Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-01

An avalanche is a powerful and sudden flow of snow down a mountain slope. These events are a significant danger in snowy, mountainous regions worldwide. For an avalanche to occur, several conditions must be met. The primary factors include the angle of the slope and the structure of the snowpack. An avalanche is a natural event that (35) __________ occur in any mountainous region where there is significant snowfall, but human activity can often trigger them.

The snowpack is not a single, solid mass. Instead, it is made up of many different layers of snow that have accumulated over time. Each snowfall creates a new layer on top of the old ones. The characteristics of these layers, such as their density and temperature, can vary greatly. The (36) __________ layers are often those that fell during heavy storms, sitting on top of a weaker, less stable layer beneath.

The existence of a weak layer within the snowpack is the most critical element for an avalanche. This weak layer does not bond well with the snow above or below it. It can be formed from ice, very light snow, or snow that has undergone changes due to temperature. This weak layer is unable to (37) __________ the weight of the new snow on top. This instability (38) __________ the snowpack to become a 'slab,' a large block of snow ready to slide.

The final element is a trigger. (39) __________ can be natural, like more heavy snow or wind, or it can be caused by humans, such as a skier or snowmobiler crossing a steep slope. The extra weight is often just enough to cause the weak layer to (40) __________. Once this happens, the entire slab of snow on top can detach and begin to slide down the mountain at incredible speeds.

Being aware of these conditions is (41) __________ for anyone venturing into the mountains during winter. Understanding the risks involves checking avalanche forecasts and recognizing dangerous terrain. (42) __________, an avalanche is a combination of a steep slope, an unstable snowpack, and a trigger. Respecting the power of nature is the key to staying safe in these beautiful but potentially hazardous environments.

Imagine walking into a bustling café and being greeted not by a person, but by a sleek robot gliding silently to your table with a steaming cup of coffee. This futuristic scene is no longer just science fiction. In cities around the world, including Vietnamese hubs like Hanoi and Da Nang, service robots are becoming a real, if uncommon, sight. They navigate crowded floors and deliver orders with digital precision. But this raises a critical question for both customers and the industry: are these robots just a fun gimmick to attract attention, or do they represent a fundamental shift in the future of service jobs?

The arguments for adopting robot staff are compelling for business owners. Firstly, robots offer remarkable efficiency. They can operate 24/7 without breaks, holidays, or sick days. Secondly, they provide a level of consistent quality that can be difficult for humans to maintain; a robot barista can be programmed to make the exact same perfect cappuccino every single time. This precision helps reduce waste and human error. Finally, the novelty factor itself is a powerful business tool. A café with a robot waiter instantly becomes a talking point and a destination, drawing in curious customers eager for a new experience.

However, the current technology has significant limitations. The primary drawback is the lack of a 'human touch'. Robots cannot interpret subtle social cues, offer a personalized recommendation, or create the warm, welcoming atmosphere that makes a favorite café feel like a second home. They are programmed for specific tasks and struggle with unexpected situations, like a spilled drink or a customer with a complex dietary question. Furthermore, the initial investment for purchasing and maintaining these machines is substantial, making them a costly experiment for many small business owners.

In the Vietnamese context, these robots have so far been used more as a marketing strategy than a practical workforce solution. While they successfully attract crowds and generate buzz on social media, they rarely replace human employees entirely. Instead, human staff are still needed to take complex orders, handle payments, and manage the robots. This brings up a larger debate about the future of work. Will technologies like this eliminate entry-level jobs often held by young people, or will they create new, more technical roles in programming, robotics, and machine maintenance?

Ultimately, the role of robots in the service industry is still evolving. It's unlikely that they will completely replace human workers in the near future. A more probable scenario is a hybrid model, where robots handle simple, repetitive tasks like delivering food, freeing up human staff to focus on what they do best: providing excellent customer service, creativity, and problem-solving. The question is not whether robots are coming, but how we can best integrate them into our service experiences.