Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHTN môn Tiếng Anh - Mã đề KHTN-58

(23) __________ The journey back was not immediate; it required a structured and resilient approach. (24) __________

Have you ever wondered how people lift very heavy things, like a piano or construction materials? One common tool is the pulley system, a simple machine (25) __________ consists of a wheel and a rope. For centuries, people (26) __________ pulleys to make difficult lifting jobs much easier. The basic principle is simple: by pulling down on one end of the rope, you can lift an object attached to the other end. This redirects the force, making it more convenient.

With just one pulley, you still have to (27) __________ the same amount of effort as the object’s weight. (28) __________, when you add a second pulley, the effort you need is cut in half. This principle of mechanical advantage is why complex pulley systems (29) __________ in cranes, elevators, and on large sailing ships. By understanding this simple machine, engineers can design amazing solutions to move incredible weights. It's a great example of how a simple (30) __________ can have a huge impact.

Vietnam's Mid-Autumn Festival, or Tết Trung Thu, is one of the most anticipated celebrations of the year, especially for children. Traditionally, it's a time when families gather to watch the full moon, which is at its brightest. Children parade through the streets with colorful lanterns in various shapes, like stars and fish. The exciting sound of drums from lion dance performances fills the air, creating a magical atmosphere for everyone.

However, in recent years, a significant change has been observed. The festival has become more commercialized. The focus has shifted partly from children's activities to the business of mooncakes. Companies now produce elaborate mooncakes with luxurious packaging and unique flavors. These are not just for family enjoyment but are heavily marketed as premium corporate gifts, often with very high price tags, transforming a simple treat into a symbol of status.

This transformation has sparked a debate. On one hand, the new variety of mooncakes allows for new ways to celebrate and share the festival spirit with colleagues and business partners. On the other hand, many people worry that the original meaning is fading. They feel the focus on expensive gifts puts pressure on families and moves away from the traditional celebrations centered on children's joy. These new types of mooncakes have become status symbols, and many feel they are simply too expensive for the average family.

Ultimately, the evolution of Tết Trung Thu reflects a wider conversation in modern Vietnam: how to preserve cultural heritage while adapting to contemporary life. The question is not whether the festival will survive, but what its identity will become. Will it find a balance between its charming origins and its commercial present, ensuring it remains a meaningful event for both children and adults?

The rise of standing desks in offices and classrooms is a direct response to concerns about our increasingly sedentary lifestyles. Proponents argue that standing more can improve posture and burn extra calories. (37) __________.

However, the switch isn't always a perfect solution. Improper use of a standing desk can lead to new physical problems, (38) __________. For example, standing rigidly for extended periods without breaks or proper footwear can be just as harmful as sitting all day. (39) __________. The ideal approach involves alternating between sitting and standing, and ensuring your desk and monitor are at the correct ergonomic height, (40) __________.

A. which helps maintain a neutral spine and reduces muscle fatigue

B. Therefore, the key is not just to stand, but to stand correctly

C. This simple change can combat the negative health effects of sitting for long hours

D. placing unexpected strain on the legs, feet, and lower back