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專項提能計劃閱讀理解(三),科普類 (2011高考陜西卷D)Ever since they were first put on the market in the early 1990s,genetically modified (GM,轉(zhuǎn)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 (潛力) of any crop.In fact,studies show that the most widely grown GM crop,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 (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 Christison,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 indeed 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 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 classification Bby comparison Cby example Dby process,C,58What does the underlined word “boost” in the third paragraph probably mean? AControl. BEvaluate. CObtain. DIncrease.a,D,59GM companies promise farmers that they will benefit from_. Apractising “green” farming Buse of less chemicals Cfair distribution of their crops Dusing more crops for fuel,B,60Which of the following best describes the attitude of the author towards GM technology? AOptimistic. BDefensive. CDisapproving. DCasual.,C,破題思路 本文對轉(zhuǎn)基因食品展開了論述。轉(zhuǎn)基因食品曾經(jīng)被認為能夠解決世界糧食危機,但現(xiàn)在看來,轉(zhuǎn)基因食品非但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,那么解決世界糧食問題的出路在哪里呢?,疑難剖析 Another 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(jié)構(gòu)較為復雜。首先主句中使用了that引導的賓語從句,從句是一個because引導的原因狀語從句,在原因狀語從句中又使用了“介詞amongwhich”引導的定語從句。,句意:另一個世界銀行的報告得出結(jié)論認為轉(zhuǎn)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,因為還有更好的方法,其中綠色農(nóng)業(yè)被認為是第一選擇。,名師支招 了解文章結(jié)構(gòu)、熟悉文章體裁、整合相關
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