Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-159

In our solar system, among the many moons orbiting the giant planets, Europa stands out. It is one of Jupiter’s largest moons, but its appearance is quite different from others. While many celestial bodies are covered in craters, Europa’s surface is remarkably smooth. However, it is also covered in long, dark cracks, giving it a very (21) __________ appearance. This mysterious look is one reason why scientists are so interested in it.

The main reason for this scientific interest is the strong possibility that a vast ocean of liquid water exists beneath its icy shell. Scientists believe this ice shell could be several kilometers thick, but under it, there might be an ocean of salty water. This ocean could contain more water than all of Earth's oceans combined. The presence of liquid water, which is a key ingredient for life as we know it, makes Europa an extremely compelling target for exploration.

What is the evidence for this hidden ocean? The cracked surface suggests that the ice shell moves and shifts, which could be caused by an ocean below. Additionally, data from the Galileo spacecraft showed that Europa has a weak magnetic field that changes as it orbits Jupiter. The gravitational pull of Jupiter has a significant (22) __________ on Europa's interior, possibly creating enough heat to keep the water liquid. This is considered (23) __________ evidence for a subsurface ocean.

The implications of finding liquid water are enormous. Moreover, the discovery of an ocean would make Europa one of the most likely places in our solar system to find extraterrestrial life. Although this life might only be microscopic organisms, the discovery would be revolutionary. This is why future missions are being planned to explore this possibility in more detail, with some planning to land a probe on the surface.

In conclusion, Europa is not just another moon. It is a world of incredible potential. Its smooth, cracked surface and the tantalizing possibility of a hidden ocean make it one of the most exciting objects for planetary scientists to study. (24) __________ new piece of information from missions like the upcoming Europa Clipper brings us closer to understanding this mysterious world and answering the question: are we alone in the universe?

Traveling the world, exploring new cultures, and creating unforgettable memories – that's the dream for many. Yet, even the most meticulously planned adventures can hit unexpected roadblocks. From a misplaced passport to a suddenly canceled flight, or even the unsettling feeling of being completely lost in an unfamiliar city, travel has a way of reminding us that it’s not always smooth sailing. Understanding how to navigate these bumps is just as crucial as packing your bags, transforming potential crises into manageable situations and valuable learning experiences.

Imagine the heart-stopping moment you realize your passport is gone just hours before an international flight, or the crushing disappointment of watching your plane depart without you because of an unexpected delay at a connecting airport. [I] Other common challenges include unexpected health issues requiring medical attention abroad, luggage that simply never arrives at your destination, or even the simple act of getting lost in a bustling foreign metropolis. Such situations demand quick thinking and often, a deep breath.

Thankfully, resources exist to cushion the blow of these unforeseen events. [II] In Vietnam, for instance, companies like Bao Viet offer comprehensive travel insurance policies specifically designed to provide a crucial safety net for these very scenarios. Whether it’s covering emergency medical expenses in a foreign hospital, compensating for trip cancellations and delays, or assisting with lost luggage claims, this type of insurance transforms a potentially catastrophic situation into a manageable one. It’s not just a piece of paper; it’s peace of mind, allowing travelers to focus on recovery rather than financial burden.

Beyond external support, developing personal problem-solving skills is paramount, especially for young travelers. For a 14-15 year old, picturing how you’d react to losing your phone or wallet in an unfamiliar place, or getting separated from your group in a crowded market, is an invaluable exercise. [III] These hypotheticals aren't meant to cause anxiety, but rather to foster resilience. By mentally walking through potential solutions – contacting the embassy, finding a police station, or using a map – you’re building confidence and adaptability, skills that extend far beyond travel itself.

Ultimately, while the allure of travel is in its unpredictability and adventure, its true lessons often lie in how we overcome challenges. [IV] Every missed flight or lost item presents an opportunity to learn, adapt, and grow. Preparing yourself, both practically with things like insurance and mentally with strong problem-solving abilities, transforms potential setbacks into character-building experiences. It’s about becoming a more self-reliant, resourceful, and ultimately, more confident individual, ready to face whatever the journey throws your way and emerge stronger.