简答题In Ming dynasty, _____ was published as the first comprehensive book about agriculture and handicraft production. A、 B、 C、 D、简答题Joseph Needham, an English scholar, put emphasis on the great contributions made in agriculture in his book series Science and Civilization in China. A、正确 B、错误简答题Which of the following statement about Dujiangyan irrigation system is NOT true? A、Dujiangyan irrigation system is in Dujiangyan City, Sichuan, China. B、Dujiangyan irrigation system was originally constructed around 256 BC by the State of Qin. C、Dujiangyan irrigation system has been scrapped and become a famous tourist attraction. D、Dujiangyan irrigation system's infrastructure develops on the Min River, the longest tributary of the Yangtze.简答题Traditional Chinese mathematics focuses on abstract problems, as represented in the book “Nine Chapters on the Mathematical Art”. A、正确 B、错误