Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-94

The aluminum can is one of the most common everyday objects, yet its creation is a marvel of high-speed engineering. Every day, (21) __________ of these lightweight and recyclable containers are produced worldwide. The entire journey from a flat piece of metal to a finished can that is ready to be filled happens in a fraction of a second, showcasing a highly efficient and precise manufacturing system.

The process begins with a huge roll of thin aluminum (22) __________, which can be several kilometers long. In the first stage, a powerful machine called a cupping press punches out thousands of flat, circular discs from this material. These discs, which are then ready for the next stage, are the basic foundation of every can that will be formed.

Next, the discs undergo a process called 'drawing and ironing'. The flat discs are pushed through a series of rings by a punch, which draws them up to form a shallow cup. Immediately after, this cup is forced through smaller rings that stretch the metal, making the can taller and its walls thinner. This makes the can walls extremely thin but also surprisingly strong.

After being formed, the cans must be finished. They are washed to remove any oils from the manufacturing stage. Then, they are decorated. The colorful labels and brand logos (23) __________ directly onto the can’s surface using a high-speed printing method that applies multiple colors at once. Furthermore, a protective varnish is applied to the outside to prevent scratches and an internal coating is sprayed to protect the beverage from the metal.

In the final steps, the top of the can is shaped to form the neck, and the can is tested for leaks. This incredible (24) __________ of manufacturing ensures that millions of cans can be made quickly and consistently, ready to be filled with our favorite drinks. The precision at every step is essential for producing a container that is both durable and convenient.

In the digital world, creating an online identity often involves more than just sharing your real name. From competitive gaming to online forums, it's common practice to adopt a pseudonym or unique username, often paired with a vibrant custom avatar. This choice to present a persona different from one's real-world self is almost second nature for many. It raises an interesting question: is this playful exploration and privacy, or a way to hide from accountability? [I]

For many, the appeal lies in sheer fun and creative freedom. An avatar allows visual representation of your personality, an alter ego, or even a fantastical creature, unconstrained by real-world appearances. Similarly, a fake name, or 'gamertag,' provides detachment, enabling users to experiment with different personas and interact more freely. This also protects personal privacy, preventing real-world identities from being easily linked to online activities – crucial for young people. [II]

However, this anonymity, while offering freedom, can also have a downside. The shield of an avatar and a pseudonym can sometimes reduce a user's sense of accountability. When actions aren't directly linked to a real identity, there's a risk of engaging in behavior one wouldn't in person. This can range from harmless trolling to serious issues like cyberbullying or spreading misinformation. The line between creative expression and hiding true intentions or evading consequences can become blurred, posing challenges for online communities.

This phenomenon is particularly prominent within Vietnam's vibrant and extensive gaming community. [III] This isn't just an occasional choice; it's an expected part of joining the digital landscape, a default mode of engagement. It underscores how deeply integrated this practice is into the online social fabric for countless Vietnamese teenagers. [IV]

Ultimately, using an avatar and a fake name is a nuanced practice embodying both the liberative and challenging aspects of online interaction. While it offers unparalleled opportunities for self-expression, privacy, and community building, it also demands a heightened sense of personal responsibility. Understanding the distinction between having fun and potentially hiding requires critical thinking. Navigating these digital identities thoughtfully ensures the online world remains a space for creativity and positive engagement for everyone.