• 2022-06-19
    The significance of the finding is that ______.
    A: people now know the number of chimpanzees is much smaller than expected
    B: it may make it possible for scientists to discover new ways of treating AIDS.
    C: it proves some deadly human diseases can also be transmitted to wild animals
    D: it will soon help the scientists develop a vaccine that prevents the AIDS virus
  • 举一反三