Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-35

The Dolphin Mind

Dolphins are incredibly intelligent creatures, often considered to be one of the smartest animals on Earth. They display (21) __________ complex problem-solving abilities and exhibit a wide range of communication skills. For example, dolphins can learn (22) __________ complicated tricks, use tools like sponges to find food, and even recognize themselves in a mirror.

(23) __________ remarkable intelligence, dolphins are highly social animals. They live in pods, form strong bonds with each other, and cooperate to hunt and raise their young. (24) __________ a long lifespan, sometimes exceeding 40 years in the wild, dolphins have ample time to develop these complex social structures and learn from their experiences. However, (25) __________ still much that we don't understand about these fascinating creatures. Further research is crucial (26) __________ unraveling the mysteries of the dolphin mind.

Every year, as temperatures plummet , the city of Harbin in northeast China transforms into a breathtaking spectacle of ice and snow. The Harbin Ice and Snow Sculpture Festival, the largest of its kind in the world, draws millions of visitors eager to witness this magical winter wonderland.

The festival features two main areas: the Sun Island Scenic Area and the Ice and Snow World. Sun Island showcases impressive snow sculptures, ranging from whimsical animals to intricate replicas of famous landmarks. Here, visitors can wander through a snowy landscape populated by larger-than-life creations, all sculpted with meticulous detail.

As dusk falls, the Ice and Snow World bursts into a kaleidoscope of color. Towering structures, carved from blocks of ice harvested from the Songhua River, are illuminated with thousands of LED lights. These shimmering castles, palaces, and mythical creatures create a surreal and unforgettable experience for visitors.

The Harbin Ice and Snow Sculpture Festival is not only a testament to artistic skill and creativity but also a testament to the human spirit's ability to find beauty and joy even in the depths of winter.

Dams are structures built across rivers to control the flow of water. While they offer benefits like hydroelectric power and irrigation, their impact on rivers is significant and often debated. (37) __________ , dams can disrupt the natural flow of rivers, affecting both wildlife and human communities.

One major impact of dams is the alteration of river ecosystems. (38) __________ . This change can lead to a decline in fish populations and affect animals that rely on the river for food and habitat. For example, migratory fish species, like salmon, face significant challenges in reaching their spawning grounds upstream due to dam construction.

Moreover, dams can trap sediment that would naturally flow downstream. This sediment is crucial for maintaining downstream ecosystems and replenishing beaches. (39) __________ , leading to erosion and impacting coastal communities. Dams also affect the livelihoods of people who depend on rivers for fishing, transportation, and agriculture, particularly in developing countries.

(40) __________ . Therefore, striking a balance between harnessing the benefits of dams and mitigating their negative impacts is essential for sustainable water management and preserving the health of our rivers.

A. The water temperature and flow patterns are significantly altered.

B. By creating artificial reservoirs

C. It is clear that dams have both positive and negative consequences

D. Without this sediment, coastlines become more vulnerable to the effects of waves and storms