Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-107

What makes a train "high-speed"? Generally, these are railway systems that (21) __________ at speeds significantly faster than conventional trains. While a regular passenger train might travel at 120 km/h, the most modern high-speed trains can achieve average speeds of over 250 km/h. They represent (22) __________ major leap in land transportation, connecting cities hundreds of kilometers apart in just a few hours.

This incredible speed is not possible on standard railway lines. High-speed trains require specially built tracks, which are constructed from stronger materials and have gentler curves. This design minimizes friction and ensures stability at high velocities. (23) __________, significant investment is needed to build and maintain this dedicated infrastructure, which is a key characteristic that separates high-speed rail from traditional networks.

Beyond the tracks, the technology of the trains themselves is completely different. Their design is highly aerodynamic, meaning their shape is made to reduce air resistance, much like an airplane. These trains don't use conventional engines; instead, they (24) __________ powerful electric motors and advanced control systems. This technology, which is managed by complex computers, ensures the journey is not only faster but also much smoother than on an older train.

The advanced engineering allows the train to travel with remarkable efficiency and safety. The passenger experience is also a priority, with cabins designed to be quiet and comfortable despite the immense speeds. Everything about these systems is cutting edge, from the braking systems to the signaling technology. A transportation company recently announced that it would launch an even faster model next year, pushing the boundaries of what is possible.

The difference in technology is stark. If conventional trains ran on these special tracks, they still would not achieve the same performance due to their design limitations. The combination of unique tracks, aerodynamic bodies, and powerful electric propulsion is what truly defines a high-speed train, making it one of the most impressive feats of modern engineering.

K-Pop has undeniably taken the world by storm, creating powerful and dedicated fanbases. From BTS’s devoted ARMY to BLACKPINK’s BLINKs, these fan communities are not just passive listeners but highly organized global forces, capable of mobilizing for charitable causes, influencing music charts, or even social activism. This intense level of engagement begs an important question: Is being a K-Pop 'stan' a healthy hobby that fosters connection and joy, or can it cross the line into a harmful obsession? [I]

For many, fandom is a genuinely positive experience. It provides a strong sense of community, a place to connect with like-minded peers who share an intense passion for their favorite groups. This shared interest can lead to lasting friendships, offering vital emotional support and a feeling of belonging. Fans often channel energy into creative outlets like fan art or dance covers, fostering skill development. Moreover, many idols promote messages of self-love and perseverance, inspiring their fans positively and motivating them to pursue their own goals. [II]

However, the line between healthy enthusiasm and obsession can easily blur. The constant demand for new albums, merchandise, and concert tickets often places significant financial strain on young fans. Excessive time devoted to streaming, voting, and keeping up with content might lead to neglecting studies, sleep, or real-life social interactions. Moreover, intense emotional investment can manifest in unhealthy ways, from aggressive online fan wars to overwhelming sadness over an idol’s personal life. The pressure to conform to group dynamics can also be stressful. [III]

In Vietnam, this discussion holds particular relevance, as the country boasts one of the world's most active K-Pop fanbases. It's common to see fan-organized events, from large-scale birthday projects for idols—like city billboards or café takeovers—to charity drives in an idol's name. These activities are frequently reported on by popular youth media outlets like Kenh14, highlighting the significant cultural impact of K-Pop fandoms within the Vietnamese youth landscape. This local context underscores how deeply integrated K-Pop culture is for many teenagers. [IV]

Ultimately, whether being a K-Pop 'stan' is a healthy hobby or a harmful obsession depends largely on individual choices and self-awareness. It's crucial for you, as a young fan, to reflect on your own engagement. Are you maintaining a balance between fandom activities and responsibilities? Are emotional and financial investments proportional to your well-being? While fandom can offer immense joy and connection, it’s vital to ensure it enhances your life rather than detracting from it. Recognizing signs of unhealthy obsession and seeking support if needed is a sign of strength.