Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-78

Have you ever wondered how the electricity for your lights and computer gets to your home? The journey of electricity is a fascinating process that begins far away. This entire system starts at a special facility called a power plant, where large amounts of electricity (21) __________ using different energy sources like coal, gas, or renewable sources such as wind and solar power.

After the electricity is created, it cannot be sent directly to our homes. First, it goes to a step-up transformer, a device which changes the voltage. To be efficient for long-distance travel, its voltage is increased to an extremely (22) __________ level. This high-voltage electricity is then sent from the power plant into a vast network of cables known as the electrical grid.

The grid is like a highway system for electricity. It allows power to (23) __________ long distances across the country without losing too much energy. This electricity moves through thick transmission lines, which are often supported by tall metal towers you might see in the countryside. The grid connects many power plants and communities together, ensuring a constant supply of energy.

However, this high voltage is too dangerous for homes and businesses. Therefore, before the electricity reaches your neighborhood, it must go through another type of transformer called a step-down transformer. This device does the opposite of the first one; it significantly reduces the voltage to a much safer level for everyday use.

Finally, this lower-voltage electricity is delivered through smaller, local power lines, which can be seen along streets, either overhead or underground. From these lines, the power travels to your home's electrical panel. This complex journey ensures the safe and efficient (24) __________ of power, allowing us to use our electronic devices with just the flip of a switch.

Have you ever considered that a simple meal could be your passport to understanding an entire culture? This concept is at the heart of food tourism, a growing global trend where people travel specifically to experience unique culinary traditions. It’s more than just eating; it’s an immersive journey into a destination’s soul, with the local cuisine acting as a vibrant storyteller. From bustling street markets to intimate family kitchens, food offers a sensory window into the history, values, and daily life of a community, revealing layers of identity that words alone might not convey.

Food, in many ways, is a living artifact of culture. The ingredients tell tales of geography and climate, while cooking methods reflect centuries of ingenuity and adaptation. [I] A dish isn't just a collection of components; it's a narrative woven from historical influences, economic realities, and the collective memory of generations, offering profound insights into societal norms and individual identities.

Vietnam stands out globally as a prime example of a food destination where cuisine acts as a powerful cultural ambassador. [II] Its vibrant street food scene, aromatic broths, and fresh ingredients draw millions of visitors seeking authentic experiences. The iconic 2016 visit by the late chef Anthony Bourdain and President Barack Obama to a modest Bún Chả restaurant in Hanoi perfectly showcased this. [III] This simple meal, shared over plastic stools, transcended its humble origins, demonstrating how everyday Vietnamese dishes can create powerful connections and offer a genuine glimpse into the nation's heart. [IV]

For you, perhaps, Vietnamese food is simply daily nourishment—a bowl of Pho for breakfast or a Banh Mi for lunch. But understanding why tourists travel thousands of miles to savor these very dishes can give you a new sense of pride in your own heritage. Recognizing the global fascination with your local cuisine transforms it from mere sustenance into a cultural treasure. This appreciation also provides a unique way to connect with visitors, as a shared love for food often bridges language barriers and fosters mutual respect and understanding.

Ultimately, food is far more than just fuel; it is a profound cultural language. Through its flavors, aromas, and textures, it communicates stories of resilience, community, and innovation. Engaging with a culture’s cuisine, whether through cooking or simply enjoying a meal, offers an unparalleled opportunity to connect on a deeper, more personal level. It teaches us that to truly understand a place, sometimes all it takes is a single, delicious bite.