英语常用同义词的辨析D
<p>要求：学会人体器官、血液和细菌的形状和特征的描述。</p><p>本章要点：</p><p>1.表示形状的句型：</p><p>1)名词+<span word="be">be</span>+<span word="shaped">shaped</span> <span word="like">like</span> +名词</p><p>表示某器官或物体的形状象，或呈形。</p><p>例：<span word="The">The</span> <span word="heart">heart</span> <span word="is">is</span> <span word="shaped">shaped</span> <span word="like">like</span> <span word="a">a</span> <span word="cone">cone</span>. 心脏呈圆锥形。</p><p>2)名词+<span word="be">be</span> +名词-<span word="shaped">shaped</span> + 名词</p><p>表示某个器官或物体是个形状的器官(或物体)。</p><p>例：<span word="The">The</span> <span word="diaphragm">diaphragm</span> <span word="is">is</span> <span word="a">a</span> <span word="dome">dome</span>-<span word="shaped">shaped</span> <span word="organ">organ</span>. 膈是一个圆顶状的器官。</p><p>3)名词+<span word="be">be</span>+<span word="a">a</span>(<span word="n">n</span>)+形容词+<span word="organ">organ</span></p><p>也表示某器官或某物体是形状的器官或物体。</p><p>例：<span word="The">The</span> <span word="small">small</span> <span word="intestine">intestine</span> <span word="is">is</span> <span word="a">a</span> <span word="long">long</span>, <span word="tubular">tubular</span> <span word="organ">organ</span>. 小肠是长管形器官。</p><p>2.表示特征的句型：</p><p>名词+<span word="be">be</span>+形容词</p><p>表示某器官或某物体具有特征(或作用)。</p><p>例：<span word="Monocytes">Monocytes</span> <span word="are">are</span> <span word="phagocytic">phagocytic</span>. 单核细胞具有吞噬作用。</p><p><span word="Some">Some</span> <span word="tissues">tissues</span> <span word="are">are</span> <span word="elastic">elastic</span>. 一些组织具有弹性。</p><p>3.用于比较和对照的连接词：</p><p>1)<span word="bothand">bothand</span></p><p>例：<span word="Both">Both</span> <span word="erythrocytes">erythrocytes</span> <span word="and">and</span> <span word="leucocytes">leucocytes</span> <span word="are">are</span> <span word="flexible">flexible</span>. 红细胞和白细胞都具有伸缩性。</p><p>2)<span word="neithernor">neithernor</span></p><p>例：<span word="Neither">Neither</span> <span word="erythrocytes">erythrocytes</span> <span word="nor">nor</span> <span word="leucocytes">leucocytes</span> <span word="are">are</span> <span word="adhesive">adhesive</span>. 红细胞和白细胞没有粘着性。</p>
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