四六级考试

【单选题】 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

网考网参考答案：B
网考网解析：
[详细解答] A是个事实，但非研究的意义所在。C意思不对。至于D，人类的研究将是漫长的，没那么乐观。只有B比较现实。 查看试题解析出处>>