Atenção: Para responder às questões de números 21 a 25, considere o texto abaixo.
One can infer from the text that
although the “deep bore” method is not constrained by the street grid, it usually follows it.
passengers prefer “deep bore” subway stations because they are more modern and accessible.
subway construction with the “deep bore” method is barely noticeable on the surface.
Toronto and New York subway stations cost about $150 million.
deep boring machines work very fast and can build tunnels in several shapes.
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