单项选择题 The Kraffts used their footage of volcanic eruptions to advocate for better monitoring and early warning systems in volcanic regions. （）

未知题型 Which of the following best describes Xu Xiake’s approach to scientific inquiry？ （）

单项选择题 Xu Xiakes travel notes were compiled into a work titled "Travels of Xu Xiake，" which is considered the first geographical masterpiece written in that form. （）

单项选择题 Zheng He’s fleet consisted of treasure ships that were over 100 meters long， making them the largest in the world at that time.（）

未知题型 What is the meaning of the noun “outbreak”？ （）

未知题型 The local __________ are taking measures to improve the traffic situation.（）

单项选择题 Einstein received the 1921 Physics Nobel Prize for his theory of relativity. （）

单项选择题 Newtons telescope design is no longer used today. （）

单项选择题 Newton published the Principia in 1687 and it contained his three laws of motion. （）

单项选择题 Einstein regarded work by Maxwell as the foundation of his achievement. （）