[填空题]Where do pesticides (杀虫剂) fit into the picture of environmental disease We have seen that they now (36) soil, water, and food, that they have the power to make our streams fishless and our gardens and woodlands (37) and birdless. Man, however much he may like to pretend the contrary, is part of nature. Can he escape a pollution that is now so thoroughly (38) throughout our world
We know that even single (39) to these chemicals, if the amount is large enough, can cause extremely severe poisoning. But this is not the major problem. The sudden illness or death of farmers, farm workers and others exposed to (40) quantities of pesticides is very sad and should not occur. For the population as a whole, we must be more concerned with the delayed effects of absorbing small amounts of the pesticides that (41) pollute our world.
Responsible public health officials have pointed out that the biological effects of

[填空题]Where do pesticides fit into the picture of environmental disease We
have seen that they now pollute soil, water and food, that they have the
power to make our stream fishless and our gardens and woodlands silent 41 ______
and birdless. Man, however much he may like to pretend the contrary, is
part of nature. Can he escape a pollution is now so thoroughly 42 ______
distributed throughout our world
We know that even single exposures to these chemicals, if the amount is
large enough, can lead extremely severe poisoning. But this is not the major 43 ______
problem. The sudden illness or death of farmers, farm workers, and others
exposed to sufficient quantities of pesticides are very sad and should not occur. 44 ______
For the population as whole, we must be more concerned with the delayed 45 ______
effects of absorbing small amounts of the pesticides that visibly pollute 46 ______
our world.
Responsib

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