实用英语写作技巧之二，主题句简介
<p>第二单元 主题句简介</p><p>2.1主题句</p><p>作者的首要任务是让读者知道所写段落要谈的是什么，这就是每段的主题句的作用。因此主题句应该阐明段落的主要思想，所有支持主题句的细节和描述都与这一主要思想有关。</p><p>2.2主题句的形式</p><p>主题句通常有以下三种形式：</p><p>1)肯定句(<span word="Affirmative">Affirmative</span> <span word="Sentence">Sentence</span>)</p><p><span word="Example">Example</span>： <span word="The">The</span> <span word="need">need</span> <span word="for">for</span> <span word="wildlife">wildlife</span> <span word="protection">protection</span> <span word="is">is</span> <span word="greater">greater</span> <span word="now">now</span> <span word="than">than</span> <span word="ever">ever</span> <span word="before">before</span>.</p><p>2)反诘句(<span word="Rhetorical">Rhetorical</span> <span word="Sentence">Sentence</span>)</p><p><span word="Example">Example</span>： <span word="How">How</span> <span word="do">do</span> <span word="you">you</span> <span word="think">think</span> <span word="people">people</span> <span word="will">will</span> <span word="solve">solve</span> <span word="the">the</span> <span word="problem">problem</span> <span word="of">of</span> <span word="wildlife">wildlife</span> <span word="protection">protection</span>?</p><p>3)不完整句(<span word="Fragments">Fragments</span>)</p><p><span word="Example">Example</span>： <span word="And">And</span> <span word="the">the</span> <span word="workingman">workingman</span>?</p><p>初学者最好使用肯定句作为主题句。</p><p>2.3主题句的位置</p><p>主题句出现的位置有以下四种情况：</p><p>1)段首(<span word="At">At</span> <span word="the">the</span> <span word="beginning">beginning</span>)</p><p>主题句经常居于段首，以便读者浏览主题句就可掌握文章的概要。这个位置适用于写提供信息或解释观点的段落。</p><p>2)段末(<span word="At">At</span> <span word="the">the</span> <span word="end">end</span>)</p><p>用推理方法展开段落时，主题句往往位于句末。</p><p>3)段中(<span word="In">In</span> <span word="the">the</span> <span word="middle">middle</span>)</p><p>有时为了使段落多样化，主题句也可以居于段中。</p><p>4)隐含(<span word="Implied">Implied</span>)</p>
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