标题: verbal review 2nd SC 59 请帮忙分析 [打印本页] 作者: vetch 时间: 2010-3-31 22:18 标题: verbal review 2nd SC 59 请帮忙分析 59） Certain pesticides can become ineffective if used repeatedly in the same place: onereason is suggested bythe finding that there are much larger populations of pesticide-degrading microbes in soilswith a relatively long history of pesticide use than in soils that are free of such chemicals.<br> (A) Certain pesticidescan 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.<br> (8) If used repeatedly in the same place, one reason that certain pesticides can become ineffective is suggested by the finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long historyof pesticide use than in soils that are free of such chemicals.<br> (C) If used repeatedly in the same place, one reason certain pesticides can become ineffective is suggested by the finding that much larger populations of pesticide-degradingmicrobes are found in soils with a relatively long history of pesticide usethan those that are free of such chemicals.<br> (D) The finding that there are much larger populations of pesticide-degrading microbes in soils with a relatively long historyof pesticide use than in soils that are free of such chemicals is suggestiveof one reason, if used repeatedly in the same place, certain pesticides can become ineffective.<br> (E) Thefinding of much larger populations of pesticide-degrading microbes in soilswith a relatively long history of pesticide use than in those that are free of such chemicals suggests one reason certain pesticides can become ineffective if used repeatedly in the same place<br><br>
从语法结构来说，为什么不能写成， if you are rich, one reason that she can marry you is suggested by the finding that she's really in need of money. <br><br> 而写成，she can marry you if you are rich； one reason is suggested by the finding that ... 显得很好罗索。。。。 请指点，我的理解错在哪里呢？作者: vetch 时间: 2010-3-31 22:22
我突然明白了，问题的关键是， if used。。。“useded” 的逻辑主语时pesticides，而不是reason。