阅读理解 A —Don’t follow too closely. B— Keep distance C— Accident area D— Road closed E— Road work ahead F— Two-way traffic G— One-way traffic H— Bend ahead I— Bus lane J— Electronic toll collection (ETC) K— Service area L— No passing M— No parking N— Dead end O— No horn P—Falling rocks Q—Slow down at exit
填空题 1单向行驶 2事故多发区
填空题 1电子收费 2小心岩石滑落
填空题 1前方弯道 2服务区
填空题 1保持车距 2公交车专用车道
填空题 1禁止鸣号 2前方道路封闭