山东省高考英语一轮总复习 专项提能计划阅读理解课件（三） 新人教版.ppt

专项提能计划 阅读理解 三 科普类 2011 高考陕西卷 d eversincetheywerefirstputonthemarketintheearly1990s geneticallymodified gm 转基因 foodshavebeenincreasinglydevelopedandmarketedinmanycountriesintheworld mainlyonthebasisoftheirpromisetoendtheworldwidefoodcrisis butcangmtechnologysolveworldhungerproblems evenifitwould isitthebestsolution despitewhatitpromises gmtechnologyactuallyhasnotincreasedtheproductionpotential 潜力 ofanycrop infact studiesshowthatthemostwidelygrowngmcrop gmsoybeans hassufferedreducedproductivity forinstance areportthatanalysednearlytwodecadesofresearchonmajorgmfoodcropsshowsthatgmengineeringhasfailedtosignificantlyincreaseuscropproduction somethingelse however hasbeenontherise whilegmseedsareexpensive gmcompaniestellfarmersthattheywillmakegoodprofitsbysavingmoneyonpesticides 杀虫剂 onthecontrary usgovernmentdatashowthatgmcropsintheushaveproducedanoverallincreaseinpesticideusecomparedtotraditionalcrops thepromisewasthatyoucoulduselesschemicalsandboostproduction butneitheristrue saidbillchristison presidentoftheusnationalfamilyfarmcoalition atthesametime theauthorsofthebookworldhunger twelvemythsarguethatthereactuallyismorethanenoughfoodintheworldandthatthehungercrisisisnotcausedbyproduction butbyproblemsinfooddistributionandpolitics theseindeeddeserveoureffortsandmoney meanwhile theriseinfoodpricesresultsfromtheincreaseduseofcropsforfuelratherthanfood accordingtoa2008worldbankreport asamatteroffact scientistsseebetterwaystofeedtheworld anotherworldbankreportconcludedthatgmcropshavelittletooffertothechallengesofworldwidepovertyandhunger becausebetterwaysoutareavailable amongwhich green farmingissupposedtobethefirstchoice 57 theauthordevelopsthesecondparagraphmainly a byclassificationb bycomparisonc byexampled byprocess c 58 whatdoestheunderlinedword boost inthethirdparagraphprobablymean a control b evaluate c obtain d increase a d 59 gmcompaniespromisefarmersthattheywillbenefitfrom a practising green farmingb useoflesschemicalsc fairdistributionoftheircropsd usingmorecropsforfuel b 60 whichofthefollowingbestdescribestheattitudeoftheauthortowardsgmtechnology a optimistic b defensive c disapproving d casual c 破题思路本文对转基因食品展开了论述 转基因食品曾经被认为能够解决世界粮食危机 但现在看来 转基因食品非但没有解决预期的问题 却带来了诸多的问题 引发了更多的争议 那么解决世界粮食问题的出路在哪里呢 疑难剖析anotherworldbankreportconcludedthatgmcropshavelittletooffertothechallengesofworldwidepovertyandhunger becausebetterwaysoutareavailable amongwhich green farmingissupposedtobethefirstchoice paragraph5 该句为复合句 结构较为复杂 首先主句中使用了that引导的宾语从句 从句是一个because引导的原因状语从句 在原因状语从句中又使用了 介词among which 引导的定语从句 句意 另一个世界银行的报告得出结论认为转基因作物对于解决世界范围的贫穷和饥饿没有多大的帮助 因为还有更好的方法 其中绿色农业被认为是第一选择 名师支招了解文章结构 熟悉文章体裁