No one can deny that pesticides have improved the ability of farmers to bring their crops to market. (1)_____ pesticides, farmers no longer have to worry that they will lose an entire crop (2)_____ an army of cut Worms or fruit flies. (3)_____, Americans can rely on a large and varied food supply. However, we Americans need to become more (4)_____ about the effects those pesticides on our food. More (5)_____, we need to think about what new (6)_____ is necessary to protect ourselves from a (7)_____ too rich in Pesticide residue. If we don't demand greater (8)_____ on pesticide use, we may be surprised, dismayed, and (9)_____ horrified by the consequence of its use. On the most obvious level, farm workers who continue to use the pesticides (10)_____ their present rate will (11)_____ serious diseases. It's no (12)_____ that farmers (13)_____ to herbicides have a six times greater risk of getting cancer. (14)_____, children who live in homes where pesticides are used have an increased chance of getting childhood leukemia(白血病). But the farmers are not the only ones (15)_____ risk. Consumers may also suffer serious side effects from daily (16)_____ of foods tainted(污染) by pesticides. Although scientists have yet to prove the link (17)_____, they are concerned that pesticide use may be one reason for the startling increase in various forms of cancer like breast and colon(结肠) cancers. We need new legislation that (18)_____ stricter standards governing pesticide residues in food. Much of the current legislation is based on ignorance. Simply (19)_____, we allow high levels of carcinogens in our food because we don't know for sure that they do cause cancer in humans. Yet, why should we take the risk? If there's a chance that a pesticide causes cancer, then it should be (20)_____ from use.