单项选择题Performing good deeds can have a positive impact on the mental health of the giver. （）
单项选择题The song A Human Touch was composed for a documentary about the AIDS crisis in the 1980s. （）
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. （）
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. （）
