1. What kind of food does green food refer to? （C ）
A. Vegetables, fruits
B. Green food
C. Safe and non-polluting food
D. Foods with rich nutritional value
2. The story of "Cowherd Weaver Girl" is a well-known myth and legend, so do you know what constellation the Cowherd Star belongs to? （B）
A, Lyra B, Aquila C, Taurus D, Leo
3, the following situation will not trigger a tsunami. （C）
A, underwater earthquake B, volcanic eruption C, plague D, underwater collapse
4. Which of the following is not environmental pollution? （A）
A. Biological contamination B. Food pollution C. Noise pollution D. Soil pollution
5. Which of the following tiger subspecies is extinct? （A）
A, Balinese tiger; B, South China tiger; C, Sumatran tiger; D, Indochinese tiger
6. Wetland protection is an important area of environmental protection, and World Wetlands Day is annually (C).
A. March 12 B. May 2 C. February 2 D March 2
7. Which of the following animals has the most sensitive sense of smell? （A）
A dog B mouse C rabbit D hedgehog
8, the Northern Song Dynasty of China's Bi Sheng invented ? （D）
A papermaking B compass C gunpowder D movable type printing
9, choose phosphorus-free laundry detergent is for (B).
A. Protect clothing
B. Prevention of pollution
C. Protect your hands
D Wash your clothes cleaner
10. The seven inches of "hitting the snake and hitting the snake" refers to: ( B )
A. Throat B. Heart C. Head D. Tail
11. Which of the following is not natural radiation? （D）
A. Cosmic rays
B. Terrestrial radiation sources
C. Radioactive materials in the body
D. Artificial radiation
12. The world's first geokinetic instrument was invented by (A).
A, Zhang Heng B, Li Shanbang C, Gutenberg
13, reduce "white pollution" we should (A).
A. Consciously do not use, less use of refractory plastic packaging bags
B. Littering plastic waste
C. Use plastic products as much as possible
D. Try not to use paper bags
14. What is the closest planet to the Sun among the eight planets? （ D）
A． Mars
B. Saturn
C. Venus
D. Mercury
15. China's acid rain area occupies the area of national land (B).
A. 20% B.40% C. 30% D.10%
16. What are the colors of the navigation lights on the aircraft? （A）
A Red, green, white
B White, yellow, blue
C Green, Yellow, Blue
D Red, Green, Yellow
17. Weapons of mass destruction do not include (B).
A． Chemical weapons B. Space Weapons C. Biological weapons D. nuclear weapon
18. What day of the year is World No Tobacco Day? （B）
A.March 31 B. May 31 C. July 31 D. August 31
19. Where did alchemy originate? （B）
A. Ancient India B. Ancient Egypt C. Roman D. Ancient Greece
20. The height of the cloud base of Cumulonimbus clouds is generally (D).
A.3000-4000米
B. 2000-3000 m
C.1000-2000 m
D.400-1000 meters
21, falling out of the glass window is one of the signature shots in action movies, but the actor is not hitting the real glass, but (C).
A. Plastic
B. Crystal
C. Sugar glass
D. Plexiglass
22. The largest nature reserve in China is (C).
A. Kanas Lake Conservation Area
B. Tianchi Conservation Area
C. Altun Mountain Reserve
D. Bayinbrook Reserve
23, when the earthquake occurs at home (building), how to avoid the earthquake (A).
A. Hide under solid furniture such as tables, where the triangular space can be formed after the house collapses
B. Go to the corridor
C. Stay still
D. Jump off a building
24. When riding a running electric (automobile) car, if you encounter an earthquake, you must (B) handrail to avoid falling or bumping.
A. Leave
B. Grasp firmly
25. What is the most abundant metal in the earth's crust? （D）
A 、铁 B 、铜 C 、钙 D、 铝
26. Ground vibration caused by underground nuclear explosion or industrial explosion belongs to (B).
A. Collapse earthquake
B. Artificial earthquakes
C. Volcanic earthquakes
D. Induced earthquakes
27. Trauma scene first aid technology refers to (A).
A. Hemostasis, bandaging, fixing, handling
B. Stop the bleeding, bandage, fix, and wait for medical staff
C. Stop the bleeding, bandage, and wait for medical staff
D. Stop the bleeding, fix and wait for medical staff
28. A tsunami is a catastrophic wave, usually caused by a seafloor earthquake whose source is within 50 kilometers of the seabed and has a magnitude of more than (C) on the Richter scale.
A、4 B、5 C、6.5
29. (A) is a kind of marine energy power generation, but it is the earliest, largest and more mature technology in the utilization of marine energy.
A. Tidal energy generation
B. Wave power generation
C. Power generation
D. Temperature difference power generation
30, in a constant temperature room, you stand barefoot on the tile feel colder than standing on cotton, because: ( B)
A. Cotton temperature is high
B. The tile conducts heat quickly
C. The illusion of the body
D. The temperature of tiles is lower than that of cotton
31, a hydrogen balloon filled with gas, put it down, it will: (C )
A. It has been rising
B. Stop rising after rising to a certain height
C. It rises all the way up and finally explodes
D. Stop and don't move
32. The emblem of the China Wildlife Conservation Association is (B)
A. Red-crowned crane B. Giant panda C. Camel D. A plant
33. The main hematopoietic organs of human beings are (B)
A. Heart
B. Bone marrow
C. Spinal cord
D. Brain
34, put a thermometer in front of the rotating electric fan, the liquid column of the thermometer will be (C).
A. Rise
B. Decline
C. Unchanged
D. Not necessarily
35, an ancient coin has a square hole in the middle, if the ancient coin is placed in the fire to heat, then the area of the hole will be (B).
A. Zoom out
B. Expansion
C, unchanged
36. Among the following four types of household waste, the one that needs to be separated and stored separately is (B).
A. Peel, core
B. Waste batteries
C. Fish bones, fish offal
D. Waste paper
37. Nuclear radiation is mainly α, β, and γ (A).
A, Ray B, Atom C, Matter
38. The main source of pollution that destroys the ozone layer is (D).
A． Factories, household stoves burn fossil energy
B． Car exhaust
C． The non-ferrous metal smelting industry emits exhaust gases
D． Freezers and refrigerators are widely used in industry and households
39. In the solar system speed competition, (A) the fastest speed around the sun.
A. Mercury
B. Earth
C. Jupiter
D. Mars
40. What is the largest mammal in the world (C)?
A. Elephant B. Rhinoceros C. Blue Whale D. Hippopotamus
41. What is the largest freshwater lake in China?
A. Poyang Lake B. Dongting Lake
C. Qinghai Lake D. Taihu Lake
42, which of the most poisonous spiders in the world is the following? （C）
A. Anaphistura Spider;
B, Black Widow Spider;
C, The Brazilian Roaming Spider;
D, as poisonous
43. During World War II, it was (B) who was known as the "King of Fighters".
A． Zero fighter
B． P-51 Mustang fighter
C． P-47 Thunderbolt fighter
D． FW-190 fighter
44, typhoons that make landfall along the coast of China, if they make landfall on the coast of the United States, they must be renamed (C).
A. Trade winds
B. Tornadoes
C. Hurricanes
D. Monsoon
45. In which dynasty did the "closed door and thief catch" in the Thirty-Six Schemes occur? （D）
A, Southern Tang B, Southern Han C, Nanping D, Southern Song Dynasty
46, the world's largest palace is? （ A）
A. Forbidden City, Beijing
B. The Louvre in Paris
C. Potala Palace in Lhasa
D. Moscow Kremlin
47, the beautiful and peculiar "mirage" is a phenomenon produced by the refraction of light, when does it usually occur? （B）
A. Spring
B. Summer
C. Autumn
D. Winter
48. The successful launch of the "Chang'e-1" satellite means that China has become one of the first countries in the world to launch a lunar probe? （ C）
A, the third
B. The fourth one
C. Fifth
D, the sixth
49. Which of the following actions is wrong when the fire occurs? （A）
A. Rush outside immediately
B． Stop smoke from invading
C． Evacuate the fire site from a safe passage
D． Cover your mouth and nose with a wet towel as soon as possible
50. In order to ensure the solidity of the Great Wall, what did our ancestors mix into the mortar of building the Great Wall? （ A）
A. Glutinous rice B. Corn C. Sweet potato D. sweet potato
51. What is known as the "world's largest natural museum"? （C）
A． Aleutian Islands
B. Hawaiian Islands
C. Galapagos Islands
D. Lesser Antilles
52What is the largest ancient stone construction project in the world? （A）
A． Great Wall of China B. Pyramids of Egypt
C. Colosseum in Ancient Rome D. Forbidden City in China
53. How many years does Halley's Comet have in its elliptical orbit? （B）
A. 20 years B. 76 years C. 50 years D. 90 years
54. Why do many crows and eagles rush over the bushfires in Australia's Northern Territory and hover over the smoke? （C）
A. They want to learn the rebirth of the phoenix.
B. They are using thick smoke to bathe and remove parasites from their bodies.
C. They are looking for food such as snakes and lizards that have been forced out by the fire.
D, they are using fires for heating.
55, there are "openings" on the side behind the shark's head, what is that? （A）
A. Its gill cracks
B. Its wounds
C. Its nostrils
D. Its detector officer
56. Which of the canines can climb trees is the following? （B）
A, Red Fox B, American Gray Fox C, Coyote D, Dog
57, mangroves are often soaked in salty seawater, how does it drain salt? （A）
A. The salt is discharged through the stomata on the blade
B. Through the root
C. Through the stem
D. Through the fruit
58, why do raccoons like to run to human settlements? （A）
A. Humans have encroached on its territory
B. Like human food
C. Like to play with human pets
D, like human beings
59. The song "Edelweiss" is an episode in the American movie (B).
A. The Wizard of Oz B. The Sound of Music C. Charlotte's Web D. Journey to the Center of the Earth
60. Polar bears and which of the following bears are relatively closely related by blood? （ B）
A. Asian black bear; B, brown bear; C, Malay bear; D, spectacled bear
61, (A) radiation is helium nucleus, as long as a piece of paper can be blocked, but inhalation of the body is harmful, so to be contaminated by this radiation food can not be drunk
A、a
B、b
C、c
62, dogs mainly rely on (B) to help the body dissipate heat.
A. Nose B. Tongue C. Paws D. Tail
63. How does the distance between galaxies and galaxies change in the universe? （A）
A． Stay away from each other
B． Get close to each other
C． Unchanged
D． not necessarily
64. Why do newspapers turn yellow after a long time? （A）
A． Oxidation of lignin
B． The ink pigments decomposed
C． The pulp absorbs moisture from the air
D． The chemicals used for bleaching have broken down
65. The principle of fruit power generation is the same as the following kind of battery? （A）
A． Dry cell B. Fuel cell C. Solar cell D. Differential temperature battery
66, the tank is an important weapon in modern warfare, it was first invented by the (C) people.
Germany
B. Soviet Union
C. United Kingdom
United States
67. The tombstone of Wu Zetian in Qianling, Shaanxi Province, has the character (A) on it.
A. 0 B. 10 C. 100 D.1000
68 When did the Maya civilization disappear? （B）
A． 5th century B. 16th century C. 10th century AD D. 13th century AD
69. Why does a coaxial propeller helicopter have two propellers? （A）
A. Cancel the force generated by the rotation of the propeller
B. Good looking
C. Pure decoration
D. Increase the capacity of weapons and equipment
70. What is the lack of an element in the human body? （B）
A, calcium B, iron C, iodine D, sodium chloride
71. The three major ecosystems in the world do not include? （A）
A． Rivers B. Ocean c. Wetlands D. forest
72. What does "mountain" mean in Shandong Province and Shanxi Province? （B）
A． Taishan B. Taihang Mountain C. Hengshan D. Yimeng Mountain
73. What kind of metal elements are installed in the stomachs of special bullets such as flash bombs and incendiary bombs that can emit strong light? （B）
A. Sodium and magnesium
B, magnesium and aluminum
C, sodium and aluminum
D, potassium and aluminum
74. Which of the following substances is the same as the elements of diamond? （B）
A． Transparent plastic B. Pencil Refill C. Bulletproof glass D. marbled
75. Which part of the body is the most powerful "weapon" of the giant Liang Dragon? （C）
A． Head B. Foot C. Tail D. neck
76. The composer of the national anthem of the People's Republic of China is? （B）
A, Xian Xinghai B, Nie Er C, Tian Han D, Zheng Lucheng
77 Radar can detect distant aircraft because of (B).
A. The scanning function of the scanner
B. The reflection of electromagnetic waves emitted by radar
C. The observation role of radar telescopes
D. The reflection of infrared rays emitted by radar
78. "Study hard and grow up every day" is the purpose of which group? （B ）
A． Komsomol B. Young Pioneers C. ACYC D. Student Federation
79, aircraft were originally used for reconnaissance and photography in the military, and the first gun in the history of air combat was fired with what weapon. （C）
A, Pistol B, Machine Gun C, Rifle D, Submachine Gun
80. What kind of marine animals are poisonous? （ A）
A, monk hat jellyfish;
B, Clownfish;
C, seals;
D, sunfish;
81. Which of the following cities is called the "Ancient Capital of the Six Dynasties?" （B）
A． Beijing B. Nanjing C. Xi'an D. Luoyang
82. What is the highest content of the following ingredients in ice cream? （D）
A． Protein B. Lactose C. Ice Cube D. Milk fat
83, aircraft, tanks are used in kilometers / hour to express the size of the speed, warships are to use "knots" to indicate the size of the speed, please ask how many kilometers / hour is 1 section equal to? （D）
A、1.582 B、1.385 C、1.528 D、1.852
84. Who was the first person to reach the North Pole? （D）
A． Old British captain Cook
B． Chinese Kang Youwei
C． Western Han Dynasty writer Dongfang Shuo
D． American Pierrey
85. Which of the following is not an insectivore? （B）
A． Flycatcher B. Purslane C. Felt moss D. Nepenthes
86, what is the pigment that makes the leaves red? （A）
A． AnthocyaninS B. Chlorophyll C. Yellow carotene D. Orange carotene
87. Which two planets in the solar system is the asteroid belt between? （B）
A． Mercury and Venus
B． Mars and Jupiter
C． Venus and Mars
D． Neptune and Pluto
88. What is the smallest area of the world's four oceans? （D）
A． Pacific B. Indian Ocean C. Atlantic D. Arctic Ocean
89. For what achievement did Einstein receive the Nobel Prize? （C）
A． General Relativity B. Special Relativity C. Photoelectric effect D. quantum mechanics
90. Which of the following cats is hunted in groups? （B）
A, Tiger; B, Lion; C, Cheetah; D, Jaguar
91, rocket is the most important means of delivery in space navigation, the first countries to invent rockets are: (A)
A, China B, India C, Greece D Egypt
92. According to the cause of earthquakes, the earthquakes currently occurring in the world mainly belong to the (A) type.
A, tectonic earthquake B, volcanic earthquake C, collapse earthquake D, artificial earthquake
93, the sewer pipe under the wash basin at home, there is a section bent into a U-shaped part, the role of this U-shaped pipe is? （B）
A. Keep the water pressure stable.
B. Prevent the stench from the sewers from entering the house.
C. U-shaped pipe is more beautiful than vertical pipe.
D. Buffer the water that is flushed down, so as not to wash the tube away frequently.
94, a person standing in the swimming pool, on the shore of the person will find his legs? （B）
A. Getting longer B. Getting shorter C. Invariant D. It's impossible to tell if it's getting shorter or longer
95, people eat sweets and then eat sour food will feel? （C）
A. More sour B. Not sour C. Sweeter can see their own full D. Not sweet
96, just need how big a mirror to be? （B）
A. and human body isometric B. Half of height C. 1/4 of height D. 1/3 of height
97. In what period was the Silk Road opened? （D）
A． Tang Dynasty B. Song Dynasty C. North and South Dynasties D. Western han dynasty
98, oxygen in the air is the gas on which we live, if we inhale a very high concentration of oxygen, it will ( C ).
A. I feel that the air is very fresh
B. It feels light and fluttery
C. Cerebral intoxication, memory loss
D. Feel very comfortable and enhance immunity
99, camouflage clothing is a kind of military camouflage clothing, what colors below are unlikely to appear on camouflage clothing? （D）
A, Green B, Khaki C, Blue D, Big Red
100, the stars in the night sky are constantly blinking, is it because? （D）
A. Stars, like people, can be tired without blinking their eyes for a long time
B. The stars rotate at high speeds, causing light to reach the Earth at different speeds
C. The brightness of the star has changed
D. The density of the Earth's atmosphere is not the same, so that the light is constantly refracted