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Тест по геометрии. Тема: решение треугольников. Класс: 9-й. Тип вопросов: единственный выбор. Количество вопросов: 4. Ответы указаны в конце.
В треугольнике ABC стороны a=5, b=7, угол C между ними равен 60°. Найдите сторону c. A) c = sqrt(39) ≈ 6.24 B) c = 11 C) c = sqrt(29) ≈ 5.39 D) c = 7
В треугольнике A=40°, B=70°, сторона a против угла A равна 6. Найдите стороны b и c. A) b ≈ 8.77, c ≈ 8.77 B) b ≈ 6, c ≈ 10 C) b ≈ 4, c ≈ 9 D) b ≈ 9, c ≈ 9
Прямоугольный треугольник: катет a = 3, катет b = 4. Найдите гипотенузу c. A) c = 5 B) c = sqrt(10) ≈ 3.16 C) c = sqrt(20) ≈ 4.47 D) c = 6
Треугольник имеет стороны a = 6, b = 8 и включённый угол C = 60°. Найдите площадь треугольника. A) S ≈ 20.78 B) S = 24 C) S ≈ 18.72 D) S = 27.00
Ответы:
Тест по географии: Живая и неживая природа (2 класс)
Какие из этих объектов относятся к живой природе?
A) Камень
B) Растение
C) Вода в реке
D) Гора
Что из перечисленного относится к неживой природе?
A) Птица
B) Цветок
C) Ледник
D) Рыба
Какие из этих предметов не растут и не двигаются?
A) Дерево
B) Камень
C) Листья
D) Рыба
В каком из перечисленных мест можно найти воду?
A) В горах
B) В реке
C) В лесу
D) Во дворе
Что из перечисленного является источником света?
A) Луна
B) Солнце
C) Звёзды
D) Все вышеперечисленное
Какие из вещей растут на деревьях?
A) Крылья
B) Листья
C) Камни
D) Рыбы
Что из перечисленного относится к неживой природе?
A) Жук
B) Гора
C) Медведь
D) Мышь
Какие из этих объектов можно увидеть на земле?
A) Вода
B) Облака
C) Звёзды
D) Камень
Что важно для растений, чтобы расти?
A) Солнце и вода
B) Камни и горы
C) Машины и дороги
D) Лёд и снег
Какие из следующих животных могут жить в воде?
A) Крыса
B) Рыба
C) Птица
D) Мышь
Желаю удачи в подготовке!
Тест по английскому языку на тему "Природа и проблемы экологии" для 9 класса
What is the main cause of global warming?
a) Deforestation
b) Planting more trees
c) Recycling
d) Clean energy sources
Which gas contributes the most to the greenhouse effect?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
What does recycling help to reduce?
a) Air pollution
b) Water consumption
c) Waste in landfills
d) Solar energy
Which of the following is a renewable energy source?
a) Coal
b) Natural gas
c) Solar power
d) Oil
What is biodiversity?
a) The variety of life in the world
b) The amount of pollution in an area
c) The number of species that are extinct
d) The variety of human cultures
What is the main effect of deforestation?
a) Increased oxygen levels
b) Loss of habitats for wildlife
c) Improved air quality
d) Regrowth of trees
Which of the following is NOT a consequence of climate change?
a) Rising sea levels
b) More extreme weather
c) Decreased food production
d) Increased biodiversity
What is the purpose of wildlife conservation?
a) To promote hunting
b) To protect endangered species
c) To create more urban areas
d) To exploit natural resources
How can we reduce plastic pollution?
a) Use more plastic products
b) Recycle and refuse single-use plastics
c) Throw plastic into the ocean
d) Burn plastic waste
What is an ecological footprint?
a) The size of your house
b) The amount of natural resources you use
c) The amount of food you eat
d) The way you travel
What type of energy is derived from the sun?
a) Geothermal
b) Solar
c) Nuclear
d) Wind
Why is air pollution a significant problem?
a) It makes the air smell good
b) It causes health issues and environmental damage
c) It helps plants grow
d) It increases the number of birds
Which of the following can help combat climate change?
a) Driving more cars
b) Using public transportation
c) Burning more fossil fuels
d) Ignoring environmental issues
What is the main reason for water pollution?
a) Natural disasters
b) Industrial waste and chemicals
c) Rainfall
d) Wildlife
What is an appropriate action to preserve natural resources?
a) Waste more materials
b) Practice sustainable living
c) Ignore the issue
d) Increase consumption
Which animal is often used as an indicator of environmental health?
a) Lion
b) Bee
c) Elephant
d) Cat
What is the significance of wetlands?
a) They are good for construction
b) They help filter pollutants and support wildlife
c) They are useless
d) They increase temperature
What does the term "sustainable development" mean?
a) Rapid industrial growth
b) Development that meets present needs without compromising future generations
c) The same as total deforestation
d) Development without any planning
What can you do to help your local environment?
a) Litter in parks
b) Volunteer for local clean-up efforts
c) Ignore environmental issues
d) Use more plastic bags
What is the role of trees in the ecosystem?
a) They produce carbon dioxide
b) They provide oxygen and habitat for wildlife
c) They take up space
d) They are only for decoration
Why is overfishing a problem?
a) It is good for fish populations
b) It disrupts marine ecosystems and threatens species
c) It increases fish stocks
d) It is beneficial to the economy
Which of the following is a non-renewable resource?
a) Wind
b) Solar
c) Natural gas
d) Hydroelectric
What is the effect of climate change on polar bears?
a) More ice
b) Loss of habitat due to melting ice
c) Increase in population
d) Improvement of food sources
What does composting help to achieve?
a) Increases waste
b) Reduces landfill waste and enriches soil
c) Destroys plant life
d) Increases plastic use
What is an invasive species?
a) A native species
b) A non-native species that disrupts the ecosystem
c) A beneficial species
d) A species that is endangered
How does climate change affect agriculture?
a) Increases crop yields
b) Positively affects all farmers
c) Causes crop failures and pest outbreaks
d) Reduces food prices
What type of pollution is caused by noise?
a) Air pollution
b) Water pollution
c) Noise pollution
d) Land pollution
Which is the best way to save energy at home?
a) Leaving lights on
b) Using energy-efficient appliances
c) Ignoring energy consumption
d) Increasing the use of heaters
What is the biggest threat to endangered species?
a) Hunting
b) Habitat loss
c) Natural disasters
d) Protection laws
What do we call a person who studies the environment?
a) Scientist
b) Environmentalist
c) Biologist
d) Ecologist
What is the impact of oil spills on marine life?
a) Improving habitats
b) Causing severe harm and death
c) Making the water cleaner
d) None of the above
What can result from the melting of polar ice caps?
a) Rising sea levels
b) More habitats for animals
c) Increased biodiversity
d) Cooler global temperatures
What is the best way to manage waste?
a) Throw everything in the trash
b) Recycle and reduce waste
c) Burn waste in the open
d) Pour waste in rivers
How can urban areas become more eco-friendly?
a) Increase vehicle use
b) Promote green spaces and public transport
c) Build more roads
d) Ignore recycling efforts
What happens to the atmosphere when too many greenhouse gases are released?
a) It cools down
b) It warms up
c) It becomes cleaner
d) It becomes denser
What is one effect of soil erosion?
a) Increased fertility
b) Decreased agricultural productivity
c) Better crop growth
d) Improvements in water quality
What term describes areas that are protected to conserve wildlife?
a) Urban sprawl
b) National parks
c) Industrial zones
d) Commercial areas
What traditional practice can help protect water sources?
a) Excessive use of pesticides
b) Crop rotation
c) Clear-cutting forests
d) Ignoring water management
How does climate change affect the frequency of natural disasters?
a) It decreases the frequency
b) It has no effect
c) It increases the frequency
d) It reduces severity
What does "carbon footprint" refer to?
a) The amount of carbon in the soil
b) The total greenhouse gases produced by an individual or organization
c) A new type of tree
d) All carbon resources available
Which method is beneficial for conserving water?
a) Taking longer showers
b) Fixing leaks and using efficient fixtures
c) Leaving the tap running
d) Using more water for gardening
What is the ideal way to reduce your carbon footprint?
a) Relying on fossil fuels
b) Using public transportation or biking
c) Increasing meat consumption
d) Ignoring environmental choices
What is a common source of soil pollution?
a) Organic farming
b) Chemical fertilizers and pesticides
c) Composting
d) Natural methods of pest control
What role do oceans play in the climate system?
a) They have no role
b) They store heat and influence weather patterns
c) They only affect marine life
d) They are irrelevant to climate change
How can individuals contribute to energy conservation?
a) Turn off lights when not in use
b) Use old appliances
c) Ignore energy bills
d) Increase heating and cooling use
What is the effect of habitat destruction on animals?
a) It creates new homes
b) It can lead to extinction
c) It has no effect
d) It helps increase population
What does the term "greenhouse gases" refer to?
a) Gases that cool the atmosphere
b) Gases that trap heat in the atmosphere
c) Gases produced by plants
d) All gases in the air
What is the main goal of environmental education?
a) To increase pollution
b) To promote awareness and actions for a sustainable future
c) To discourage conservation
d) To ignore environmental issues
How can urbanization impact local wildlife?
a) It creates more habitats
b) It leads to habitat loss and fragmentation
c) It has no effect
d) It increases biodiversity
What is the relationship between population growth and environmental issues?
a) More people means less environmental impact
b) Population growth can lead to increased resource consumption and pollution
c) There is no relationship
d) Fewer people help the environment
Удачи в прохождении теста!
Вот пример теста по теме "Глобализация" для 11 класса на основе открытых вопросов.
Опишите понятие "глобализация". Какие ключевые характеристики вы могли бы выделить?
Каково влияние глобализации на экономическое развитие стран? Приведите примеры.
Какие социальные последствия имеет глобализация? Обсудите как положительные, так и отрицательные аспекты.
Какова роль международных организаций в процессе глобализации? Приведите примеры.
Обсудите влияние глобализации на культуру. Как изменились культурные практики в разных странах?
Как глобализация меняет восприятие национальной идентичности?
Проанализируйте положительные и отрицательные эффекты глобализации на окружающую среду.
Какие последствия глобализация имела для стран с развивающейся экономикой? Приведите примеры.
Как пандемия COVID-19 повлияла на процессы глобализации?
Предположите, как может выглядеть глобализация в будущем. Какие новые тренды могут возникнуть?
Этот тест позволяет учащимся глубже осмыслить тему глобализации, анализировать ее последствия и делать выводы, основанные на своём понимании.