第1个回答 2024-06-17
Unit 1
Cultural relics are precious survivors of history, often made of valuable materials like amber or gold. These artifacts, such as vases and coins, are cherished as they provide a direct link to the past. The term "dynasty" refers to a sequence of rulers from the same family, while "dragon" is a mythical creature that has become a symbol of power and strength in many cultures.
Unit 2
In ancient Greece, athletes would compete in various sports, such as running and jumping, as part of the Olympic Games. The first modern Olympics were held in Athens, the capital of Greece, in 1896. The torch relay, a tradition in the Olympic Games, symbolizes peace and unity.
Unit 3
Electronic devices like calculators and computers have revolutionized the way we perform calculations. The development of personal computers (PCs) and laptops has made computing more accessible than ever before. PDAs, or personal digital assistants, are handheld devices that combine features of a phone, personal organizer, and computer.
Unit 4
Wildlife conservation is crucial for maintaining the delicate balance of ecosystems. Habitats, the natural homes of species, are threatened by various factors, including deforestation and urbanization. Efforts to protect endangered species, such as the construction of wildlife reserves, are essential in preserving biodiversity.
Unit 5
Classical music, with its rich history, continues to captivate audiences worldwide. Orchestras, consisting of musicians playing various instruments, perform a wide range of compositions. Different genres, including rap, folk, and jazz, reflect the diverse cultural heritage of music. The music industry has seen the rise of new stars and the evolution of recording technology, allowing for wider dissemination of musical works.