27.
Plant scientists have used genetic engineering on seeds to produce crop plants that are highly resistant to insect damage. Unfortunately, the seeds themselves are quite expensive, and the plants require more fertilizer and water to grow well than normal ones. Thus, for most farmers the savings on pesticides would not compensate for the higher seed costs and the cost of additional fertilizer. However, since consumer demand for grains, fruits, and vegetables grown without the use of pesticides continues to rise, the use of genetically engineered seeds of this kind is likely to become widespread.
In the argument given, the two portions in boldface play which of the following roles?
(A) The first supplies a context for the argument; the second is the argument's main conclusion.
(B) The first introduces a development that the argument predicts will have a certain outcome; the second is a state of affairs that the argument denies will be part of that outcome.
(C) The first presents a development that the argument predicts will have a certain outcome; the second acknowledges a consideration that weighs against that prediction.
(D) The first provides evidence to support a prediction that the argument seeks to defend; the second is that prediction.
(E) The first and the second each provide evidence to support the argument's main conclusion.
A为什么不对呢？第二个的确包含main conclusion啊。答案是C，C说 the argument predicts will have a certain outcome，可是整个结论不是要以however后的为主么？前面不是他预测的后果吧，自己后面又反驳了的，那预测的就该是become widespread吧？
盼望牛牛回复！！！分析的不错. agree you.
我也同意,同时我对A的看法是.
A 选项后半部说第二部分是结论,而这段或不仅有结论(the use of genetically engineered seeds of this kind is likely to become widespread. )并且同时也说了支持结论的原因.所以A 的说法是片面的
我也同意,同时我对A的看法是.
A 选项后半部说第二部分是结论,而这段或不仅有结论(the use of genetically engineered seeds of this kind is likely to become widespread. )并且同时也说了支持结论的原因.所以A 的说法是片面的
原来是这样，可以理解A为什么不对了。
up..
今天在prep上做到这题, boldface部分如下:
Plant scientists have used genetic engineering on seeds to produce crop plants that are highly resistant to insect damage. Unfortunately, the seeds themselves are quite expensive, and the plants require more fertilizer and water to grow well than normal ones. Thus, for most farmers the savings on pesticides would not compensate for the higher seed costs and the cost of additional fertilizer.
However, since consumer demand for grains, fruits, and vegetables grown without the use of pesticides continues to rise, the use of genetically engineered seeds of this kind is likely to become widespread.
所以A错. B的denies错
上面的黑体和破解版不同，估计是谁做到prep那个官方发来的版本里面的题目吧？
gmat不是通常有很多题目 ，内容相同黑体部分划的不一样：）
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