Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-81

Wildfires are powerful natural events that can change landscapes dramatically. While many wildfires are started by humans, often accidentally, nature has its own ways of igniting forests. These natural fires play a complex role in the ecosystem, clearing out old vegetation to make way for new growth. This passage will focus exclusively on how these fires begin without any human involvement.

The most common natural cause is a lightning strike, which is essentially a massive spark of electricity from the atmosphere. During a thunderstorm, a bolt of lightning can hit a tree or the ground with incredible force and heat. This powerful energy is released into the ground in a fraction of a second, and its temperature can be hotter than the surface of the sun.

(21) __________, a lightning strike alone is not enough. The conditions on the ground must be just right for a fire to ignite. If the vegetation is extremely dry and there is plenty of fuel like dead leaves, pine needles, and grass, the heat from the lightning can easily start a flame. These materials are highly flammable when they lack moisture.

Once a fire starts, it can (22) __________ very quickly, especially if there is strong wind. Wind provides the fire with more oxygen and pushes the flames into new areas of fuel. The type of land is also important, as fires move faster up hills (23) __________ to the way heat rises. This combination of factors determines how large and intense a wildfire becomes.

In conclusion, the creation of a natural wildfire is a perfect storm of events. It requires a powerful ignition source, like a lightning strike, and very dry, flammable conditions on the ground. This combination can have a huge (24) __________ on the environment, reminding us of the immense power of natural forces.

Summer is often associated with relaxing getaways, but for many students, the warmer months now present a unique opportunity: summer abroad. These are not typical vacations; they are educational travel experiences designed to blend academic growth with cultural immersion. Whether attending a specialized summer camp, enrolling in an intensive language course, or participating in a study tour, the core idea is to learn while exploring a new environment. [I] This trend highlights a shift from purely leisure trips to purposeful journeys offering more than just memorable sightseeing.

The value of educational travel extends far beyond textbooks and lectures. Living in a foreign country, even for a few weeks, pushes individuals out of their comfort zones, fostering independence, adaptability, and problem-solving skills. Students practice a new language in real-world situations, interact with diverse backgrounds, and gain firsthand insights into different cultures. [II] This immersive approach helps develop a broader global perspective, enhancing academic understanding and crucial life skills for today's interconnected world.

For many students in Vietnam, the concept of a summer study tour abroad is becoming increasingly familiar. Major English language centers, like ILA and VUS, actively promote and organize comprehensive summer programs. Destinations such as the United States, the United Kingdom, and Singapore are popular choices, providing structured environments where Vietnamese students can improve English, experience foreign academic systems, and build international friendships. [III] These programs serve as vital bridges to global opportunities.

Considering a summer abroad trip is a significant decision and a considerable investment for your parents. It’s more than an extended holiday; it’s a substantial opportunity for personal and intellectual growth. To truly maximize its benefits, actively engage in every aspect – participate in classes, join activities, and seek out local experiences. Ask questions, converse with native speakers, and reflect on discoveries. Approaching the trip with a learning mindset ensures maximum returns.

Ultimately, a summer abroad experience can be a transformative chapter in a young person's life. It's an investment paying dividends long after suitcases are unpacked. The confidence gained from navigating unfamiliar situations, fluency in a new language, and a broadened worldview acquired through cultural immersion are invaluable assets. [IV] It truly offers far more than just a summer vacation.