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1、專項提能計劃專項提能計劃閱讀理解（三）閱讀理解（三）科普類科普類(2011高考陜西卷高考陜西卷D)Ever since they were first put on the market in the early 1990s，genetically modified (GM,轉基因轉基因) 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.B
2、ut 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 (潛力潛力) of any crop.In fact，studies show that the most widely grown GM crop，GM soybeans，has suffered reduced productivi
3、ty.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 p
4、rofits by saving money on pesticides (殺蟲劑殺蟲劑)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 Christ
5、ison,President of the US National Family Farm Coalition.At the same time，the authors of the book World Hunger：Twelve Myths argue that there actually is more than enough food in the world and that the hunger crisis is not caused by production，but by problems in food distribution and politics.These in
6、deed deserve our efforts and money.Meanwhile，the rise in food prices results from the increased use of crops for fuel rather than food，according to a 2008 World Bank report.As a matter of fact，scientists see better ways to feed the world.Another World Bank report concluded that GM crops have little
7、to offer to the challenges of worldwide poverty and hunger，because better ways out are available，among which “green” farming is supposed to be the first choice.57The author develops the second paragraph mainly_.Aby classificationBby comparisonCby exampleDby processC58What does the underlined word “b
8、oost” in the third paragraph probably mean?AControl. BEvaluate. CObtain. DIncrease.aD59GM companies promise farmers that they will benefit from_.Apractising “green” farmingBuse of less chemicalsCfair distribution of their cropsDusing more crops for fuelB60Which of the following best describes the at
9、titude of the author towards GM technology?AOptimistic. BDefensive. CDisapproving. DCasual.C破題思路破題思路本文對轉基因食品展開了論述。轉基本文對轉基因食品展開了論述。轉基因食品曾經被認為能夠解決世界糧食因食品曾經被認為能夠解決世界糧食危機，但現在看來，轉基因食品非但危機，但現在看來，轉基因食品非但沒有解決預期的問題，卻帶來了諸多沒有解決預期的問題，卻帶來了諸多的問題，引發(fā)了更多的爭議，那么解的問題，引發(fā)了更多的爭議，那么解決世界糧食問題的出路在哪里呢？決世界糧食問題的出路在哪里呢？疑難剖析疑難剖析An
10、other World Bank report concluded that GM crops have little to offer to the challenges of worldwide poverty and hunger，because better ways out are available，among which “green” farming is supposed to be the first choice.(Paragraph 5)該句為復合句，結構較為復雜。首先該句為復合句，結構較為復雜。首先主句中使用了主句中使用了that引導的賓語從句，引導的賓語從句，從句是
11、一個從句是一個because引導的原因狀語引導的原因狀語從句，在原因狀語從句中又使用了從句，在原因狀語從句中又使用了“介詞介詞amongwhich”引導的定語引導的定語從句。從句。句意：另一個世界銀行的報告得出結句意：另一個世界銀行的報告得出結論認為轉基因作物對于解決世界范圍論認為轉基因作物對于解決世界范圍的貧窮和饑餓沒有多大的幫助，因為的貧窮和饑餓沒有多大的幫助，因為還有更好的方法，其中綠色農業(yè)被認還有更好的方法，其中綠色農業(yè)被認為是第一選擇。為是第一選擇。名師支招名師支招了解文章結構、熟悉文章體裁、整合了解文章結構、熟悉文章體裁、整合相關信息是提高考生閱讀題目準確性相關信息是提高考生閱讀題目準確性的關鍵。的關鍵。這篇文章屬科普類文章，介紹了轉基這篇文章屬科普類文章，介紹了轉基因農業(yè)的相關情況。因農業(yè)的相關情況。文章第二段第一句就表達了作者的基文章第二段第一句就表達了作者的基調調轉基因農業(yè)沒有增加農業(yè)產量。轉基因農業(yè)沒有增加農業(yè)產量。最后一段第一句說科學家找到了更好的最后一段第一句說科學家找到了更好的方法來給人類提供食物。可見作者對轉方法來給人類提供食物。可見作者對轉基因持不認可的態(tài)度，這樣基因持不認可的態(tài)度，這樣60題的答案題的答案就顯而易見了。就顯而易見了。
山東省高考英語一輪總復習 專項提能計劃閱讀理解課件（三） 新人教版
