Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-41

For decades, our energy needs (35) __________ by a traditional electricity grid. This system is a one-way street: power plants generate electricity and send it to homes and businesses. It relies heavily on old technology and limited communication, which makes it less efficient and responsive to modern demands.

A smart grid, (36) __________, is a major upgrade. It uses digital technology that allows for two-way communication between the utility company and its customers. This means a smart grid not only delivers electricity but also collects information about (37) __________ and when it is used, creating a continuous flow of data.

This two-way communication is possible because smart grids are full of sensors. These devices collect data about power usage in real-time. This information is then (38) __________ analyzed, which means problems can be detected and resolved much faster. For instance, the grid can instantly respond to changes that could (39) __________ the power supply.

This data-driven approach allows the grid to (40) __________ smarter decisions about energy distribution. Unlike the traditional model, a smart grid can predict when demand will be high and adjust the supply accordingly. This makes the entire system more reliable and more efficient than its predecessor, reducing waste and potentially lowering costs for (41) __________ consumer.

Ultimately, the move to a smart grid is a significant step towards a more sustainable energy future. It empowers both utility companies and consumers with the information they need to manage electricity use more effectively, which is a key component (42) __________ a modern, responsive energy system.

Around the world, people share a powerful connection to their local food. This is more than just about flavor; it's a deep-seated pride that says, 'Our version is the best.' This feeling is universal, but it is especially vibrant in countries with a rich and diverse culinary landscape like Vietnam. From the mountains in the north to the deltas in the south, every region boasts dishes that locals will passionately defend as the most delicious.

A perfect example of this friendly rivalry is the great debate over Phở. In Hanoi, a bowl of Phở is typically defined by its clear, simple broth, which allows the pure taste of the beef and rice noodles to shine. It is an expression of minimalism and tradition. Travel south to Ho Chi Minh City, however, and you'll find a different philosophy. Saigon-style Phở often features a slightly sweeter broth, and it is served with a plate full of fresh herbs, bean sprouts, and sauces like Hoisin and Sriracha for customization. Neither is 'correct'—they are simply distinct regional identities expressed in a bowl.

So, what truly elevates a local dish from 'good' to 'the best' in people's minds? The answer often lies beyond the ingredients. It is found in the warm memories of sharing that meal with family during a holiday. It is connected to the unique local environment—the specific minerals in the water or the climate that grows a particular herb, giving a dish a flavor that is impossible to replicate elsewhere. It is also about the unique techniques passed down through generations, and the special way local vendors prepare them.

Furthermore, the stories we tell about our food are a powerful ingredient. A dish might have a name linked to a historical event or a local legend about how it was created for a king. These narratives transform a simple meal into a cultural artifact. They make the food feel like an integral part of a town's identity, not just something to eat. This connection between food and story is why a bowl of Cao Lầu in Hoi An tastes of more than just noodles and pork; it tastes of history and place.

Ultimately, the 'best' food is not something that can be measured objectively. It is a deeply personal and cultural declaration. It’s a taste of home, a story of your roots, and a shared experience that connects you to your community. So, the next time you enjoy your hometown's specialty, you're not just eating food; you're tasting a piece of your identity.