Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-124

Solar power is rapidly becoming a leading form of renewable energy. It works by converting sunlight directly into electricity using special panels. There is an important advantage to this technology that is immediately clear: sunlight is an abundant and free resource available all over the world. This makes solar energy a dependable option for many communities.

The primary benefit of solar power is environmental. Unlike burning fossil fuels, solar panels do not produce any harmful greenhouse gases, which are a leading cause of global warming. It also avoids the air and water pollution associated with traditional power plants. This clean profile is essential for protecting our planet for future generations.

Another key advantage is economic. Due to new technology and manufacturing improvements, the cost of solar panels has decreased significantly. This trend means more families and businesses can afford to install them. By generating their own electricity, users can (21) __________ their monthly energy bills, saving a substantial amount of money over time.

If the initial investment were even lower, many more people (22) __________ a solar system on their homes. Despite this cost, the long-term savings are compelling. Recently, a leading energy expert said that solar power (23) __________ a key role in the energy mix of most nations within twenty years, highlighting its growing global importance.

To accelerate this shift, governments are actively encouraging citizens to switch to solar energy through financial incentives. For many, adopting solar is seen as (24) __________ in the fight against climate change—a powerful solution that offers a brighter, cleaner, and more sustainable future.

Many students, especially teenagers, often find themselves faced with a dilemma before a big test: should they burn the midnight oil, cramming last-minute information, or prioritize a good night's sleep? The common belief is that more study hours, regardless of when they happen, equate to better grades. However, this widely practiced strategy might actually be counterproductive. Far from being a luxury, sleep is a fundamental biological necessity that plays a crucial role in how our brains learn, remember, and perform under pressure. Understanding this connection can profoundly impact study habits.

Neuroscience has provided compelling evidence that sleep is not merely a period of inactivity but an incredibly active and vital process for memory consolidation. During deep sleep stages, your brain actively processes and stores information learned throughout the day, transforming new data into stable, long-term knowledge. Without sufficient sleep, this critical "filing" and "storing" process is severely hindered. This means that even if you spend hours absorbing new material, a lack of sleep can prevent that information from being properly cemented in your mind, making recall hard.

This scientific insight directly challenges the popular notion of "pulling an all-nighter" before a major exam. While the immediate urge is to cram, sleep deprivation significantly impairs cognitive functions essential for success. Your ability to focus, solve complex problems, and retrieve information accurately diminishes when you’re tired. An all-nighter leads to reduced performance, poorer concentration, and increased stress. Realizing this empowers you to plan study time, prioritizing rest as a key component. [I]

The importance of sleep for students is not just a theoretical concept; it's a concern recognized at national levels. [II] In Vietnam, for instance, there's been a growing awareness of this issue. The Vietnamese government has issued regulations on school start times in cities like Ho Chi Minh City, partly due to concerns from health experts. [III] Experts highlight students often lack sleep due to intense academic demands. [IV]

Ultimately, the power of sleep as a study tool cannot be overstated. Instead of viewing sleep as lost time, consider it an integral part of learning that enhances memory, boosts alertness, and improves critical thinking. Aiming for a consistent sleep schedule and avoiding late-night cramming yields better results than exhaustive late sessions. A well-rested brain is a powerful brain, capable of optimal performance and efficient learning. Prioritizing sleep is not laziness; it's a strategic move towards smarter studying and greater academic success.