【专四听力满分突破】打雷
<p> 选材规范、标准演练;循序渐进、梯度提升;题量丰富、有效提高;技巧同步、一语中的;缩略速记，全面覆盖。 <span word="The">The</span> <span word="cause">cause</span> <span word="of">of</span> <span word="thunder">thunder</span> <span word="has">has</span> <span word="been">been</span> <span word="a">a</span> <span word="subject">subject</span> <span word="of">of</span> <span word="discussion">discussion</span> <span word="for">for</span> <span word="a">a</span> <span word="long">long</span> <span word="time">time</span>. <span word="In">In</span> <span word="the">the</span> <span word="third">third</span> <span word="century">century</span> <span word="BC">BC</span>, <span word="it">it</span> <span word="was">was</span> <span word="believed">believed</span> <span word="that">that</span> 1.__________. <span word="However">However</span>, <span word="the">the</span> <span word="most">most</span> <span word="accepted">accepted</span> <span word="theory">theory</span> <span word="was">was</span> <span word="developed">developed</span> <span word="in">in</span> <span word="the">the</span> 20<span word="th">th</span> <span word="century">century</span>. <span word="According">According</span> <span word="to">to</span> <span word="this">this</span> <span word="theory">theory</span>, <span word="the">the</span> <span word="bolts">bolts</span> <span word="of">of</span> <span word="lightning">lightning</span> <span word="are">are</span> <span word="very">very</span> <span word="hot">hot</span>, 2.__________. <span word="When">When</span> <span word="this">this</span> <span word="high">high</span> <span word="temperature">temperature</span> <span word="bolt">bolt</span> <span word="hits">hits</span> <span word="the">the</span> <span word="surrounding">surrounding</span> <span word="air">air</span>, <span word="there">there</span> <span word="is">is</span> 3.__________, <span word="sending">sending</span> <span word="out">out</span> <span word="a">a</span> <span word="shock">shock</span> <span word="wave">wave</span>, <span word="which">which</span> <span word="we">we</span> <span word="hear">hear</span> <span word="as">as</span> <span word="a">a</span> <span word="sound">sound</span> <span word="of">of</span> <span word="explosion">explosion</span>. <span word="Thus">Thus</span>, <span word="thunder">thunder</span> <span word="is">is</span> <span word="caused">caused</span> 4.__________, <span word="near">near</span> <span word="the">the</span> <span word="stroke">stroke</span> <span word="of">of</span> <span word="lightning">lightning</span> 5.____________. <span word="In">In</span> <span word="case">case</span> <span word="that">that</span> <span word="you">you</span> <span word="are">are</span> <span word="outside">outside</span> <span word="during">during</span> <span word="a">a</span> <span word="thunderstorm">thunderstorm</span>, <span word="it">it</span> <span word="is">is</span> <span word="advisable">advisable</span> <span word="to">to</span> <span word="avoid">avoid</span> <span word="open">open</span> <span word="fields">fields</span>, <span word="beaches">beaches</span> <span word="and">and</span> <span word="lakes">lakes</span> <span word="and">and</span> <span word="also">also</span> 6.__________. <span word="The">The</span> <span word="safest">safest</span> <span word="way">way</span> <span word="is">is</span> <span word="to">to</span> 7.__________ <span word="or">or</span> <span word="stay">stay</span> <span word="in">in</span> <span word="the">the</span> <span word="car">car</span>. 注意填横线处的短句，一行一个短句。</p><p> <span word="thunder">thunder</span> <span word="is">is</span> <span word="caused">caused</span> <span word="due">due</span> <span word="to">to</span> <span word="collision">collision</span> <span word="of">of</span> <span word="clouds">clouds</span> <span word="much">much</span> <span word="hotter">hotter</span> <span word="than">than</span> <span word="the">the</span> <span word="surface">surface</span> <span word="of">of</span> <span word="the">the</span> <span word="sun">sun</span> <span word="an">an</span> <span word="instant">instant</span> <span word="expansion">expansion</span> <span word="of">of</span> <span word="the">the</span> <span word="air">air</span> <span word="due">due</span> <span word="to">to</span> <span word="rapid">rapid</span> <span word="heating">heating</span> <span word="and">and</span> <span word="cooling">cooling</span> <span word="of">of</span> <span word="the">the</span> <span word="air">air</span> <span word="Thunder">Thunder</span> <span word="can">can</span> <span word="be">be</span> <span word="dangerous">dangerous</span> <span word="stay">stay</span> <span word="away">away</span> <span word="from">from</span> <span word="tall">tall</span> <span word="trees">trees</span> <span word="get">get</span> <span word="inside">inside</span> <span word="your">your</span> <span word="home">home</span></p><p> </p>
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