Answers to the Fifth Earth Doctors (High School Group) Please~

Part 1 Multiple choice questions: Only one of the four options in the following questions is correct.

1. The vastness of the universe is beyond people’s imagination. The unit used by astronomers to measure the distance in the universe is A

A astronomical unit B billion kilometers C distance between the sun and the earth D light years

2. In plain areas we can use an ordinary pot to The rice is cooked. However, when mountain climbers use ordinary pots to cook rice, it is difficult to cook the rice even though the water has boiled. Only a pressure cooker can be used to cook the rice. The reason for this phenomenon is: D

A. The temperature on the high mountain is too low B. The pressure cooker has high technical content

C. The air pressure on the high mountain is high D. High mountain The air pressure is low

3. To carry out environmental protection, we should start from me and the small things around me. During an outing, what we should do is: B

A. Climb and break branches of your favorite flowers and plants B. Bring your own drinking water instead of drinking spring water in the mountains

C. Put away packaged food Throw the plastic bag into a low-lying place D. Chase and play happily on the grass

4. The mountain in the picture on the right has a sea of ??clouds, strange rocks, strange pines, and hot springs, which combines the wonders of the world. This mountain is: D

A. Mount Emei B. Mount Tai C. Mount Lu D. Mount Huang

5. The following four pictures are landscape maps of the four major geographical regions in my country. What describes the landscape of North my country is: C

A B C D

6. The architectural features of the houses in the picture on the right reflect the local climate characteristics. This area is: C

A. Hot and arid desert

B. Area with severe cold all year round

C. Hot and rainy climate

D. High plateau

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7. The temperature in cities is higher than in suburbs. This is the so-called "urban heat island effect". For example, the annual average temperature in Shanghai is 1.1°C higher than that in its suburbs, Berlin is 1.0°C higher, and Moscow is 0.7°C higher. The causes of the "urban heat island effect" are: C

A. Most of the buildings in the city are white and have strong ability to reflect solar radiation heat.

B. There are good drainage facilities in cities, so very little heat is lost in evaporating water.

C. The density of urban buildings is high and the ability to absorb solar radiation heat is strong.

D. The population density in cities is much greater than that in suburbs.

8. The Tropic of Cancer passes through central Taiwan. Taiwan Island is surrounded by the sea and is regulated by the oceanic monsoon. The climate is pleasant all year round, with no severe cold in winter and no scorching heat in summer. The trees are green all year round. On Yushan Mountain, the main peak of the Yushan Mountains, the top of the mountain is covered with snow all year round. The reasons for this contrast are: D

A. Yushan is located north of the Tropic of Cancer

B. The temperature changes with the The terrain decreases as the terrain rises (Yushan is 3997 meters above sea level)

C. Yushan is surrounded by mountains, which prevents warm air from entering

D. Yushan is more susceptible to damage due to its higher terrain Effects of the cold wave

9. When you are driving up a mountain, you may sometimes feel your eardrums swollen and buzzing, but after you go down the mountain, the symptoms will disappear naturally. The reasons for this phenomenon are: D

A. The car is traveling too fast and the wind is blowing in my ears.

B. Passengers with eardrum symptoms must go to the hospital quickly.

C. The reason why the passengers are thin.

D. As you go up the mountain, the air pressure will gradually decrease, causing an imbalance in the air pressure between the outside and inside of the eardrum, resulting in discomfort and buzzing.

10. In March 2004, the US "Opportunity" Mars rover found evidence that Mars may have had an environment suitable for life. The basis is: C

A. Showing the origin of life and Evolved fossils

B. A large number of craters struck by meteoroids

C. Signs of being infiltrated by water

D. An atmosphere suitable for life to breathe

11. Ecotourism is a tourism activity that has the dual responsibility of protecting the natural environment and maintaining the lives of local people. It aims to protect the natural environment and biological diversity and maintain the sustainable development of resource utilization. The following are not Those that meet the requirements of eco-tourism are: D

A. Pursuing the display and protection of environmental resources and cultural integrity

B. Selectively meeting tourist requirements and planning spatial layout

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C. Developers, tourists, local communities and residents share benefits

D. Based on enjoyment, tourism comes first and responds to requests

12. In order to produce "green "Food", which of the following measures is correct: 2

A. Use low-toxic pesticides to prevent and control pests and diseases B. Introduce superior varieties that are resistant to pests and diseases

C. Add additives to flour and other foods White preservative D. Use natural enemies of crop diseases and insect pests to prevent diseases and pests

(1) A, C (2) B, D (3) B, C (4) C, D

13. Meteorological elements include air pressure, temperature, humidity, wind, precipitation, evaporation, radiation, sunshine, etc. When listening to weather forecasts, we usually pay most attention to the two elements that have a direct impact on our daily lives. They are: C

A. Sunshine and rain B. Wind and precipitation C. Temperature and precipitation D. Rain and snow

14. In the hot summer, Xiao Ming’s family went to the beach for vacation. He found that the temperature of sea water was lower than that of sand at noon; at night, the temperature of sea water was higher than that of sand. The reasons that can correctly explain the above phenomenon are: A

A. The specific heat of seawater is higher than that of sand, and it absorbs heat slowly and releases heat slowly. B. The specific heat of seawater is higher than that of sand, and it absorbs heat quickly and releases heat quickly. Fast

C. The specific heat of sand is higher than that of sea water, and it absorbs heat slowly and releases heat slowly. D. The specific heat of sand is higher than sea water, and it absorbs heat quickly and releases heat quickly

15 .Landscape is a combination of natural factors and social factors on the earth's surface. The following landscapes match their corresponding regions. The correct one is C

A. Water town - North China Plain B. Tea garden - Shandong hills

< p> C. Forest sea and snowfield - Daxinganling D. Beach coconut forest - Xishuangbanna

16. In order to protect the natural environment and natural resources, especially precious and rare animal and plant resources, people have set aside certain areas for protection and Management, this is a nature reserve. Among the following descriptions of nature reserves, the incorrect one is D

A. In a sense, nature reserves are natural reservoirs of species resources and ecosystems

B .Nature reserves are natural laboratories set up in nature

C. Nature reserves are natural museums and natural forums that carry out environmental protection propaganda and education to the masses

D.Natural protection The district can provide tourists with natural attractions to enjoy and have fun

17. Disposable consumer goods are convenient and fast, but they also act as an "accelerator" that turns resources into garbage, causing pollution to the environment. The attitude we should adopt towards this type of consumer goods is: B

A. It is more convenient and we encourage their use B. If I don’t use it myself, I also persuade others not to use it

C. As long as I don’t use it , I don’t care if others use it or not D. It doesn’t matter

18. Weather refers to the atmospheric conditions in a short period of time. The following description of the weather is incorrect: C

A. It is sunny and windy today B. Affected by the cold air from the south, there will be a cooling phenomenon in the next few days

C .July is the hottest month of the year D. The maximum temperature during the day tomorrow will be 12℃, accompanied by sand and dust

19. Fishermen use "GIS" technology to find fish schools quickly and accurately, which will increase the number of fish of catch. If this technology is used excessively, it may happen: B

A. Fishing volume continues to grow

B. Leading to overfishing in certain sea areas and gradual depletion of fishery resources

< p> C. Increase the production cost of fishery

D. It will only promote fishery production, increase the development and utilization of fishery resources, and improve the living standards of fishermen

20. Correct understanding of resources The composition helps people better arrange their production and life. The picture below is an illustration of the relationship between natural resources, water resources, and energy. Among them, the one that can correctly express the relationship between the three is D

21. Religion is a social and historical phenomenon, and there are many different religions from ancient times to the present.

Judaism, Christianity, and Islam all originated from: A

A The Middle East B Southern Europe C India D Western Europe

22. Hanzhong City and Xi'an City are both located in Shaanxi Province, but Hanzhong City Xi'an is located to the south of the Qinling Mountains, and Xi'an is located to the north of the Qinling Mountains, which makes the natural landscapes of the two very different. Read the picture to determine which of the following descriptions of the differences between the two is incorrect: C

A. The average temperature in January in Hanzhong City is above 0 degrees Celsius, while in Xi'an it is below 0 degrees Celsius

B. Hanzhong is dominated by paddy crops, while Xi'an is dominated by dryland crops

C. The vegetation in Hanzhong is mainly broad-leaved forest, while in Xi'an is mainly shrubs

D. The annual precipitation in Hanzhong is more than 800 mm, while in Xi'an is less than 800 mm

23. Hand-held When climbing Mount Everest with a torch, the factors most likely to cause the torch to go out are: D

A. Temperature that gradually decreases with height B. Snow that gradually increases with height< /p>

C. The air pressure gradually decreases with altitude D. The air gradually becomes thinner with altitude

24. In order to protect the life activities and work abilities of astronauts, various space suits have been developed. There are many plastic tubes in the underwear of the space suit. The tubes contain a liquid that can dissipate the body's heat and keep the body at a suitable body temperature. If a major function of the spacesuit fails, the display and control device installed in the spacesuit will sound an alarm and provide instructions on how to troubleshoot the problem. Which of the following functions of space suits is incorrect:

Structure diagram of the space suit inside the Shenzhou-6 cabin developed by my country B

A. The space suit has the function of regulating temperature B. Aerospace The suit has the function of pressurizing the human body

C. The spacesuit has the function of self-testing and displaying troubleshooting D. The spacesuit can be used to gain weight to reduce the feeling of weightlessness

25 .Saving water and protecting water resources is the obligation of every citizen. Which of the following practices is incorrect: C

A. Treat industrial water before discharging it B. Encourage residents to use water-saving faucets and water-saving toilets

C. Discharge domestic water to Sea D. Use sprinkler irrigation and drip irrigation to water gardens or agricultural purposes

26. Due to rising sea levels, the Pacific island country of Tuvalu will face a "disaster". The government of this country has officially announced that the entire country will immigrate to New Zealand. . The environmental problem affecting immigrants in this country is B:

A. Frequent earthquakes B. Global warming C. Marine pollution D. Severe acid rain

27. In the stratosphere of the atmosphere There is an ozone layer with a high ozone content, which can absorb and filter out harmful ultraviolet rays in the sun, effectively protecting the survival of life on earth. Due to the depletion of the ozone layer, B:

A. Increased crop yields due to increased solar radiation B. Increased incidence of skin cancer and cataracts

C. Beneficial to the health of sun-loving animals and plants D. There are more types of creatures in the ocean

28. Although there is a lot of water on the earth, most of it cannot be used directly by humans. What we usually call water resources is water resources in a narrow sense, which refers to water resources that can be directly used for human production and life. Among the following options, the ones that can be directly used by human beings are C

A. Seawater in the East China Sea B. The water of Qinghai Lake C. Antarctic glaciers D. Groundwater in cities

29. Traditional settlements are important historical and cultural heritage left to us by earlier humans. In order to protect them, UNESCO adopted the Convention for the Protection of the World Cultural and Natural Heritage in 1972. The following items that are not included in the World Cultural Heritage List are D

A. The ancient city of Toledo in Spain B. Lijiang in Yunnan, China C. Venice in Italy D. New Delhi in India

30. Which of the following measures to solve the water shortage problem is wrong D

A. Build reservoirs B. Utilize and desalinate seawater C. Wastewater treatment and reuse D. Develop as much groundwater as possible

31. When an earthquake strikes, we must seize every opportunity to escape.

The correct one of the following shock-absorbing measures is A

① If an earthquake occurs during class, you should hold your head, close your eyes, curl up your body, and quickly hide under the desk

② While driving To avoid shocks in a car, hold on to the handrails and wait for the earthquake to pass before getting out of the car

③When trying to avoid shocks outdoors, you should squat or lie down in an open area

④ To avoid shocks in theaters, gymnasiums, etc., you should squat down or lie under a bench and cover your head with something you carry with you

A ①②③ B ①②④ C ①③④ D ①②③④

32. The South-to-North Water Diversion Project (Middle Line) is a project of great strategic significance implemented to alleviate the severe water shortage problem in northern China. Its starting point is: B

A. Three Gorges of the Yangtze River B. Danjiangkou Reservoir C. Gezhouba Water Conservancy Project D. Sanmenxia Reservoir

33. In 1910, a person discovered that the contours of the continents on both sides of the Atlantic coincided with each other, and conducted an on-site investigation. Later, it proved from aspects such as paleontological fossils and stratigraphic structure that the two continents of Africa and South America had been connected before, and proposed the "continental drift theory". This person is C

A. Copernicus B. Columbus C. Wegener D. Magellan

34. There is a fast-growing forest in a certain area. The growth cycle of the trees in this area is 15 years. In order to meet the local demand for timber without damaging the development of forestry, do you think the reasonable approach is B

A. Cut down trees according to local demand for timber

B. Divide the forest land There are 15 areas, and one area is cut down every year

C. According to market demand, cut down one tree when needed and replant one tree

D. Cut down mature forest trees appropriately, and Then plant new saplings

35. Cashmere is a very expensive item in the market. Goat skin, goat meat, and goat milk are all popular commodities on the market. As a result, many regions in our country have begun to vigorously develop goats. Some farmers may have solved the problem of food and clothing by raising a few goats. However, a few years later, people discovered that goats had a habit of always gnawing out the grass roots when eating grass, thus turning the grasslands that the goats had "visited" into barren land. Combine the knowledge you have learned to judge the following statements. The correct one is D

A. Develop goat breeding in the western region of my country to help farmers get rid of poverty and become rich as soon as possible

B. In the southern region of my country Develop the goat breeding industry to help farmers get rid of poverty and become rich as soon as possible

C. Resist high consumption and try not to buy cashmere products

D. Local governments strictly restrict the development of the goat industry to prevent ecological damage

36. Some people believe that a harmonious society has three basic levels. The first level is harmony between people, the second level is harmony between people and society, and the third level is D.

A. Harmony between developing and developed countries B. Harmony between cities and rural areas

C. Harmony between rich and poor D. Man and nature Harmony between

37. Green consumption is a new consumption behavior and process characterized by moderate consumption, avoiding or reducing environmental damage, advocating nature and protecting ecology. The concept that has more green consumption views than traditional consumption views is C:

A. Care about personal health and safety B. Care about economic interests

C. Care about the impact on the environment D. Care about society Fair

38. What you should refuse to consume in a restaurant is: D

A. Meat-free B. Chicken C. Mutton D. Frog meat

39 .The typhoon brought abundant rain to a vast area and also brought various damages. It is characterized by strong suddenness and destructive power, and is one of the most serious natural disasters in the world. When encountering a typhoon, the following actions are incorrect: C:

A. When passing through a narrow bridge or a high place, crouch down and crawl forward

B. Traveling in low-lying areas near the seaside and estuaries If possible, you should try your best to take shelter in sturdy hotels and typhoon shelters as far away from the coast as possible

C. If you are taking shelter in the wild, evacuate from the shelter immediately after a strong typhoon

D. If you are taking shelter during a typhoon If you have to go out, you should huddle up as much as possible and wear brightly colored, tight-fitting clothes

40. The picture below is the "wind direction frequency circle of a certain city". The city plans to build a new coal-fired power plant For power plants, the most suitable site should be located in the city A

A. Northeast B. Southwest

C. Southeast D. Northwest

Part 2 Scientific Paper Writing

Why did the river in my hometown turn black?

Key points of the paper: Take a river in my hometown as an example

(1) What harm will the river in my hometown bring to life after it turns black

(2) Speculation What are the reasons why the river in my hometown turns black? By what means can it be proved.

(3) Try to come up with some solutions that you can do to make the river in your hometown clear again

Please write a short paper on the topic of "Protecting the River in Your Hometown". Requirements: Clear views, accurate intentions, and reasonable words. The word count is between 400-600.