A.was a famous doctor. |
B.had a sweet manner |
C.was much concerned(关心) for the poor. |
D.read many medical books |
A.over 1,000,000 words |
B.1,800 kinds of medical plants. |
C.a lot of medical work |
D.many foreign medical stories |
A.work of different science |
B.letters from foreign countries |
C.hope for the better future |
D.books on special subject |
A.天工开物 | B.四库全书 |
C.本草纲目 | D.齐民要术 |