《六上册第二单元课件》由会员分享,可在线阅读,更多相关《六上册第二单元课件(9页珍藏版)》请在金锄头文库上搜索。
They are traffic lights.What colors the traffic lights have?redyellowgreenWhat colour is the traffic light?Can you guess?What does the red light mean?Stop at a red lightWhat colour is the traffic light?What should we do when the traffic light is green?Go at a green lightWhat color is the traffic light ?What should we do when the traffic light is yellow?Wait at a yellow lightWhat are they?Stop at a red lightGo at a green lightWait at yellow lightThey are traffic rules.