Đề ôn thi Đề thi vào lớp 10 Hải Phòng môn Tiếng Anh - Mã đề HPG-46

Hydroelectric power is a significant source of renewable energy, generating electricity without burning fossil fuels. The process starts with a dam, which holds back a large river to form a reservoir. This stored water has huge potential energy. When electricity is needed, gates in the dam open and the water flows through a pipe called a penstock. The main (29) __________ of this process is clean energy, but building a dam can also harm local ecosystems.

As the water rushes downwards, it turns the blades of a giant turbine. This turbine is connected (30) __________ a generator. The spinning motion of the turbine makes the generator rotate, converting mechanical energy into electrical energy. (31) __________, the electricity is sent through power lines to homes and businesses. The entire system is quite efficient, and (32) __________ hydroelectric plants can produce a massive amount of power. Engineers have to (33) __________ complex challenges like water pressure and environmental impact when designing a dam. If we (34) __________ more on renewable sources like hydropower, we would reduce our carbon footprint significantly.

The motorbike trip in Vietnam is more than just a way to get from one place to another; it's an adventure woven into the country's culture. For many young Vietnamese, who grow up with the sound of engines, it represents a rite of passage. As they near the age of getting a license, the dream of exploring their homeland on two wheels symbolizes a profound sense of freedom and independence, similar to the classic road trips seen in movies.

The rewards of such a journey are immense. Riders experience a direct connection with the environment, feeling the wind and smelling the mountain air. Routes like the famous Ha Giang Loop offer breathtaking landscapes, with winding roads through limestone mountains and terraced rice fields. This travel style also allows for spontaneous stops in small villages, providing authentic interactions with local people that are often missed by tourists on buses.

However, embarking on a motorbike loop is not without its difficulties. The weather can be unpredictable, changing from bright sunshine to heavy rain in minutes. Road conditions can be challenging, with narrow, steep, and sometimes damaged sections. Therefore, careful preparation is essential. This includes checking the bike's mechanics thoroughly, planning the route to avoid dangerous areas, and packing appropriate gear for all weather conditions.

Ultimately, while a motorbike trip demands respect for the risks involved, the experience is often described as life-changing. The combination of stunning nature, cultural discovery, and personal achievement creates memories that last a lifetime. For those willing to prepare properly—wearing a good helmet, choosing a reliable bike, and traveling with awareness—the open road in Vietnam offers one of the most rewarding adventures imaginable.