1、Unit 3Care for the EarthLead-inWhich picture is more beautiful?Green earth绿色地球Gray earth 灰色地球Gray earth is so dirty(脏的).dirty(反义词）clean 干净的We live on the earth.Care for关爱“mother earth”Today we are going to learn how to care for our green earth.Look and circle What should we do？Lets learnpick flowers
2、 摘花We should not pick flowers.cut down trees 砍伐树木Cutting down trees is bad for our earth.make the air dirty污染空气The new factory makes the air dirty.waste water 浪费水Water is priceless(无价的),we should not waste water.drive a car驾驶；开车My father can drive a car.the earth地球We should protect(保护)the earth.Are these behaviors good for our earth?（行为）No,they are bad for our earth.Picking flowers and cutting down trees make our forest less and less(越来越少).Driving cars make the air dirty.We should stop these bad behaviors so that we have a good earth.Do exercisesThank you for listening!
