Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-24

Saving energy is one of the most important actions we can take for the planet and for ourselves. It simply means using less energy to achieve the same result. The primary goal is to (35) __________ our overall energy consumption, which has widespread benefits. Since our modern lives depend heavily on energy for everything from lighting our homes to powering our industries, understanding why conservation is necessary is the first step towards making a positive change.

A major reason for conserving energy is to protect the environment. Most of the energy we use comes from burning fossil fuels like coal and oil. This process releases harmful gases into the atmosphere. (36) __________ contributes to air pollution and climate change, which have serious consequences for our planet's health. Therefore, by using less energy, we can directly decrease the amount of pollution we create. We (37) __________ take this responsibility seriously to ensure a healthier future.

Beyond the environmental advantages, energy conservation is also economically smart. Not only (38) __________ saving energy protect natural resources, but it also leads to significant financial savings. When you use less electricity, your monthly bills go down. Improving the energy (39) __________ of your home, for instance by using better insulation, can result in long-term cost reductions. This simple cause-and-effect relationship makes conservation an attractive choice for families and businesses alike.

Taking part in energy conservation does not require difficult changes. Simple habits can (40) __________ a huge difference. Remembering to turn off lights when you leave a room, unplugging electronics when they are not in use, and choosing energy-efficient appliances are all effective strategies. In fact, switching to LED light bulbs is one of the (41) __________ effective changes a household can make, as they use up to 80% less energy than traditional bulbs.

(42) __________, energy conservation is a critical practice with benefits that extend from our wallets to the global environment. It is an issue where individual actions collectively create a powerful, positive impact. Protecting our planet's future is a shared duty, and saving energy is a necessary and achievable goal for everyone to pursue.

Have you ever bought a shirt online, only to find it doesn’t fit when it arrives? This common frustration is something that Augmented Reality (AR) technology aims to solve. You might already be familiar with AR from using fun filters on Instagram or TikTok that place digital objects, like cat ears or virtual sunglasses, onto your face. Now, major retail brands are adapting this same technology to create virtual 'try-on' experiences, allowing you to see how clothes look on your body without ever leaving your home.

The process is surprisingly simple for the user. By using your smartphone’s camera, the AR application maps a 3D model of a garment onto your real-time image on the screen. You can turn around and see the item from different angles, just as you would in a physical fitting room. For shoppers, the benefits are clear. It significantly reduces the uncertainty of online purchases, helping you make more confident decisions. This not only saves you the time and hassle of returning items that don't suit you but also makes the entire shopping experience more interactive and enjoyable.

For retailers, the advantages are just as compelling. Product returns are a huge expense for e-commerce companies, involving costs for shipping, restocking, and processing. By helping customers choose the right items the first time, AR can drastically reduce the number of returns, leading to significant financial savings. Furthermore, this innovative feature can increase customer engagement and time spent on a company’s app or website, which often translates into higher sales. There's also a potential environmental benefit, as fewer returned packages mean a smaller carbon footprint from transportation.

However, the technology is not yet perfect. One of the main challenges is ensuring accuracy. While AR can show you the color and pattern of a virtual garment, it often struggles to realistically simulate the texture, weight, and movement of different fabrics. For example, a virtual silk shirt might not hang or flow the way a real one does. Getting the fit exactly right is also a complex technical problem. Consumers need powerful smartphones to run these applications smoothly, and it remains to be seen how well virtual clothes look when they are overlaid on different body shapes and sizes.

Despite these hurdles, the future of AR in retail looks bright. In Vietnam, while still an emerging concept, some beauty and accessory brands have started using AR filters to let customers try on makeup or earrings. As the technology improves and becomes more accessible, it is highly likely that AR try-on features will become a standard part of the online shopping experience for clothing as well. It represents a major step towards bridging the gap between the digital and physical worlds of commerce, changing how we shop for good.