11.   The main source of exposure to PCBs by the women in the study was the consumption of contaminated fish from Lake Michigan.

12.   The number of contaminated fish advisories in Georgia have soared in recent years, which state environmental officials attribute to closer monitoring and stricter standards.

13.   The reports raised fears that people downstream were eating contaminated fish or otherwise exposing themselves to dangerous levels of the chemical.

14.   Their fun, however, could be soured by eating contaminated fish, the Natural Resources Defense Council reported Wednesday.

15.   They can also be affected if the oil coats their breeding grounds, of if they eat contaminated fish.

16.   Doctors went on television asking all people who ate the contaminated fish to seek treatment immediately.

17.   Environmentalists fear many birds will be poisoned if they eat the contaminated fish.

18.   Environmentalists fear many birds will be poisoned should they eat the contaminated fish.

19.   Experts are afraid many birds will die if they eat the contaminated fish.

20.   Fearing that birds would eat the contaminated dead fish, volunteers fanned out to gather them up.

a. + fish >>共 979
big 4.18%
dead 4.03%
fresh 3.44%
small 2.95%
raw 2.23%
bigger 1.82%
grilled 1.69%
wild 1.41%
freshwater 1.31%
large 1.26%
contaminated 0.64%
contaminated + n. >>共 285
water 14.61%
food 7.04%
blood 5.16%
meat 3.89%
soil 3.49%
site 3.22%
area 2.75%
needle 2.48%
land 2.35%
beef 2.35%
fish 1.68%
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