2017高考英语人教版一轮学案：必修三 Unit4Astronomy： the science of the stars
<p> <span word="Unit">Unit</span>4 <span word="Astronomy">Astronomy</span>： <span word="the">the</span> <span word="science">science</span> <span word="of">of</span> <span word="the">the</span> <span word="stars">stars</span></p><p> 1、 <span word="harmful">harmful</span> <span word="adj">adj</span>.根据语境猜词义</p><p> (1) <span word="Fruit">Fruit</span> <span word="juices">juices</span> <span word="can">can</span> <span word="be">be</span>_<span word="harmful">harmful</span>_<span word="to">to</span> <span word="children">children</span>'<span word="s">s</span> <span word="teeth">teeth</span>.</p><p> (2) <span word="Many">Many</span> <span word="households">households</span> <span word="products">products</span> <span word="are">are</span> <span word="potentially">potentially</span> <span word="harmful">harmful</span>.</p><p> 根据语义找匹配：<span word="A">A</span>. 有害的 <span word="B">B</span>. 危害</p><p> (1) <span word="A">A</span> (2) <span word="B">B</span></p><p> <span word="harm">harm</span> <span word="n">n</span>. 伤害；</p><p> 损害 <span word="vt">vt</span>. 伤害……；</p><p> 损害……</p><p> <span word="harmless">harmless</span> <span word="adj">adj</span>. 无害的；</p><p> 无恶意的</p><p> <span word="do">do</span> <span word="sb">sb</span>. <span word="harm">harm</span> ＝ <span word="do">do</span> <span word="harm">harm</span> <span word="to">to</span> <span word="sb">sb</span>. 对某人有害</p><p> <span word="be">be</span> <span word="harmful">harmful</span> <span word="to">to</span> 对……有害</p><p> <span word="It">It</span> <span word="does">does</span> <span word="no">no</span> <span word="harm">harm</span> <span word="to">to</span> <span word="do">do</span> <span word="sth">sth</span>. /<span word="There">There</span> <span word="is">is</span> <span word="no">no</span> <span word="harm">harm</span> (<span word="in">in</span>) <span word="doing">doing</span> <span word="sth">sth</span>. 不妨做某事</p><p> <span word="It">It</span> <span word="wouldn">wouldn</span>'<span word="t">t</span> <span word="do">do</span> <span word="sb">sb</span>. <span word="any">any</span> <span word="harm">harm</span> <span word="to">to</span> <span word="do">do</span> <span word="sth">sth</span>. 做某事对某人并无害处</p><p> <span word="No">No</span> <span word="harm">harm</span> <span word="done">done</span>! (对别人做错事的一种劝慰) 没事儿！ 不要紧！</p><p> 单词拼写</p><p> (1) <span word="Your">Your</span> <span word="smoking">smoking</span> <span word="may">may</span> <span word="be">be</span> <span word="harmful">harmful</span> (有害) <span word="to">to</span> <span word="the">the</span> <span word="health">health</span> <span word="of">of</span> <span word="your">your</span> <span word="baby">baby</span>.</p><p> (2) <span word="The">The</span> <span word="storm">storm</span> <span word="has">has</span> <span word="done">done</span> <span word="great">great</span> <span word="harm">harm</span> (有害) <span word="to">to</span> <span word="the">the</span> <span word="crops">crops</span>.</p><p> (3) <span word="The">The</span> <span word="dog">dog</span> <span word="seems">seems</span> <span word="fierce">fierce</span>, <span word="but">but</span> <span word="actually">actually</span> <span word="he">he</span>'<span word="s">s</span> <span word="harmless">harmless</span>.</p><p> 2、<span word="prevent">prevent</span> <span word="v">v</span>.</p><p> 根据语境猜词义</p><p> (1) <span word="The">The</span> <span word="heavy">heavy</span> <span word="rain">rain</span> <span word="prevented">prevented</span> <span word="us">us</span> (<span word="from">from</span>) <span word="going">going</span> <span word="to">to</span> <span word="school">school</span>.</p><p> (2) <span word="They">They</span> <span word="have">have</span> <span word="been">been</span> <span word="prevented">prevented</span> <span word="by">by</span> <span word="the">the</span> <span word="traffic">traffic</span> <span word="jam">jam</span> <span word="from">from</span> <span word="going">going</span> <span word="there">there</span> <span word="on">on</span> <span word="time">time</span>.</p><p> 根据语义找匹配：<span word="A">A</span>. 阻碍 <span word="B">B</span>. 阻止</p>
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