2017届高考英语一轮复习课件：必修5 Unit4《Making the news》（新人教版福建专用）
<p> 在学会写句的基础上，就可以开始学习如何将句子有序地连贯起来，这就组成了段落。段落是构成语篇的基础。 1. 段落的基本结构</p><p> 段落(<span word="Paragraph">Paragraph</span>)是由阐述同一主题紧密相关的若干句子组成，是一则语意完整、和谐统一的语篇。一般说来，一个段落由3部分组成：主题句、扩展句和结论句。主题句提出论述的主题，扩展句利用必要的细节对主题加以论证说明，结论句总结全文，在论证的基础上得出结论。三者相辅相成，按逻辑顺序安排句子，并通过一些过渡句，构成一篇完整的短文。 <span word="On">On</span> <span word="Safety">Safety</span></p><p> ①<span word="Accidents">Accidents</span> <span word="are">are</span> <span word="today">today</span>'<span word="s">s</span> <span word="most">most</span> <span word="frequent">frequent</span> <span word="cause">cause</span> <span word="of">of</span> <span word="death">death</span> <span word="in">in</span> <span word="Children">Children</span>. ②<span word="Accidents">Accidents</span> <span word="occur">occur</span> <span word="to">to</span> <span word="children">children</span> <span word="in">in</span> <span word="all">all</span> <span word="sorts">sorts</span> <span word="of">of</span> <span word="places">places</span> — <span word="at">at</span> <span word="home">home</span>, <span word="on">on</span> <span word="the">the</span> <span word="street">street</span>, <span word="at">at</span> <span word="school">school</span>, <span word="on">on</span> <span word="public">public</span> <span word="playgrounds">playgrounds</span>, <span word="at">at</span> <span word="places">places</span> <span word="to">to</span> <span word="swim">swim</span>, <span word="and">and</span> <span word="on">on</span> <span word="camping">camping</span> <span word="trips">trips</span>. ③<span word="There">There</span> <span word="are">are</span> <span word="now">now</span> <span word="many">many</span> <span word="more">more</span> <span word="chances">chances</span> <span word="for">for</span> <span word="accidents">accidents</span> <span word="than">than</span> <span word="there">there</span> <span word="used">used</span> <span word="to">to</span> <span word="be">be</span>.</p><p> ④<span word="Automobiles">Automobiles</span>, <span word="power">power</span> <span word="tools">tools</span>, <span word="electric">electric</span> <span word="wiring">wiring</span>, <span word="and">and</span> <span word="easy">easy</span> <span word="ways">ways</span> <span word="of">of</span> <span word="starting">starting</span> <span word="fire">fire</span> <span word="are">are</span> <span word="some">some</span> <span word="examples">examples</span>. ⑤<span word="Most">Most</span> <span word="accidents">accidents</span> <span word="are">are</span> <span word="caused">caused</span> <span word="by">by</span> <span word="carelessness">carelessness</span>. ⑥<span word="A">A</span> <span word="great">great</span> <span word="deal">deal</span> <span word="of">of</span> <span word="effort">effort</span> <span word="should">should</span> <span word="be">be</span> <span word="taken">taken</span> <span word="to">to</span> <span word="let">let</span> <span word="children">children</span> <span word="know">know</span> <span word="the">the</span> <span word="importance">importance</span> <span word="of">of</span> <span word="safety">safety</span>. ⑦<span word="Safety">Safety</span> <span word="is">is</span> <span word="everyone">everyone</span>'<span word="s">s</span> <span word="business">business</span>. <span word="On">On</span> <span word="Safety">Safety</span></p><p> 分析：在这一段落中，句①即为主题句，阐述段落的中心思想；句②，③，④，⑤和⑥为发展句，列举原因、例子等来丰富和阐明中心思想；句⑦为结尾句，与主题句相呼应，概括该段落的真正含义。 2. 段落的主题句</p>
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