资源描述：
《【解题训练】2016考研英语阅读文章精细分析4》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、2016考研英语阅读文章精细分析2015年4月份到来了，各位学子在新的学期应做好新规划，也就是说进入考研复习基础阶段的黄金时期，各位学子一定要抓住这段黄金期学技巧，学方法，逐步提高自己的英语基础水平。考研英语基础阶段的主要任务是攻克词汇和语法长难句。但是背单词是各位考生最为头疼的事情。与此同时，长难句由于缺乏语境也很难理解。面对此种情况，万学海文为各位学子推荐一种轻松记忆单词和长难句的好方法。在这个阶段，各位学子可以认真研读1994-2003年的真题，从真题中汲取营养，攻克词汇和语法长难句。7月份之前，如果各位考生能够将10年47
2、篇文章做到精读，相信大家的词汇和语法长难句一定会有大的突破，并且为强化阶段的学习奠定坚实的基础。基础阶段精读复习方法及步骤：1快速浏览选项，把握文章主题2精读各段落，攻克词汇和语法长难句3作答题目，理解文章含义4翻译全文，再次巩固复习词汇和语法长难句下面我们为各位学子精细分析1994年Text4“Ihavegreatconfidencethatbytheendofthedecadewe’llknowinvastdetailhowcancercellsarise,”saysmicrobiologistRobertWeinberg,a
3、nexpertoncancer.“But,”hecautions,“Somepeoplehavetheideathatonceoneunderstandsthecauses,thecurewillrapidlyfollow.ConsiderPasteur.Hediscoveredthecausesofmanykindsofinfections,butitwasfiftyorsixtyyearsbeforecureswereavailable.”Thisyear,50percentofthe910,000peoplewhosuffe
4、rfromcancerwillsurviveatleastfiveyears.Intheyear2000,theNationalCancerInstituteestimates,thatfigurewillbe75percent.Forsomeskincancers,thefive-yearsurvivalrateisashighas90percent.Butothersurvivalstatisticsarestilldiscouraging—13percentforlungcancer,and2percentforcancer
5、ofthepancreas(胰腺).Withasmanyas120varietiesinexistence,discoveringhowcancerworksisnoteasy.Theresearchersmadegreatprogressintheearly1970s,whentheydiscoveredthatoncogenes,whicharecancer-causinggenes(基因),areinactiveinnormalcells.Anythingfromcosmicraystoradiationtodietmaya
6、ctivateadormantoncogene,buthowremainsunknown.Ifseveraloncogenesaredrivenintoaction,thecell,unabletoturnthemoff,becomescancerous.Theexactmechanismsinvolvedarestillmysterious,butthelikelihoodthatmanycancersareinitiatedatthelevelofgenessuggeststhatwewillneverpreventallca
7、ncers.“Changesareanormalpartoftheevolutionaryprocess,”saysoncologistWilliamHaywar.Environmentalfactorscanneverbetotallyeliminated;asHaywardpointsout,“Wecan’tprepareamedicineagainstcosmicrays.”Theprospectsforcure,thoughstilldistant,arebrighter.“First,weneedtounderstand
8、howthenormalcellcontrolsitself.Second,wehavetodeterminewhethertherearealimitednumberofgenesincellswhicharealwaysresponsiblef
