英语阅读中考真题二十篇（英语阅读拓展训练）
暑假过后，新初三生们迎来了初中最重要的一年——初三。为方便年中考考生及家长查询相关信息，中考频道特别搜集汇总了中考英语知识点以供参考：
Botany
Botany,thestudyofplants,occupiesapeculiarpositioninthehistoryofhumanknowledge.Formanythousandsofyearsitwastheonefieldofawarenessaboutwhichhumanshadanythingmorethanthevaguestofinsights.ItisimpossibletoknowtodayjustwhatourStoneAgeancestorsknewaboutplants,butformwhatwecanobserveofpre-industrialsocietiesthatstillexistadetailedlearningofplantsandtheirpropertiesmustbeextremelyancient.Thisislogical.Plantsarethebasisofthefoodpyramidforalllivingthingsevenforotherplants.Theyhavealwaysbeenenormouslyimportanttothewelfareofpeoplenotonlyforfood,butalsoforclothing,weapons,tools,dyes,medicines,shelter,andagreatmanyotherpurposes.TribeslivingtodayinthejunglesoftheAmazonrecognizeliterallyhundredsofplantsandknowmanypropertiesofeach.Tothem,botany,assuch,hasnonameandisprobablynotevenrecognizedasaspecialbranchof“knowledge”atall.
Unfortunately,themoreindustrializedwebecomethefartherawaywemovefromdirectcontactwithplants,andthelessdistinctourknowledgeofbotanygrows.Yeteveryonecomesunconsciouslyonanamazingamountofbotanicalknowledge,andfewpeoplewillfailtorecognizearose,anapple,oranorchid.WhenourNeolithicancestors,livingintheMiddleEastabout10,000yearsago,discoveredthatcertaingrassescouldbeharvestedandtheirseedsplantedforricheryieldsthenextseasonthefirstgreatstepinanewassociationofplantsandhumanswastaken.Grainswerediscoveredandfromthemflowedthemarvelofagriculture:cultivatedcrops.Fromthenon,humanswouldincreasinglytaketheirlivingfromthecontrolledproductionofafewplants,ratherthangettingalittlehereandalittletherefrommanyvarietiesthatgrewwild-andtheaccumulatedknowledgeoftensofthousandsofyearsofexperienceandintimacywithplantsinthewildwouldbegintofadeaway.
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