【单选题】Ancestral humans continued their global spread to the New World, reaching North America approximately _______ years ago and the southern regions of South America 15,000 years later.
【简答题】请听下面一段材料,回答第1-3题。 1. Where will the man go? A. To a theatre. B. To a cinema. C. To a bookshop. 2. Which country does the man come from? A. America. B. Britain. C. France. 3. How will the man go there?...