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求新概念2,64课作文的答案!
The Channel Tunnel
The tunnel,which the French engineer,Aime Thome,planned to build under the English Channel in 1858,would be ventilated by tall chimneys built above sea level.An Englishman,William Lowe,suggested a better plan two years later.Passing trains would solve the problem of ventilation in his proposed double railway-tunnel because they would draw in fresh air behind them.Though work began forty-two years later,it was stopped because the British feared invasion.However,the tunnel was officially opened on March 7,1994.
The tunnel,which the French engineer,Aime Thome,planned to build under the English Channel in 1858,would be ventilated by tall chimneys built above sea level.An Englishman,William Lowe,suggested a better plan two years later.Passing trains would solve the problem of ventilation in his proposed double railway-tunnel because they would draw in fresh air behind them.Though work began forty-two years later,it was stopped because the British feared invasion.However,the tunnel was officially opened on March 7,1994.