请问楼主巴士拔题的外来的兔子 考试的答案是哪个呢?? CorE A. There is less chance that the virus will infect domestic animals on Numa than that it will infect bilbies. B. There are no species of animals on the island that prey on the rabbits. C. Overgrazing by rabbits endangers many of the plants on which bilbies feed.(Answer) D. The virus that the government proposes to use has been successfully used elsewhere to control populations of rabbits. E. There must be some alternative means of reducing the rabbit population that would involve no threat to the bilby.
-- by 会员 chengshuo0427 (2010/10/31 23:34:10)
原题的答案是C |