ЕНТ • Английский языкReading comprehension — Solar energy
Задача ЕНТ — Reading comprehension — Solar energy
Разбор и объяснение. Решай похожие задачи на полном пробном тесте.
Контекст
SOLAR ENERGY
The sun is the most powerful source of energy known to humankind. Every hour, it sends to Earth more energy than the entire human population uses in a whole year. Yet, for most of history, this enormous resource has remained largely untapped. Today, however, solar energy is one of the fastest-growing technologies in the world.
Solar power works through devices called photovoltaic panels, often known as solar panels. These panels are made of silicon cells that capture sunlight and convert it directly into electricity. The first practical solar cell was developed in 1954 at Bell Laboratories in the United States. Although the technology was very expensive at the time, prices have fallen by more than 90% since 2010, making solar power affordable for ordinary homes.
Many countries are now investing heavily in solar energy. China, the United States, India and Germany are among the largest producers. In some sunny regions, large «solar farms» cover thousands of hectares with panels, generating electricity for entire cities. Even small villages in remote areas now use solar panels to power schools, hospitals and homes.
The advantages of solar power are clear. It produces no air pollution, no greenhouse gases and no noise. The «fuel» — sunlight — is free and unlimited. As long as the sun continues to shine, solar energy will be available.
However, there are challenges. Solar panels do not work at night and produce less electricity on cloudy days. To solve this, scientists are developing better batteries that can store energy collected during the day. Recycling old panels is another important issue. Despite these challenges, the future of solar energy looks bright — and most experts believe it will play a key role in the fight against climate change.
The sun is the most powerful source of energy known to humankind. Every hour, it sends to Earth more energy than the entire human population uses in a whole year. Yet, for most of history, this enormous resource has remained largely untapped. Today, however, solar energy is one of the fastest-growing technologies in the world.
Solar power works through devices called photovoltaic panels, often known as solar panels. These panels are made of silicon cells that capture sunlight and convert it directly into electricity. The first practical solar cell was developed in 1954 at Bell Laboratories in the United States. Although the technology was very expensive at the time, prices have fallen by more than 90% since 2010, making solar power affordable for ordinary homes.
Many countries are now investing heavily in solar energy. China, the United States, India and Germany are among the largest producers. In some sunny regions, large «solar farms» cover thousands of hectares with panels, generating electricity for entire cities. Even small villages in remote areas now use solar panels to power schools, hospitals and homes.
The advantages of solar power are clear. It produces no air pollution, no greenhouse gases and no noise. The «fuel» — sunlight — is free and unlimited. As long as the sun continues to shine, solar energy will be available.
However, there are challenges. Solar panels do not work at night and produce less electricity on cloudy days. To solve this, scientists are developing better batteries that can store energy collected during the day. Recycling old panels is another important issue. Despite these challenges, the future of solar energy looks bright — and most experts believe it will play a key role in the fight against climate change.
What is a major challenge for solar energy?
Варианты ответа
- Sunlight is too expensive to use.
- It panels do not work at night and need batteries.
- It is too noisy for residential areas.
- It causes air pollution.
Хочешь решить полный пробный тест?
Bilimqor — бесплатно, в формате реального ЕНТ. 120 вопросов, 5 предметов, 4 часа.
Начать пробный тест →