Đề ôn thi Đề thi vào lớp 10 Trường THPT Chuyên KHXH môn Tiếng Anh - Mã đề KHXH-134

A roundabout is a circular intersection where drivers travel in one direction around a central island. Instead of using traffic lights or stop signs to manage vehicle movement, roundabouts are designed to improve traffic flow. The primary goal is to make traffic movement more (35) __________ than at traditional crossroads, reducing unnecessary waiting times and fuel consumption for drivers.

The system works because it promotes continuous movement. Rather than stopping at red lights, drivers approach the roundabout, slow down, and yield to vehicles already circulating. Drivers (36) __________ only enter the circle when there is a safe gap in traffic. Once a space is available, they can (37) __________ smoothly with the moving vehicles and proceed towards their exit without having to stop completely.

Furthermore, studies have shown that roundabouts are generally much (38) __________ than intersections with traffic signals. The curved design forces drivers to reduce their speed, which decreases the severity of potential accidents. (39) __________ means that if collisions do happen, they are less likely to be serious. The number of conflict points—places where vehicles could crash—is also significantly lower.

To navigate a roundabout correctly, drivers must (40) __________ close attention to signs and road markings. They must yield to traffic coming from their left that is already in the roundabout. (41) __________ should they proceed into the circle. This requires a higher level of alertness compared to passively waiting for a green light.

(42) __________, roundabouts offer a smart solution to modern traffic management. By reducing delays and improving safety, they represent a significant advancement over older intersection designs. While they require drivers to be more engaged, the benefits for the community are clear.

Cúc Phương, established in 1962, holds the special title of being Vietnam's very first national park. Nestled in the Red River Delta, it is a realm of lush green forests, ancient trees, and mysterious caves. For decades, it has served a dual purpose: it is a vital sanctuary for an incredible diversity of wildlife, but it is also one of the country's most popular destinations for both local and international visitors. This creates a fundamental challenge: how to welcome people to appreciate its beauty without harming the very nature they have come to see.

The core mission of Cúc Phương is conservation. The park is world-famous for its Endangered Primate Rescue Center (EPRC), a facility dedicated to saving species like the critically endangered Delacour's langur. Here, scientists work tirelessly to rescue, rehabilitate, and breed primates with the hope of eventually releasing them back into protected forests. This work is crucial not just for Vietnam, but for global biodiversity. The park is a living laboratory, where research helps us understand how to protect these fragile ecosystems from threats like illegal poaching and habitat loss.

On the other hand, the park attracts thousands of tourists each year. Visitors come to hike scenic trails, explore prehistoric caves, and hope for a glimpse of the park's rare inhabitants. However, this popularity comes at a cost. An increasing number of visitors can lead to problems such as littering, noise pollution that scares animals, and damage to vegetation when people stray from marked paths. While they bring valuable income to the region, the park’s management must constantly monitor their impact to prevent irreversible damage to the environment.

Striking the right balance is a delicate and ongoing task. Park authorities are implementing strategies for sustainable tourism to mitigate these negative effects. These include limiting the number of visitors in sensitive areas, promoting environmental education through on-site programs, and requiring that tourists use local guides. The goal is to transform visitors from simple consumers of nature into educated allies for conservation, ensuring that their presence helps rather than harms the park's long-term health.

Ultimately, the future of Cúc Phương depends on us. When you visit a national park, you are entering a protected home for countless species. The question is not simply whether to protect it or visit it. The real question is how we, as visitors, can act as respectful guests, ensuring this Vietnamese treasure can be enjoyed by many generations to come.