标题: JJ逻辑-农药原题 [打印本页] 作者: liberal00 时间: 2011-8-15 19:45 标题: JJ逻辑-农药原题 It is crucially importantto farmers that the herbicides they use to control weeds not damage theircrops. One very effective herbicide is safe for corn, but soybeans are damagedeven by the herbicide’s residue, which remains in the soil more than a yearafter the herbicide is applied. Soybeans and corn are not sown together in thesame filed; nevertheless, most farmers are reluctant to use the herbicide ontheir corn. Which of the following,if true, provides the strongest justification for the farmers’ reluctance?
A. The residue of the herbicide in the soil a year afterapplication is not enough to control most weeds effectively. B. To maintain the nutrients in the soil, corn and soybeansare often planted in a field in alternate years. C. The demand for soybeans is growing faster than is thedemand for corn. D. For maximum yield, soybean plants are grown closer togetherto each other than are corn plants. E. The application of herbicides is less critical for soybeanthan for corn crops.作者: 645791135 时间: 2011-8-15 19:52
是选ａ吗作者: liberal00 时间: 2011-8-15 19:53
C。。作者: patrickcgx 时间: 2011-8-15 19:54
是选B作者: leonjhz 时间: 2011-8-15 19:58
B啊 这题我在逻辑狗狗那个帖子里贴出来了,作者: sevenmiles 时间: 2011-8-15 19:58
答案很明显是B哈作者: liberal00 时间: 2011-8-15 20:11
sry~~看走眼了，是第二个