单项选择题
The writer describes Rudolf Virchow's life and career in an ______ tone.
单项选择题 According to the passage, which of the following statements is NOT true
单项选择题 It can be inferred from the passage that when Virchow studied at Friederich Institute, some people believed that______.
单项选择题 Virchow helped found all the following EXCEPT______.
