BeeJunior · Luyện tập tiếng Anh
Đề luyện thi vào lớp 10 - Đề 6
Ôn thi tiếng Anh vào lớp 10, tổng hợp kỹ năng và chủ đề lớp 8–9 với 40 câu hỏi. Chọn đáp án, kiểm tra từng câu để đọc giải thích, rồi nộp bài để xem kết quả. Không giới hạn thời gian.
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Bài đọc 1 · 312 từ
American Inventors: Rocket Scientist Robert Goddard
Today rocket launches and space missions are common. But in the early 1900s, space travel seemed like a dream. One of the most influential people in the field of rocket science was American Robert Goddard. The American space agency NASA describes Goddard as “the father of modern rocket propulsion.” Robert Goddard once said that "the dream of yesterday is the hope of today and the reality of tomorrow." His scientific work gave hope to many dreams about space travel. He turned some of those dreams into reality. More than one hundred years ago, Goddard carried out studies and tests of rocket engines. He developed and flew many rockets that got their power from solid fuels: chemicals that formed a hard substance. In 1925, he made and tested the first rocket engine using a soft chemical fuel. The next year, he successfully launched the world's first liquid-fuel rocket. Many historians consider liquid-fuel rocket flight to be as important as the first airplane flight by the American brothers Orville and Wilbur Wright. Goddard's work proved that machines could travel outside of Earth's atmosphere and into space. During his early research, he received money and support from the U.S. Smithsonian Institution. The Smithsonian published several reports about his efforts. One publication, called “A Method of Reaching Extreme Altitudes,” wrote about his search for ways to send weather recording instruments higher than balloons could fly. It described how he developed the mathematical theories for rocket flight. In that report, Goddard also suggested the possibility of a rocket someday reaching the moon. At the time, there was a big dispute in the press about this claim. Many people thought he was foolish for suggesting something that seemed so impossible. Many of Goddard’s ideas are still used in rocket development. So, in a way, every rocket that flies today could be considered a Goddard rocket.
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Bài đọc 2 · 394 từ
The Empire State Building: Once the World’s Tallest
The Empire State Building remains a popular place to visit in New York City. The structure sits in a central part of New York’s Manhattan area. It was built at a time when many developers were racing to become the first to complete the world’s tallest building. Construction on the Empire State Building started in January 1930. Building operations began two months later. The structure went up very quickly, with workers completing framing for the structure at a rate of about four-and-a-half floors per week. When completed in 1931, the Empire State Building was just over 443 meters tall, with 102 floors. The measurement included a 62-meter-tall lightening pole on top. It was the world’s tallest building at the time and remained so for more than 40 years. On May 1, 1931, the president of the United States, Herbert Hoover, took part in an opening ceremony. He pressed a button that turned on the lights to officially open the building. By 1946, the Empire State Building had become the headquarters for numerous organizations and supported more than 15,000 employees. But over time, the building never became as popular with large companies as the developers had hoped. Today, the structure houses mostly small businesses. The Empire State Building opened during the Great Depression, a long-lasting economic crisis that affected the U.S. and other economies around the world. This resulted in lower than predicted building costs. The structure alone cost about $25 million, while the cost of the land brought the price up to more than $40 million. Today, New York City officials estimate that more than 2.5 million people visit the Empire State Building each year. At least half the visitors come from other countries. The building has observation areas on two floors. The first is on the 86th floor and the other on the 102nd. The upper area has top-to-bottom windows on all sides to provide 360-degree views of the city skyline. Building officials say that on a clear day, visitors can see up to 120 kilometers. On the way up, visitors can stop at an exhibit area on the second floor. Among the things to see there is a model of the moving hand used in the popular 1933 movie King Kong. In the film, King Kong climbs the Empire State Building. The huge creature is then attacked by military planes and falls to his death.
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