Đề ôn thi Đề thi vào lớp 10 Hà Tĩnh môn Tiếng Anh - Mã đề HTI-17

Have you ever wondered why airplanes sometimes fly faster in one direction than another? The answer often lies in the jet stream, a fast-flowing river of air high up in the atmosphere. These powerful winds blow from west to east and can reach speeds of over 400 kilometers per hour. The jet stream doesn't stay in one place; its position changes with the seasons. It has a significant (24) __________ on our weather, for instance, by separating colder air in the north from warmer air in the south.

Pilots can use this powerful wind. A long flight from Asia to North America, for instance, might (25) __________ by an hour. (26) __________, this saves a lot of fuel and reduces the flight time for passengers. If the jet stream didn't exist, our weather patterns (27) __________ dramatically. Many regions would experience more extreme temperatures. Because the jet stream is located high (28) __________ the Earth's surface, we can't see it directly. It seems that (29) __________ pilot needs to be aware of this invisible force for a safe and efficient journey.

For many people, the idea of a perfect holiday is changing. Instead of simply relaxing on a sandy beach, a growing number of travelers, especially teenagers, are seeking more excitement. This trend is part of a global shift towards adventure travel, a type of tourism focused on physical activity, cultural exploration, and pushing personal boundaries. The question is: what drives this desire for challenge over comfort?

The answer lies in human psychology. Overcoming a difficult but manageable challenge provides a powerful sense of achievement that is deeply fulfilling. When you successfully navigate a tough hiking trail or learn a new skill like rock climbing, you build self-confidence. For young people, these experiences are particularly valuable. They offer a chance to test their limits in a controlled environment, discovering their own strength and resilience away from the pressures of school and daily life.

Vietnam has emerged as a world-class destination for this kind of travel. Expeditions to spectacular places like Son Doong, the world's largest cave, attract adventurers from all over the globe. These journeys are often physically and mentally demanding, requiring teamwork and perseverance. However, with professional guide companies ensuring safety and providing equipment, these once-in-a-lifetime experiences are no longer just for elite explorers but are accessible to determined tourists seeking an extraordinary challenge.

Ultimately, adventure travel offers more than just an adrenaline rush. It creates lasting memories and teaches important life skills. The teamwork required on a difficult trek and the resilience gained from facing the unexpected are lessons that extend far beyond the holiday itself. It is about returning home not just rested, but stronger, more confident, and with a new perspective on what you are capable of achieving.