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
by bus ( )2
by plɑne ( )3
on foot( )4
by ferry ( )5
by bikeDACBE二、单项选择
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
—________—You cɑn go there by cɑr
—________—I'm sorry
DB( )3
—________—I go to school by bus
—________—OK
