2015高考英语一轮精讲教案：必修5 （10）
<p> 必修5 <span word="Unit">Unit</span> 5（2）</p><p> <span word="Remove">Remove</span> <span word="clothing">clothing</span> <span word="using">using</span> <span word="scissors">scissors</span> <span word="if">if</span> <span word="necessary">necessary</span> <span word="unless">unless</span> <span word="it">it</span> <span word="is">is</span> <span word="stuck">stuck</span> <span word="to">to</span> <span word="the">the</span> <span word="burn">burn</span>.除非衣服紧贴在烧伤面上，否则都要把衣服脱掉。如果需要的话，可以使用剪刀。</p><p> <span word="unless">unless</span>是连词，意为“除非，如果不”，引导的是一个肯定条件状语从句，从句有时可以与<span word="if">if</span>...<span word="not">not</span>...引导的否定状语从句互换。</p><p> ①<span word="It">It</span> <span word="is">is</span> <span word="known">known</span> <span word="to">to</span> <span word="all">all</span> <span word="that">that</span> <span word="unless">unless</span>_<span word="you">you</span>_<span word="exercise">exercise</span>_<span word="regularly">regularly</span>，<span word="you">you</span> <span word="won">won</span>’<span word="t">t</span> <span word="keep">keep</span> <span word="fit">fit</span>.众所周知，除非你有规律地锻炼，否则身体不会健康。</p><p> ②<span word="We">We</span> <span word="will">will</span> <span word="have">have</span> <span word="a">a</span> <span word="picnic">picnic</span> <span word="in">in</span> <span word="the">the</span> <span word="park">park</span> <span word="this">this</span> <span word="Sunday">Sunday</span> <span word="unless">unless</span> <span word="it">it</span> <span word="rains">rains</span> <span word="or">or</span> <span word="it">it</span>’<span word="s">s</span> <span word="very">very</span> <span word="cold">cold</span>.</p><p> 除非下雨或天很冷，我们将在本周日去公园野餐。</p><p> ③<span word="Unless">Unless</span>_<span word="you">you</span>’<span word="ve">ve</span>_<span word="tried">tried</span>_<span word="it">it</span>，<span word="you">you</span> <span word="can">can</span>’<span word="t">t</span> <span word="imagine">imagine</span> <span word="how">how</span> <span word="pleasant">pleasant</span> <span word="it">it</span> <span word="is">is</span>.</p><p> 除非你尝试一下，否则你无法想像那是多么令人愉快。</p><p> <span word="John">John</span> <span word="was">was</span> <span word="studying">studying</span> <span word="in">in</span> <span word="his">his</span> <span word="room">room</span> <span word="when">when</span> <span word="he">he</span> <span word="heard">heard</span> <span word="screaming">screaming</span>.约翰正在房间里学习，突然听到一声尖叫。</p><p> <span word="when">when</span>在此作并列连词用，意为“正在这时；那时”。</p><p> <span word="be">be</span> <span word="doing">doing</span>...<span word="when">when</span>...正在……这时……</p><p> <span word="be">be</span> <span word="about">about</span> <span word="to">to</span> <span word="do">do</span>...<span word="when">when</span>...正打算做……这时……</p><p> <span word="be">be</span> <span word="just">just</span> <span word="going">going</span> <span word="to">to</span> <span word="do">do</span>...<span word="when">when</span>...正要……这时……</p><p> <span word="be">be</span> <span word="on">on</span> <span word="the">the</span> <span word="point">point</span> <span word="of">of</span> <span word="doing">doing</span>...<span word="when">when</span>...正要……这时……</p><p> <span word="had">had</span> <span word="just">just</span> <span word="done">done</span>...<span word="when">when</span>刚……就在这时……</p>
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