填空题
Hippocrates has been regarded as the father of ______.
填空题
What did Aristotle make a scientific study of?
填空题
In which century did William Harvery make his discovery about the circulation of the blood?
填空题
Louis Pasteur's theories were about______.
填空题
The lecturer says the advances of the 20th century are ______.than all the other periods combined.