under a microscope the cell walls of: cork cells
The earliest thermometers were: air thermometers
The lens that is thicker in the center than at the edges is called: a convex lens
Which of the following is not a monosaccharide: maltose
Snake venom, as a medicinal use, does not have which of the following effects? Anesthesia
Which of the following ecosystems has the easiest ecological balance to maintain? Tropical rainforests
China has introduced four regulations on software copyright protection, the most recent of which is the Registration of Computer Software Copyright
Which of the following animals has the largest brain? The sperm whale
The thicker the fuse is: the higher the fusing current
The life span of the sturgeon, which lives in the Caspian and Black Seas, is: higher than 100 years
The lens that is thicker at the edges than in the center is called: a concave lens
The following disease is not infectious: coronary heart disease
The following is not a disease of the immune system: albino disease
Do fish have ears? Yes
The first quasar was discovered in 1960: 3C48
The main component of natural gas is? Methane
The moon sometimes appears to be a crescent, but outside the crescent there is still a faint glow, a phenomenon astronomers call "gray light". What does gray light mean? The Earth reflects sunlight back to the moon to form
Someone bought a stock last year, the year fell 20%, this year should rise by what percent to maintain the original value? 25%
In the process of formation of germ cells, the second division is characterized by: the mitosis into two
Two kinds of organisms **** with the life of each other, interdependent, and once separated from both sides or one side of the death, the relationship between these two kinds of organisms is called: the relationship between the two kinds of organisms is known as. The relationship between these two organisms is called: ****birth
1 light year is approximately: 946 billion kilometers
Which abiotic factor is associated with the following phenomenon: sardines congregate towards the shore when the water temperature drops to 8 degrees. Temperature
The following is the URL of the web address of a home page of which conforms to the URL format:Http://www.the9.com
A rectangular hole is punched through the center of each of the two pairs of sides of a square, and a cylindrical hole is punched through the center of the top and bottom sides. Knowing that the sides of the square are 10 centimeters long, the holes in the sides are squares with sides of 4 centimeters long, and the holes in the top and bottom sides are circles with diameters of 4 centimeters, find the volume of this cuboid: 668.64 cubic centimeters
The most important form of wind energy utilization is: wind power generation
How many bytes are occupied by the internal code of a Chinese character in the Kanji system of a microcomputer?2
The coal that produces the most heat is: anthracite
In the food chain grass-rabbit-wolf-tiger, the tiger belongs to the: tertiary consumer
Which abiotic factor is associated with the following phenomenon: Animals such as dogs and goats change their coats once in the summer. Sunlight
In 1970, Dr. Stephen Hawking realized and successfully proved: the black hole boundary theorem
Penicillin was invented in: 1928
Solid carbon dioxide, commonly known as dry ice, serves what purpose? Artificial rainfall
If a person's sciatic nerve is alive and the spinal cord is damaged, the person has: sensation but no movement (paralysis)
If you want to send a file to someone who doesn't have an FTP server, the best way to do it is to use: E-mail
The second division in the formation of a germ cell is characterized by: the splitting of the onset point into two
A person suffering from an acute illness can be killed by: a disease of the brain
The second division of a germ cell is characterized by: the splitting of the onset point into two
When a person suffers from an acute inflammatory disease, an increase in the number of white blood cells is observed, a phenomenon that is immunologically characterized by: non-specific immunity
The animal that undergoes summer hibernation is: the sea cucumber
Which of the following is a conventional source of energy: hydroelectric
Why was the lighting in the ancient paintings and silk weaving galleries controlled to: reduce ultraviolet light
Why was it necessary to control the light in the galleries? To reduce ultraviolet light
Cetaceans can be broadly categorized into two main groups: baleen whales and toothed whales, which of the following is not a baleen whale? Sperm whale
The following is a parasitic plant: Cuscuta
The only thing that computer hardware can execute directly is: machine language
The following is a correct description of computer viruses: Computer viruses are latent, and may lurk for long periods of time, encountering certain conditions before they begin to do damage
The end products of complete digestion in the digestive tract are: glycerol, a substance that can be used as an antioxidant and a substance that can be used as an antioxidant. The end product of digestion is: glycerol
Which of the following insects can be harmful to the growth of greens? Snails
Two organisms that are both capable of independent survival **** live together and depend on each other for their mutual benefit or for the benefit of one and no harm to the other, this **** living relationship is called: *** habitat
The fact that embryonic development of all higher organisms begins with a single fertilized egg suggests that higher organisms originated from what organism? Single-celled
Theoretically, a black hole cannot be smaller than: 10 minus 31 cubic meters
Oil is formed from what material in water under high pressure? Microbial debris
In the carbon cycle of an ecosystem, the process that releases carbon dioxide into the atmosphere is: respiration
Why do fireflies glow? Because it has light-emitting cells in its body
Mosquitoes are one of the four pests that can spread a variety of diseases, which of the following diseases is not spread by mosquitoes? Rabies
Some insects go through four periods in their lives, egg → larva → pupa → adult, this is called complete metamorphosis, which of the following insects is complete metamorphosis? Silkworm
Which of the following statements is false? A constant temperature increases the hatching rate of bird eggs
Tetanus can be avoided by injecting tetanus antitoxin into a person's foot after it has been pierced by a rusty nail; this type of immunization belongs to the category of: Artificial Immunization
The growth cycle of the eyebrow hairs is about: two months
The sugar that is more suitable for diabetics is: Xylitol
Einstein is known for his theory: relativity
Caucasians (white people) generally have a high "nose" Why? To warm up cold air in the nose before it enters the airways
To print a postcard in oil, you can print the front of one sheet and the back of another sheet at the same time. how many times do you have to print three sheets of the postcard to finish it? 3 times
The least abundant freshwater dolphin in the world is the white dolphin
What is the length of a baby fish? 1 meter
What shape does a pig's tail take when it is in a good mood? It swings horizontally
What day is World Water Day? March 23
Of the following metals, the most reactive is: Mg
The development of the embryo in higher animals refers to: the development of a fertilized egg into a hatchling
Laughing gas is used as: an anesthetic in the field of medicine
What is the same element in diamond as in: graphite
What is the same element in diamond?
The largest of the animals is: fish
Bioengineering does not include: soil engineering
The least abundant element in the Earth's crust is: astatine
What do bats rely on to tell where they are going and what do they feed on? Sound
Which species of fish dies after spawning? Salmon
Which stage are electronic computers currently in? The era of large-scale and very large-scale integrated circuits
The only bird in the world that *sniffs* to hunt for food is: the several-dimensional bird
What do shrimp rely on to *breathe*? Gills
In what year was the first genetic code translated? 1961
From which part can you tell the age of a horse? Teeth
What two elements make up a water molecule? Hydrogen and oxygen
What animal of the vertebrates is beginning to be considered a true land animal? Reptiles
The symbol that represents two nitrogen atoms is: 2N
Which country built the first subway? Britain
Pollution of the Yellow River water has deteriorated the ecological environment and lost the diversity of biological populations. Do you know how many species of fish were originally found in the Yellow River? More than 150 species
What degenerates into the fins of the Baiji dolphin: the forelimbs
The most advanced reptile is: the crocodile
Which of the following vitamins can be converted to calcium when exposed to the sun? VD
The opening of the Silk Road dates back to: the Western Han Dynasty
Which of the following is not a graminaceous plant: cotton
Amoebas have their control center in: the nucleus
Are giant pandas and red pandas in the same family? No
The largest egg of any extant bird is: the ostrich
The wolverine is found in China only in: the forests of the Daxinganling
The Polaris is in which constellation? Ursa Minor
A sponge is an: animal
The structure of a cell that can only be seen under an electron microscope is called a: submicroscopic structure
The role of a catalyst in a chemical reaction is to: change the speed of the reaction
The Earth has a perihelion and an aphelion, and during the winter months in the northern hemisphere the Earth is in the following position: perihelion
The following statements about phosphorus are correct. Red phosphorus is not toxic while white phosphorus is highly toxic
The farmer had 17 sheep and all but 9 died of disease, how many sheep does the farmer have left?9
Nitrogen exists on Earth mainly in what form? Nitrogen
Can red potion be used with iodine? No, toxic substances are produced
The largest muscle in the human body is: the gluteus muscle
Which of the following is a fish that is viviparous? Shark
Why are there no live striped bass on the market? Striped bass die immediately when they are caught due to the huge change in pressure
The genus Merluccius is: Artiodactyla
Which of the following fruits is a nut? Chestnuts
Which animal has the longest life span in the world? Tortoise
Why are the white rabbit's eyes red? They are the color of blood
What does the pangolin use to hunt? Its tongue
What does the white-cum-dolphin *detect* and recognize objects in the water? Hearing (sonar)
How many cervical vertebrae does a giraffe have? (Hint: rats have 7 cervical vertebrae) 7
If you observe the stars for a long time, which city has the highest number of constellations observed? Guangzhou
Geneticist Mendel's occupation was: pastor
The outermost of the nine planets in our solar system is: Pluto
Which of the following will poison a cow if it eats it? Rotten yams
What family of animals is the panda? Feline
The metal with the highest melting point in the world is: tungsten
The following is a specialty of this country: persimmons
The current treatment for viruses is: the use of interferon
Which of the following is not a seed plant? Spore plants
Which of the following is a seed plant: willow
What country was Albert Einstein a scientist from? United States
In what location in the air does a person feel the loudest when the same gun is fired? The ground
A substance that is neither soluble in water nor in nitric acid is: AgCl
The most abundant line in the air is: nitrogen
Pineapple belongs to what group of fruits? Compound fruits
Which scientist officially published the periodic law of the elements in March 1869? Mendeleev
Polar buggies are designed and built to mimic the walk of what animal? Penguins
What we see as moonlight is: the moon reflecting the sun's rays
What a person feels as "hot" is: a combination of heat and pain
Ferns evolved over bryophytes on the basis of: the presence of vascular tissues
Which of the following is not a fat-soluble vitamin? >
HTML is formally known as: Hypertext Markup Language
How do a frog's eyes look when it swallows food? Eyes closed
The following are not homologous organs: the human hand and the winged hand of a bat
What season do chrysanthemums usually open? Fall
What type of fruit does the ginkgo belong to? Nuts
The smallest island nation, Nauru, is located in: Oceania
Which of the following substances destroys the ozone layer? Freon
Which of the following aquatic organisms is a fish? Seahorses
Kelp is: Algae, Brown Algae
The hardest of all minerals is currently: diamond
Which of the following is a country with no agriculture? Monaco
What family does the lynx belong to: the cat family
What level of protection is the monitor lizard in China: I
Who is the champion high jumper among animals? The mountain lion
The outermost and smallest planet in our solar system is: Pluto
In China, the animal known as the "six unlike" is: the tarsier antelope
The formation of acid rain is mainly due to what kind of pollution? Sulphur dioxide
The time it takes for blood to circulate through the body for one week is: 20 seconds
Objects that pass through the eye look like: inverted real images on the retina
Carbon monoxide burns in the air and emits: a blue flame
Currently, the appendix is thought to be part of: the exemptions system
Northern star is in: the Ursa Minor constellation
Northern Star is in the sky in: the constellation of
The monitor lizard is one of China's protected animals: Class I
The hyacinth plant in the grasslands of Inner Mongolia can reach a maximum height of: 2 meters
Of the following gases, the one that is highly toxic is: carbon monoxide
The Yellow River flows through how many provinces? 9
The basic skeleton of the cell membrane is: the phospholipid bilayer
Apples and roses are in the same family as the rose? the same family? Yes, Rosaceae
The smallest of the birds is: the hummingbird
The color of the snowflake-like solid that turns into a snowflake at about -218 °C (55 K) is: light blue
The Earth and the other planets in our solar system do not collide because of what? The gravitational pull of the sun
What color is the top of a rainbow? Red
When the head of a live locust is submerged in water for 10 minutes (while the rest of the body is exposed to air) will the locust die? No
In which of the following countries do cars drive on the *left* side of the road? Japan
Please tell me if 3599 is: a composite number
What is the approximate percentage of a person's body weight that is water? 60%
Which is lighter, a kilogram of iron or a kilogram of cotton? The same weight
Are synthetic fiber blends prone to pilling? Yes
What is commonly known as a whale is: a mammal
The oceans make up: 71% of the Earth's surface area
The platypus has: an unstable body temperature
Which vitamin is an antioxidant and anti-aging agent? "black gold", is this statement correct? Yes
Which is heavier in air, wood or iron, which weighs the same 1 ton in a vacuum? Wood
The winds on Earth do not flow straight due to () Earth's rotation
The method generally used to remove insoluble solids from liquids is: filtration
What is the human knee-jerk reflex test a test of? Plant nerves
Who is the champion high jumper among animals? The mountain lion
Which of China's chicken breeds is listed in the "World Atlas of Good Chickens"? Wolverine Chicken
Is the large-leafed boxwood the same tree as the small-leafed boxwood? No
Clone is written in English as: clone
Is the vision of the baiji dolphin good? No, it has deteriorated
The hardest ore in nature is: diamond
The following organs are not homologous: the hand of a human being and the winged hand of a bat
Oxygen becomes a liquid at about -183 °C (90 K), and its color is: light blue
Human beings see consecutive frames in a movie because of: visual pause
Geneticists Monsieur Manguei, who was the author of the book The Scarlet Letter, wrote that "The Scarlet Letter" in English.
Geneticist Mendel's occupation was: pastor
Natural selection in the Origin of Species is also known as: survival of the fittest
The only bird capable of flying back and forth is: the hummingbird
The spawning season of the baby fish is: late summer
Cows can be poisoned if they eat which of the following things? Poisoning? Rotten yams
The virus of mad cow disease is thought to be a: protein (prion)
The peacock with an open screen is: a male peacock
The place of green plants in an ecosystem is: producer
The largest muscle in the human body is: the gluteus muscle
The "cucurbit" is the What part of a plant? A flower
In what part of the air does a person feel the loudest when the same shot is fired? The ground
What is known as the "Land of a Thousand Islands"? Indonesia
A substance that is neither water nor nitric acid soluble is: AgCl
Dolphins are: mammals
Dolphins are: ( ) mammals
The color of a black hole is? No color
Were dinosaurs cold-blooded (warming) or warm-blooded (constant temperature) animals? Undecided
Which vitamin promotes calcium absorption: vitamin D
In China, the animal known as the "six unimaginable animals" is: the tarsier antelope
Polar buggies are designed to mimic the walk of what animal? Penguin
The longest neck of a giraffe in the world is: about 6 meters
Which of the following words stands for electronic mail: E-mail
The mass-energy equation was developed by: Albert Einstein
What is the kiwi fruit? Berries
Why do chickens eat small stones? To aid digestion
Which of the following is NOT a bird: a bat
Which of the following is NOT a heavy metal that is toxic to the human body: sodium
San Marino is known as a "country within a country", and is surrounded by which country? Italy
The largest lymphatic organ in the human body is: the spleen
The position of a phytophagus (herbivore) in an ecosystem is: primary consumer
How many isotopes of carbon are known? 12
What is the sweetest part of an apple? The top
Rainfall with a pH less than 5.6 is: acidic
What do a frog's eyes do when it swallows food? Eyes closed
What is the larva of a mosquito called? tsetse
The following is a specialty of China: persimmons
Which of the following is not a consequence of a volcanic eruption that warms the climate
The curved moon that is seen from the northern hemisphere with its bulging, luminous side facing left is called: the waning moon
Penguins usually lay their eggs a few at a time?2
Lazy monkeys live in a habit of: lounging around by day and by night
Carbon monoxide burns in the air. Carbon monoxide burns in the air and emits a: blue flame
Objects pass through the eye and appear on the retina as: inverted real images
Farmers often trap lepidopteran insects at night by using black lights, which takes advantage of the insect's: stress
The Sika Deer is a protected animal in China at how many levels: Class I
The famous Miller Experiment proves that synthesizing amino acids is possible under the conditions of a primitive Earth. The famous Miller experiment proved that synthesizing amino acids was possible in the primitive Earth's environment
Near-sighted glasses are correctly described as: concave lenses
The Dianthus, a genus of Dianthus, is known as: carnation
How old is the Earth? 5-6 billion years
What does the white dolphin *detect* and recognize objects in the water? Hearing (sonar)
Oxygenated acid: Sulfuric acid
When you catch a butterfly, you leave colored "powder" on its wings, which is actually: tiny scales
Which vitamins can promote the absorption of calcium: vitamin D
The following metals and acids can not react: copper and dilute sulfuric acid