题目信息
Ecologist: The incidence of alligator attacks on humans in the vicinity of the Blue Lagoon has increased in recent years. Relocating at least half of the Blue Lagoon's alligator population would help decrease the incidence of alligator attacks on humans.
The ecologist's claim relies on which of the following assumptions?
A:Alligators prefer humans to other food sources.
B:There is a correlation between the size of the alligator population and the incidence of alligator attacks on humans.
C:In recent years, there has been no significant change in the size of the alligator population in the Blue Lagoon.
D:Not all alligator attacks on humans are reported to authorities.
E:Relocating half of the lagoon`s alligator population would not be prohibitively expensive.
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已选答案：
正确答案：
B:There is a correlation between the size of the alligator population and the incidence of alligator attacks on humans.
1：假设题目 2：relocating 一半alligator （A）-- 减少对人类的袭击（B） 3：这道题很明显的断桥，因此需要一个选型链接A和B，因此选B
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