高三英语冲刺复习演练13

《高三英语冲刺复习演练13》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、www.ks5u.com第10练　阅读理解＋七选五Ⅰ.阅读理解ATherisingprogresshasmadepositiveandnegativeimpactsontheplanet.AgingAgingisthecollectiveprocessthroughwhichanorganismundergoeslotsofchangesoverthecourseofitslifetime.Inhumans，agingbringswithitbodyandorganweaknessandment

2、aldecline.Scientistshaveresearchedsomeorganisms.However，theexactprocessremainsamystery.AgricultureTheever－growinghumanpopulationalongwiththerecentpopulationexplosionhascausedadramaticincreaseinthedemandforfoodcrops.Onewaycanbebyupgradingtheagricultur

3、alpracticesoffarmers.Anotherwayistoresearchandproducenewervarietiesofthesefoodcrops.AntibioticResistanceWiththeappearanceofanti－microbial，numerousdiseaseshavebeenprevented.Infectionsthatwouldhaveprovenfatalafewdecadesagoarenowtakencareof.Butwithtoomu

4、chuseofantimicrobialsolutions，theinfectiousorganismsevolveandadapttoovercomethesesubstances，asthestrengthandefficiencyoftheseantibioticsevolvesduetomedicalresearch.Aninfectioncausedbysuchanorganismisnotonlyuntreatable，butalsoprovestobefatal.CancerMet

5、astasisCancer，ortumor，istheconditionofuncontrolledandabnormaldivisionofbodycells.Thesecellshavethepotentialtospreadtootherpartsofthebody，andspreadthecancer.Therearetwotypesoftumors—benignandmetastatic.Thebenigntumorcanbeeasilyremovedbysurgery.However

6、，ifthecellsturnmetastatic，thatistheygaintheabilitytomovetootherpartsofthebodythroughthebloodstream，thetumorissaidtobemetastatic.Notonlyisthisconditionwithoutacure，buttheprocessbywhichitoccursisalsonotknownindetail.Researchhastobecarriedouttodetermine

7、theprocess.Researchonanyofthesetopicswillpromotetheunderstandingofbiologicalprocesses，andhelphumansinimprovingtheirqualityoflife.【语篇解读】　本文叙述了在生物学方面值得大力研究的四个方面。1．Researchhastobefocusedontheprocessof________．A．agricultureandantibioticresistanceB．aginga

8、ndantibioticresistanceC．agricultureandcancermetastasisD．agingandcancermetastasis答案　D　[细节理解题。根据Aging中的“However，theexactprocessremainsamystery”和CancerMetastasis的“Researchhastobecarriedouttodeterminetheprocess”可知答案。]2．Whatcontributestoantibioticresistan