a book or a set of books dealing with every branch of knowledge 【最新】八年级英语 上册 Chapter 5 Look it up课件 上海牛津版 课 件Quiz: 1.How long does it take for the Moon to go round the Earth? A. 28 days B. 29 days C. 30 days D. 31 days 2. Who was the first astronaut to visit the Moon? A. Neil Armstrong B. Laika C. Galileo D. Yang Liwei 3. How often does Halleys Comet pass near the Earth? A. Every 56 years B. Every 66 years C. Every 76 years D. Every 86 years 4. Which mountain is the highest in the world? A. The
