【单选题】A team of international researchers has found new evidence that an endangered subspecies of chimpanzee is the source of the virus that causes acquired immune deficiency syndrome (AIDS) in humans. Expe...
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
【单选题】A team of international researchers has found new evidence that an endangered subspecies of chimpanzee is the source of the virus that causes acquired immune deficiency syndrome (AIDS) in humans. Expe...
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