Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-35

Maintaining good oral hygiene is a vital part of personal care. For decades, the manual toothbrush has been a reliable tool, but technology has introduced a powerful alternative: the electric toothbrush. While both are designed to fight plaque and prevent cavities, they operate differently. The main (35) __________ between them is the power source, which affects the brushing experience and results.

An electric toothbrush works using a small internal motor. This motor powers a gear system (36) __________ causes the brush head, with its soft bristles, to move automatically. The bristles can vibrate or rotate thousands of times per minute, a speed and consistency that cannot (37) __________ by hand. This rapid motion is designed to dislodge food particles and plaque from the surfaces of the teeth and along the gumline efficiently.

Because of this automated action, many dental professionals consider electric toothbrushes to be more effective. Studies have shown that they can (38) __________ significantly more plaque than manual ones, leading to improved gum health. The cleaning process is not only more thorough but often faster, as the brush does most of the work for you. This makes them a (39) __________ option for people who struggle with manual brushing techniques.

(40) __________, many modern electric toothbrushes come with helpful features. A common one is a built-in two-minute timer, which signals when you have brushed for the recommended duration. Some also have pressure sensors that alert you if you are pressing too hard, which can damage gums. These features help guide users toward better brushing habits, ensuring that (41) __________ part of the mouth receives adequate attention.

Ultimately, the choice between an electric or a manual toothbrush depends (42) __________ personal preference, budget, and dental needs. An electric toothbrush can offer a superior clean, but a manual toothbrush, when used correctly and consistently, is also an excellent tool. The most important factor is regular brushing as part of a complete oral care routine.

In recent years, the Vietnamese music scene has been dominated by a spectacular phenomenon: the V-Pop music video (MV). When top artists like Sơn Tùng M-TP or Hoàng Thùy Linh release a new MV, it’s not just a song release; it’s a major cultural event. These videos often gain tens of millions of views within a few days, sparking widespread discussion online. This is because they are far more than simple promotional clips. They are cinematic short films, blending music with compelling narratives, stunning visuals, and deep cultural references, representing a powerful fusion of art and commerce.

Artistically, modern V-Pop MVs are incredibly ambitious. Directors and artists collaborate to create complex storylines, often inspired by Vietnamese history, classic literature, or mythology. Instead of just performing the song, artists become actors in a mini-movie. This approach requires significant investment in production, with elaborate costumes, detailed set designs, and professional cinematography. The goal is to create an immersive experience that resonates with the audience on a deeper level, tapping into a shared sense of cultural identity and national pride. This storytelling element transforms a three-minute song into a memorable piece of art.

From a commercial perspective, this high-budget strategy is a calculated risk that often pays off. The cinematic quality of these MVs generates immense buzz on social media platforms like YouTube, Facebook, and TikTok. This online excitement is the primary marketing engine. Artists often partner with major brands for funding. They integrate products like smartphones or soft drinks into the video’s storyline, a practice known as product placement. This sponsorship makes the large production budgets possible. The massive number of views not only generates direct revenue from the platform but also solidifies the artist's brand, leading to more lucrative endorsement deals and concert bookings.

The role of the audience, particularly teenagers, is crucial in this ecosystem. Fans are not passive consumers; they are active participants. They analyze the video's plot, debate the meaning of symbolic details, and create their own content, such as reaction videos and fan theories. This intense engagement builds a strong community around the artist and the MV. The endless online discussions ensure the video stays relevant long after its release date, effectively creating a form of free, continuous marketing that amplifies its success.

In conclusion, the modern V-Pop music video is a sophisticated product of its time. It cleverly combines artistic expression with sharp commercial strategies to capture the public's imagination. By weaving together music, storytelling, and cultural heritage, these MVs have become more than just accompaniments to songs. They are cultural statements and powerful marketing tools that have fundamentally changed the landscape of the Vietnamese music industry.