01背话题词块—有话可说1.avoidtrafficjams避免交通堵塞2.trafficsignal/light交通信号灯3.obey/observetrafficregulations遵守交通规则4.beaimedat针对,旨在5.be/getstuckin被困在6.breakthespeedlimit超速7.holdup耽搁,推迟8.speedup加速9.slowdown放慢速度10.setoff出发11.putone’slifeatrisk使生命置于危险之中12.runaredlight闯红灯13.ensurepeople’ssafetyontheroad确保行人的安全14.improvetrafficsaf...