63, certain pesticides can become ineffective if used repeatedly in the same place; one reason is suggested by the finding that there are much larger populations of pesticide degrading microbes in soils with a relatively long history of pesticide use than in soils that are free of such chemicals. 此为原句, 正确.
(E) the finding of much larger populations of pesticide degrading microbes in soils with a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain that pesticides can become ineffective if used repeatedly in the same place.
OG 对 E 错选项的分析
The comparison " the finding of much larger populations,,, than in those that" is improperly constructed so that the meaning of " the finding", or the research result, is distorted into that of the discovery.
