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Task 4 A — Don’t follow too closely. J — Electronic toll collection (ETC) B — Keep distance K — Service area C — Accident area L— No passing D — Road closed M — No parking E — Road work ahead N — Dead end F — Two-way traffic O — No horn G — One-way traffic P — Falling rocks H — Bend ahead Q — Slow down at exit I — Bus lane Examples: (Q) 出口慢行 (M)禁止泊车