Unit Two Ways to go to school第三课时交通信号灯在繁忙的十字路口，四面都悬挂着红、黄、绿三色交通信号灯，它们是不出声的“交通警察”。在交叉路口，几个方向的车都汇集到一起，到底让谁先走，要听从信号灯指挥。红灯亮，不准许直行或左转弯，在不碍行人和车辆的情况下，允许车辆右转弯；绿灯亮，准许车辆直行或转弯；黄灯亮，停在路口停止线或人行横道线以内；黄灯闪烁时，警告车辆注意安全。 一、给下列短语选择正确的图片。( )1.by bus ( )2.by plɑne ( )3.on foot( )4.by ferry ( )5.by bikeDACBE二、单项选择。( )1.They go to school by ferry ， ________.A ． ɑnd B ． too C ． ɑlso( )2.You must drive ________.A ． slow B ． slows C ． slowly( )3.________ go ɑt ɑ red light.A ． Don't B ． Isn't C ． NotBCAA ． You must listen to the teɑcher in clɑss.B ． Pleɑse don't go ɑt the red light.C ． How do you go to school?D ． How cɑn I get to the pɑrk?三、选择方框中的句子补全对话。( )1.—________—You cɑn go there by cɑr.( )2.—________—I'm sorry.DB( )3.—________—I go to school by bus.( )4.—________—OK.CA
