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. （）

单项选择题 Tim Harford regard slow-motion multitasking the key for many people to keep their creativity. （）

单项选择题 One of the reasons why multitasking is popular among creative people is that learning to do one thing well can often help you do something else. （）