2022年三年级英语上册 How were traffic lights born教案 人教新版

2022年三年级英语上册 How were traffic lights born教案 人教新版Traffic lights are very important to us,I think you know this.交通灯是对我们非常重要,我认为你知道这一点。But do you know how they were born? 但是你知道他们是如何诞生的吗?Gerret.A.Morgan was the father of traffic lights.He was American.Gerret.A.Morgan是交通灯之父。他是美国人。Morgan was born in 1875.His family was very poor.摩根出生于1875年。他家非常穷。He left school at the age of 14. He was very clever.他14岁的时候离开学校。他很聪明。He always looked for better ways to do things.他总是寻找更好的方法来做些事。And he likes to make new things.他喜欢制作新东西。At that time , every American wanted to have a car.在那个时候,每个美国人都想有一辆车。Streets were full of cars.The traffic was really bad.街道上到处是汽车。交通非常糟糕。“Why not put three lights at cach street corner?为什么不在街头安装三盏灯呢？They should be red,green and yellow.”Morgan said,它们应该是红、绿、黄三种颜色。摩根说。Let them tell cars to go or stop.He made timer to change the lights.让它们告诉汽车去还是停止。他做了定时器改变灯。问题：（ ）1、Traffic lights are very _ to us. A. important B.new C.old D.poor（ ）2、Gerret.A.Morgan was the _ of traffic lights. A. mother B.sister C.grandfather D.father（ ）3、Let _ tell cars to go or stop. A. red light B. blue and yellow light C. green and yellow light. D. both A and C（ ）4、Streets were full of _. A. people B. shops C. traffic lights D.cars（ ）5、The _ lights stop the cars. A.traffic B.red C.green D.yellow