Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-44

Three-dimensional (3D) printing is a revolutionary technology that allows us to create solid objects from digital files. Unlike traditional manufacturing methods that cut away material from a large block, 3D printing builds an object from the ground up. (21) __________ of carving something out, it adds material layer by layer. This process, also known as additive manufacturing, turns a digital idea into a physical item you can hold in your hand.

The journey begins with a digital design. First, a designer creates a 3D model on a computer using special software called CAD (Computer-Aided Design). This model is a detailed digital blueprint which contains all the geometric information about the object's shape and size. For those who are not designers, many websites offer pre-made digital models that can be downloaded and used.

Next, the completed digital model must be prepared for the printer. This is done using another piece of software called a 'slicer'. The core principle of the slicer is to cut the 3D model into hundreds or thousands of thin, horizontal layers. The slicer then generates a set of instructions, called G-code, that tells the printer exactly how to move and where to place the material for each layer.

Then, the exciting part begins: the actual printing. The process (22) __________ of a printer head moving back and forth, or up and down, releasing a thin stream of material, such as plastic, resin, or even metal. The printer follows the G-code instructions precisely. (23) __________ layer is printed directly onto the previous one, and they fuse together. The printer head carefully deposits the material, and slowly, the object starts to take shape in the physical world.

Finally, once the printing process is completed, the object is almost ready. It needs to be carefully removed from the printer platform. Sometimes, it is necessary to (24) __________ a few small adjustments, like removing temporary support structures that were printed to hold up overhanging parts. After these finishing touches, the custom-made object is complete and ready to be used or admired.

Around the globe, there’s a universal truth: ask anyone where the best food comes from, and chances are, they'll passionately declare it's their own hometown or region. This isn't just about personal taste; it's a deep-seated pride connected to local cuisine, often rooted in the belief that their version of a dish is the most authentic, the most delicious, or simply the one that tastes like "home." From a humble street snack to an elaborate festive meal, food acts as a powerful ambassador for local identity, weaving stories of tradition, land, and community into every bite.

In Vietnam, this culinary pride takes on an especially vibrant and friendly rivalry. Walk through any city, and you’ll hear passionate debates about the "correct" way to prepare iconic dishes. [I] Take phở, for instance – the beloved noodle soup that embodies Vietnamese cuisine. Is it the clean, clear broth and tender beef of Hanoi-style phở, or the richer, sweeter, and more herb-laden Saigon variation that reigns supreme? [II]

So, what truly makes your hometown's food the best in Vietnam? [III] It’s rarely just about the ingredients themselves, though fresh, local produce certainly plays a vital role. It’s the secret family recipes, honed over decades, perhaps even centuries, that lend a unique complexity. It’s the specific techniques, the subtle spice blends, the way a dish connects to local customs, festivals, or even the climate. Every spoonful carries the legacy of your ancestors, the ingenuity of your community, and the distinct spirit of your region, making it genuinely irreplaceable. [IV]

For a 14-15-year-old, this connection to hometown food is more than just a tasty meal; it’s a tangible link to your family’s roots and a window into your unique cultural heritage. When your grandmother talks about the special way she prepares bún chả from her village, or when you share a regional delicacy with friends, you're not just eating; you're participating in a living history. It's a fun, delicious way to explore where you come from, understand the stories embedded in your family's traditions, and appreciate the rich tapestry of Vietnamese identities.

Ultimately, the belief that your hometown's food is the "best" isn't about objectively proving culinary superiority. It’s about celebrating local identity, cherishing shared memories, and preserving the rich diversity that makes Vietnam's food culture so extraordinary. This pride encourages us to explore, appreciate, and carry forward the unique flavors that define our origins, ensuring that the culinary legacy of every Vietnamese hometown continues to thrive, telling its own delicious story for generations to come.