(2)对于推测出作者接下来要叙述的事件将要发表的观点题，同学们要在正确理解篇章内容的基础上对文章的发展作出合理的推断。这些推断往往不是凭空臆断，同学们需要重点依据篇章最后一段(特别是最后一句话)作出判断。作者总会给读者充分的证据对文章的发展进行推测：或是说明了两个对象中的一个；或是只讲了区别，没讲联系；或是只给出了理论解释，而缺少事例的证明。

　　实例透析

　　1.(2011·陕西卷·D)Ever since they were first put on the market in the early 1990s，genetically modified (GM，转基因) foods have been increasingly developed and marketed in many countries in the world，mainly on the basis of their promise to end the worldwide food crisis.But can GM technology solve world hunger problems? Even if it would，is it the best solution?

　　Despite what it promises，GM technology actually has not increased the production potential (潜力) of any crop.In fact，studies show that the most widely grown GM crops，GM soybeans，has suffered reduced productivity.For instance，a report that analysed nearly two decades of research on major GM food crops shows that GM engineering has failed to significantly increase US crop production.

　　Something else，however，has been on the rise.While GM seeds are expensive，GM companies tell farmers that they will make good profits by saving money on pesticides(杀虫剂).On the contrary，US government data show that GM crops in the US have produced an overall increase in pesticide use compared to traditional crops.“The promise was that you could use less chemicals and boost production.But neither is true，” said Bill Christison，President of the US National Family Farm Coalition.

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