考研优美英语作文的背诵032
<p> <span word="Botany">Botany</span></p><p> <span word="Botany">Botany</span>, the study of plants, occupies a peculiar position in thehistory of human knowledge. For many thousands of years it was the one field of awareness about which humans hadanything more than the vaguest of insights. It is impossible to know todayjust what our Stone Age ancestors knew about plants, but from what we canobserve of preindustrial societies that still exist a detailed learning of plants and their properties must be extremely ancient. This is logical. Plants are the basis of the foodpyramid for all living things even for other plants. They have always beenenormously important to the welfare of people not only for food, but also forclothing, weapons, tools, dyes, medicines, shelter, and a great many otherpurposes. Tribes living today in the jungles of the Amazonrecognize literally hundreds of plants and know many properties of each.To them, botany, as such, has no name and is probably not evenrecognized as a special branch of knowledgeat all.</p><p> <span word="Unfortunately">Unfortunately</span>, <span word="the">the</span> <span word="more">more</span> <span word="industrialized">industrialized</span> <span word="we">we</span> <span word="become">become</span> <span word="thefarther">thefarther</span> <span word="away">away</span> <span word="we">we</span> <span word="move">move</span> <span word="from">from</span> <span word="direct">direct</span> <span word="contact">contact</span> <span word="with">with</span> <span word="plants">plants</span>, <span word="and">and</span> <span word="the">the</span> <span word="lessdistinct">lessdistinct</span> <span word="our">our</span> <span word="knowledge">knowledge</span> <span word="of">of</span> <span word="botany">botany</span> <span word="grows">grows</span>. <span word="Yet">Yet</span> <span word="everyone">everyone</span> <span word="comes">comes</span> <span word="unconsciously">unconsciously</span> <span word="on">on</span> <span word="an">an</span> <span word="amazing">amazing</span> <span word="amount">amount</span> <span word="of">of</span> <span word="botanical">botanical</span> <span word="knowledge">knowledge</span>, <span word="and">and</span> <span word="few">few</span> <span word="people">people</span> <span word="will">will</span> <span word="fail">fail</span> <span word="to">to</span> <span word="recognize">recognize</span> <span word="a">a</span> <span word="rose">rose</span>, <span word="anapple">anapple</span>, <span word="or">or</span> <span word="an">an</span> <span word="orchid">orchid</span>. <span word="When">When</span> <span word="our">our</span> <span word="Neolithic">Neolithic</span> <span word="ancestors">ancestors</span>, <span word="living">living</span> <span word="in">in</span> <span word="the">the</span> <span word="Middle">Middle</span></p><p> <span word="East">East</span> <span word="about">about</span> 10, 000 <span word="years">years</span> <span word="ago">ago</span>, <span word="discovered">discovered</span> <span word="that">that</span> <span word="certain">certain</span> <span word="grassescould">grassescould</span> <span word="be">be</span> <span word="harvested">harvested</span> <span word="and">and</span> <span word="their">their</span> <span word="seeds">seeds</span> <span word="planted">planted</span> <span word="for">for</span> <span word="richer">richer</span> <span word="yields">yields</span> <span word="the">the</span> <span word="next">next</span> <span word="season">season</span> <span word="the">the</span> <span word="first">first</span> <span word="great">great</span> <span word="step">step</span> <span word="in">in</span> <span word="a">a</span> <span word="new">new</span> <span word="association">association</span> <span word="of">of</span> <span word="plantsand">plantsand</span> <span word="humans">humans</span> <span word="was">was</span> <span word="taken">taken</span>. <span word="Grains">Grains</span> <span word="were">were</span> <span word="discovered">discovered</span> <span word="and">and</span> <span word="from">from</span> <span word="them">them</span> <span word="flowedthe">flowedthe</span> <span word="marvel">marvel</span> <span word="of">of</span> <span word="agriculture">agriculture</span>: <span word="cultivated">cultivated</span> <span word="crops">crops</span>. <span word="From">From</span> <span word="then">then</span> <span word="on">on</span>, <span word="humans">humans</span> <span word="wouldincreasingly">wouldincreasingly</span> <span word="take">take</span> <span word="their">their</span> <span word="living">living</span></p>
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