The Kraffts used their footage of volcanic eruptions to……

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.（）

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. （）

单项选择题子学即诸子之学，一般与经学﹑史学并提。指春秋战国时期诸子百家的学术思想。（）

单项选择题春秋时期官学的鼎盛带动了私学的蓬勃发展。（）