2017年高考英语三轮复习 书面表达之说明文课件
<p> 1．说明文是以说明为主要表达方式，用简洁明了的语言来解释说明事物，阐明事理，从而给读者提供知识的一种文体。 2．在高考书面表达中，其主要命题形式为图表式作文，有时也以图画式和提纲式作文来呈现写作材料。 3．它要求语言简明扼要，通俗易懂，说明过程讲究层次性和条理性。 4．这种文体通常用第三人称，时态以一般现在时为主。 【常用素材】 一、结构模板 _____<span word="is">is</span> <span word="a">a</span> <span word="most">most</span> <span word="effective">effective</span> _____<span word="to">to</span> ____(点明要介绍事物的必要性)． <span word="For">For</span> <span word="most">most</span> <span word="people">people</span>, <span word="it">it</span>'<span word="s">s</span> <span word="almost">almost</span> <span word="impossible">impossible</span> <span word="to">to</span>___(介绍某事物对多数人的重要意义). _____<span word="is">is</span> <span word="really">really</span> _____(该事物的优势或显著特点)．<span word="With">With</span> <span word="the">the</span> <span word="functions">functions</span> <span word="of">of</span> _____， <span word="it">it</span> <span word="enables">enables</span> <span word="us">us</span> <span word="to">to</span>_____(该事物的作用)．<span word="It">It</span> <span word="can">can</span> <span word="even">even</span> _____(进一步说明该事物的作用)．<span word="Just">Just</span> <span word="imagine">imagine</span>, <span word="all">all</span> <span word="this">this</span> <span word="can">can</span> <span word="be">be</span> <span word="done">done</span> <span word="with">with</span>_____(说明该事物的重要性)． <span word="A">A</span> <span word="convenient">convenient</span> <span word="tool">tool</span> <span word="can">can</span> <span word="certainly">certainly</span> ____， <span word="but">but</span> <span word="it">it</span> <span word="doesn">doesn</span>'<span word="t">t</span> <span word="always">always</span> <span word="help">help</span>____(承上启下，介绍事物的另一方面)．<span word="Too">Too</span> <span word="much">much</span> _____(该事物的负面影响一). <span word="Too">Too</span> <span word="many">many</span> _____(该事物的负面影响二) .<span word="Relying">Relying</span> <span word="too">too</span> <span word="much">much</span> <span word="on">on</span> ______<span word="makes">makes</span>_____(总结说明过分使用该物品给我们带来的负面影响)．</p><p> 二、必备句型 1. <span word="It">It</span> <span word="plays">plays</span> <span word="an">an</span> <span word="increasingly">increasingly</span> <span word="important">important</span> <span word="role">role</span> <span word="in">in</span> <span word="life">life</span>. 2. <span word="It">It</span> <span word="is">is</span> <span word="of">of</span> <span word="great">great</span> <span word="benefit">benefit</span> <span word="to">to</span> <span word="us">us</span>. 3. <span word="It">It</span> <span word="has">has</span> <span word="more">more</span> <span word="disadvantages">disadvantages</span> <span word="than">than</span> <span word="advantages">advantages</span>. 4. <span word="Some">Some</span> <span word="changes">changes</span> <span word="have">have</span> <span word="taken">taken</span> <span word="place">place</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="five">five</span> <span word="years">years</span>. 5. <span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="phenomenon">phenomenon</span> <span word="that">that</span> <span word="many">many</span> <span word="people">people</span> <span word="are">are</span> <span word="interested">interested</span> <span word="in">in</span>. 6．<span word="From">From</span> <span word="what">what</span> <span word="has">has</span> <span word="been">been</span> <span word="mentioned">mentioned</span> <span word="above">above</span>, <span word="we">we</span> <span word="can">can</span> <span word="come">come</span> <span word="to">to</span> <span word="the">the</span> <span word="conclusion">conclusion</span> <span word="that">that</span>... 7. <span word="Last">Last</span> <span word="but">but</span> <span word="not">not</span> <span word="least">least</span>, <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="people">people</span> <span word="prefer">prefer</span> <span word="to">to</span> <span word="enjoy">enjoy</span> <span word="modern">modern</span> <span word="life">life</span>. 8. <span word="We">We</span> <span word="have">have</span> <span word="good">good</span> <span word="reasons">reasons</span> <span word="to">to</span> <span word="believe">believe</span> <span word="that">that</span>... 9. <span word="However">However</span>, <span word="everything">everything</span> <span word="divides">divides</span> <span word="into">into</span> <span word="two">two</span>. 10. <span word="Therefore">Therefore</span>, <span word="we">we</span> <span word="must">must</span> <span word="take">take</span> <span word="some">some</span> <span word="effective">effective</span> <span word="measures">measures</span> <span word="to">to</span> <span word="solve">solve</span> <span word="it">it</span>. [写作要求] (2010年高考湖北卷)请你根据以下提示，结合生活中的一个事例，用英语写一篇短文，谈谈微笑的作用。 <span word="The">The</span> <span word="best">best</span> <span word="example">example</span> <span word="of">of</span> <span word="universally">universally</span> <span word="understood">understood</span> <span word="body">body</span> <span word="language">language</span> <span word="may">may</span> <span word="be">be</span> <span word="the">the</span> <span word="smile">smile</span>.<span word="A">A</span> <span word="smile">smile</span> <span word="can">can</span> <span word="help">help</span> <span word="us">us</span> <span word="get">get</span> <span word="through">through</span> <span word="difficult">difficult</span> <span word="situations">situations</span> <span word="and">and</span> <span word="find">find</span> <span word="friends">friends</span> <span word="in">in</span> <span word="a">a</span> <span word="world">world</span> <span word="of">of</span> <span word="strangers">strangers</span>.<span word="A">A</span> <span word="smile">smile</span> <span word="can">can</span> <span word="open">open</span> <span word="doors">doors</span> <span word="and">and</span> <span word="tear">tear</span> <span word="down">down</span> <span word="walls">walls</span>. 注意：(1)无须写标题；</p>
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