破解考研英语2500障碍词(1)
<p> 英语中很多词可以同时具有两个或两个以上的词性，各词性之间的意思有的有些关联也有的毫无关联。例如<span word="cement">cement</span>作名词用是水泥的意思，而在<span word="Its">Its</span> <span word="difficult">difficult</span> <span word="to">to</span> <span word="cement">cement</span> <span word="a">a</span> <span word="good">good</span> <span word="working">working</span> <span word="relationship">relationship</span> <span word="between">between</span> <span word="employers">employers</span> <span word="and">and</span> <span word="employees">employees</span>.这个句子中，<span word="cement">cement</span>作动词用是连接，巩固的意思。再如，<span word="content">content</span>这个词有三个词性，分别是名词，形容词和动词，作不同词性时意思也不尽相同。所以在复习单词时要注意单词词性的变化及其相应的词义。</p><p> 本书第一章善变的多词性词着重讲解具有多个词性的单词，每个单词各个词性及其词义都予以详细讲解，通过相应的例证说明词性用法的变化，考生复习时要注意例句，因为词性不同，词在句中的用法就会不同，所以只有注意区分词性才能正确掌握使用这些词，同时还要注意词义之间的潜在关联，这样可有助于记忆。下面节选部分供大家参看。</p><p> <span word="adolescent">adolescent</span></p><p> <span word="n">n</span>.青少年</p><p> <span word="In">In</span> <span word="retrospect">retrospect</span>, <span word="I">I</span> <span word="was">was</span> <span word="much">much</span> <span word="happier">happier</span> <span word="as">as</span> <span word="an">an</span> <span word="adolescent">adolescent</span> <span word="with">with</span> <span word="simple">simple</span> <span word="and">and</span> <span word="vague">vague</span> <span word="dreams">dreams</span>.</p><p> 现在回想起来，青少年时的我要快乐得多，那时候我有着单纯、朦胧的梦想。</p><p> <span word="As">As</span> <span word="diet">diet</span> <span word="and">and</span> <span word="health">health</span> <span word="improved">improved</span>, <span word="children">children</span> <span word="and">and</span> <span word="adolescents">adolescents</span> <span word="have">have</span>, <span word="on">on</span> <span word="average">average</span>, <span word="increased">increased</span> <span word="in">in</span> <span word="height">height</span> <span word="by">by</span> <span word="about">about</span> <span word="an">an</span> <span word="inch">inch</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="every">every</span> 20 <span word="years">years</span>, <span word="a">a</span> <span word="pattern">pattern</span> <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="secular">secular</span> <span word="trend">trend</span> <span word="in">in</span> <span word="height">height</span>.随着饮食和健康的改善，每过20年儿童和青少年的身高会平均增长大约1.5英寸，这就是我们所知的身高增长的长期趋势模式。</p>
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