Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-127

The excavator is a common sight on construction sites. Its most impressive feature is the long, powerful arm that looks a bit like a giant's limb. The excavator's arm is not one single piece; it is made of three main (35) __________: the boom, the stick, and the bucket. Each part has a specific job, and they work together to perform precise and powerful digging actions.

The first section, connected directly to the excavator's body, is the boom. It is the largest and strongest part of the arm. The boom's primary function is (36) __________ the rest of the arm up and down. It pivots at a joint, allowing the entire arm assembly to be raised high in the air or lowered into a trench.

Attached to the end of the boom is the stick, which is also called the dipper arm. Just like a human forearm, the stick can bend and (37) __________, moving toward or away from the excavator's main body. This movement provides the reach, letting the operator position the bucket exactly where it needs to be for digging or lifting materials.

The magic behind this movement is the hydraulic system. This system uses a special fluid under high pressure to move the different parts. (38) __________ this powerful system, the arm can lift incredibly heavy loads. If an operator (39) __________ the controls differently, the arm would respond with either a gentle scoop or a powerful tear through the ground. A senior engineer once told a trainee that the hydraulic fluid (40) __________ the real muscle of the machine.

To dig effectively, an operator must skilfully (41) __________ the movements of all three parts at once. It takes great coordination to scoop earth with the bucket while adjusting the stick and boom simultaneously. It is (42) __________ complex skill, but it is what makes the excavator such a versatile and essential tool on any modern construction project.

Imagine swapping your school desk for a laptop on a sandy beach, with the sound of waves as your background music. This isn't just a scene from a movie; it's the reality for a growing number of people known as 'digital nomads'. These are individuals who use technology, like laptops and the internet, to work remotely from anywhere in the world. They might be graphic designers, writers, programmers, or online teachers. The key idea is that their office is wherever they can get a good Wi-Fi connection, allowing them to blend work with travel and exploration.

The rise of the digital nomad lifestyle has been driven by two main forces. Firstly, technological advancements have made remote work more accessible than ever. High-speed internet, powerful laptops, and collaborative online tools mean that teams can work together effectively from different continents. Secondly, there has been a cultural shift. Many people, especially younger generations, are seeking more flexible work arrangements that offer a better work-life balance than the traditional nine-to-five office job. They value experiences over possessions and desire the freedom to set their own schedules.

Vietnam has rapidly emerged as a top destination for digital nomads, with cities like Da Nang and Hoi An becoming vibrant hubs. What makes Vietnam so attractive? The low cost of living is a major draw, allowing people's earnings to go much further. The country also boasts stunning natural scenery, from beautiful coastlines to majestic mountains, and a rich culture. Furthermore, the thriving cafe culture provides countless comfortable workspaces with reliable Wi-Fi. This has created a strong sense of community among the nomads who flock here, making it easier for them to connect with like-minded individuals and share experiences.

However, the digital nomad lifestyle is not a permanent vacation. It comes with its own set of challenges that require careful management. One significant issue is dealing with visas and legal requirements to work in a foreign country. Another is the potential for loneliness, as being constantly on the move can make it hard to build deep, lasting relationships. Above all, this lifestyle demands immense self-discipline. Without a boss watching over you, it's easy to get distracted by the temptations of a new place. Balancing work deadlines with the desire to explore is a skill that every successful digital nomad must master.

As the world of work continues to evolve, the line between a career and travel is becoming increasingly blurred. The digital nomad trend shows that it is possible to build a successful professional life without being tied to one location. For your generation, the skills of adaptability, self-management, and digital literacy will be more valuable than ever. The future office might not be a cubicle, but a cafe in Hoi An, a co-working space in Bali, or anywhere else your curiosity takes you.