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  3. Which of the following statement has nothing to do with the drastically declining number of birds? Which of the following is no

Which of the following statement has nothing to do with the drastically declining number of birds? Which of the following is no

admin2011-10-20  31
问题 Which of the following statement has nothing to do with the drastically declining number of birds?
Which of the following is not true of the text?
选项 A、A cat can kill all the birds on an island where there used to be no cat at all.
B、People are accustomed to catch birds for food and pets.
C、Electricity wires can be extremely dangerous for birds.
D、Birds that are not killed by direct poison will not be harmed by it any more.
答案D
解析 推理判断题。根据文章中关于外来物种的描述可以推断选项A中的情况有可能发生。根据文中所列出的第二个原因，也就是直接的抓捕可以推断人们有着抓捕鸟类的传统，因此选项B所说的也有可能发生。根据"electrocution on power lines has caused the mass mortality of raptors"，C中的情况也有可能发生。而D中的情况同文章描述相反，文中指出除了直接影响之外，有毒物质的富集也会导致鸟类的各种疾病，因此选D。
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