11.   The Bush administration is backing off its earlier inclination to consider the results of experimental tests on people in regulatory decisions on toxic pesticides.

12.   The first step would be to withdraw the most toxic pesticides.

13.   When he came home from the fields the toxic pesticide came with him.

14.   African nations need stiffer controls on the use and trade of toxic pesticides and chemicals, a U.N. report said Thursday.

15.   California already has the strictest system for regulating highly toxic pesticides.

16.   Human health would be affected by dreadful diseases if underground water contamination is not checked by minimising the use of toxic pesticides in agriculture, Quayum said.

17.   Shanghai has banned its suburban farmers from using highly toxic pesticides that have poisoned many consumers, the state-run Xinhua News Agency said Monday.

18.   The delicate but hardy butterflies have survived toxic pesticides, Hurricane Andrew and swarms of predatory birds.

19.   The leader of a banana workers movement who took on a U.S. company for using toxic pesticide has been shot to death in Honduras, authorities said Monday.

20.   The presence of DDT and heptachlor residues indicates that the contraband highly toxic pesticides are still being used indiscriminately, the study said.

a. + pesticide >>共 161
chemical 8.05%
toxic 6.61%
natural 4.60%
dangerous 3.74%
agricultural 3.45%
spraying 2.87%
used 2.30%
organophosphate 2.30%
synthetic 2.01%
new 2.01%
toxic + n. >>共 351
waste 14.38%
chemical 14.10%
substance 8.05%
gas 5.44%
fume 5.11%
material 3.60%
effect 2.25%
metal 1.76%
emission 1.63%
site 1.59%
pesticide 0.94%
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