Recently, the 100th birth anniversary of Rosalind Franklin was observed. Rosalind Franklin was a/an ________.
A. Writer
B. Astronaut
C. Social activist
D. Virologist
Answer:D
Recently, the 100th birth anniversary of Rosalind Franklin was observed. Rosalind Franklin was a/an ________.
A. Writer B. Astronaut C. Social activist D. Virologist