Đề ôn thi Đề thi vào lớp 10 Trường Phổ thông Năng khiếu môn Tiếng Anh - Mã đề PTNK-92

Mangrove forests are (21) __________ ecosystems found along tropical and subtropical coastlines around the world. These unique environments, where land and sea meet, are characterized by salt-tolerant trees. While they may seem like simple coastal woodlands, their importance to both the environment and human communities is enormous. They are a critical component of coastal health and sustainability.

One of the most vital functions of mangroves is coastal protection. Their complex and dense root systems act like a natural shield, holding soil and sand in place. Because of this structure, their roots (22) __________ significantly reduce the force of waves hitting the shore, providing a natural and protective barrier against coastal erosion. This protection is especially crucial during storms and high tides.

In addition, these forests provide a critical habitat for a diverse range of wildlife. They serve as a vital nursery for many species of fish, shrimp, and crabs. (23) __________ means that the health of these forests is directly linked to the health of local fisheries. For young marine animals, there are few places (24) __________ than a mangrove forest to grow in safety before moving to the open sea.

Moreover, mangroves play an essential role in maintaining water quality. Their dense roots trap sediments and pollutants that flow from the land. Not only do they filter the water, but they also prevent these harmful substances from reaching delicate offshore ecosystems like coral reefs. This filtration process helps keep the coastal waters clean and clear.

In conclusion, the value of mangrove forests is immense. They protect coastlines, support wildlife, and clean the water. Recognizing and preserving these incredible ecosystems is essential for the health of our planet and the well-being of coastal communities for generations to come.

Budget airlines have dramatically reshaped global travel. [I] These low-cost carriers offer affordable airfares by stripping away many traditional services. Before their emergence, air travel was often a luxury, accessible to few. [II] This no-frills model has democratized flying, making it a viable option for more budgets and truly opening up the possibility of seeing more of the world.

The impact of this revolution is particularly evident in Vietnam. Airlines like Vietjet Air have played a pivotal role in making regional and domestic air travel incredibly affordable. This accessibility has spurred a remarkable boom in tourism, especially among youth and families. [III] Popular destinations like Da Nang's stunning beaches or Phu Quoc island are now within reach for many, allowing more Vietnamese families to explore their beautiful country or even venture to neighboring nations without breaking the bank.

For young people aged 14-15, this shift in travel economics carries significant personal relevance. [IV] Imagine the possibility of more family vacations, exploring new cultures, or visiting distant relatives more frequently. Budget airlines can turn what might have been a once-in-a-lifetime trip into a regular occurrence. This newfound affordability means you might gain invaluable experiences, from tasting unique street food in another city to understanding different ways of life, all thanks to reduced travel costs.

However, embracing the budget airline experience requires understanding its trade-offs. The "no-frills" approach means paying extra for things standard on full-service carriers. This includes checked baggage, specific seat selection, and even onboard snacks. Legroom can be more limited, and flight schedules might be less flexible. To truly maximize savings, it’s crucial to read the fine print, pack lightly, and only pay for services you genuinely need. Ignoring details can quickly erase any initial fare advantage.

Ultimately, budget airlines are a powerful tool for unlocking greater travel opportunities. They have fundamentally changed the landscape of exploration, making it less about luxury and more about accessibility. For an adventurous teen, learning to navigate low-cost carriers effectively means more than just saving money; it means gaining the freedom to embark on more adventures, create lasting memories, and expand your horizons. With smart planning, the secret to seeing more of the world truly lies in understanding how to make budget travel work for you.