Đề ôn thi Đề thi vào lớp 10 Hà Nội môn Tiếng Anh - Mã đề HN-40

(23) __________ . After twenty minutes of frantic searching, we heard a familiar bark. It was coming from the Henderson's yard next door, where we found our dog, Buddy, happily playing with their sprinkler. (24) __________

A battery is a device (25) __________ converts chemical energy into electrical power. Inside every battery, there are two terminals—a positive one and a negative one—and a special chemical substance called an electrolyte. When you connect a device, a chemical reaction (26) __________ place between the chemicals at the terminals and the electrolyte. This reaction makes tiny particles called electrons build up at the negative terminal, creating a voltage.

(27) __________, if you connect a wire between the terminals, the electrons will flow from the negative to the positive side to balance out. This flow is an electric current. The energy that is produced (28) __________ to power devices like your phone or remote control. Modern batteries are very efficient, but the chemical reaction is not permanent. After a battery (29) __________ all its stored chemical energy, it stops working and must be (30) __________.

Rap music has a long history, but for many years in Vietnam, it was not part of the mainstream music scene. It existed mostly in a niche community, far from the spotlight of popular media. This situation is not unique; globally, many music genres start small before a major event pushes them into public view, changing everything for the artists and their fans.

The turning point for Vietnamese rap was the television show 'Rap Việt'. Broadcast to millions, the show presented rap music with high-quality production and a competitive, exciting format. This exposure was a significant factor in changing public perception. Instead of just being music for a small group, rap became a primetime entertainment event for the whole family to enjoy.

The results were immediate and powerful. Artists who were once known only within the underground community, like Dế Choắt and GDucky, became household names overnight. Their songs topped music charts and they gained millions of new fans. This success demonstrated that rap was not only artistically valuable but also commercially viable, attracting sponsors and media attention.

In conclusion, 'Rap Việt' acted as a crucial bridge. It connected the passionate underground rap scene with the massive mainstream audience. By showcasing the talent and stories of the artists, the show did more than just create a few stars; it fundamentally changed the music landscape in Vietnam and created new opportunities for a new generation of artists.

Wind energy is often praised as a clean alternative to fossil fuels, but it has a significant downside for flying animals. The massive, rotating blades of wind turbines pose a deadly threat to birds and bats. (37) __________. As a result, conservationists are growing concerned about the placement of new wind farms.

For birds, a key problem is "motion smear," where the fast-moving blades become nearly invisible. (38) __________. For bats, the situation is also critical, as they seem to be attracted to the turbines, perhaps mistaking them for tall trees where they might roost. (39) __________.

Finding effective solutions is therefore urgent. Researchers are now testing methods like painting one turbine blade black to increase its visibility. (40) __________. Balancing our need for clean energy with wildlife protection is a major challenge for the 21st century.

A. This visual illusion means that even birds with excellent eyesight can fail to see the danger until it is too late

B. Early results suggest this simple change can reduce bird fatalities significantly

C. Every year, hundreds of thousands of these animals are killed by collisions with turbines

D. This misjudgment leads them directly into the path of the deadly blades