奠定中医学理论基础的著作是
A、《脉经》
B、《伤寒论》
C、《黄帝内经》
D、《金匮要略》
E、《神农本草经》

单项选择题16. If the length of the object is 1000mm and the drawing scale is 1:20, the dimension number marked on the figure is

单项选择题3. The theme represents the of the whole humankind for a better living in future urban environments. A、similar hope B、common wish C、same hope D、identical wish