在森林小学里,鸟老师正准备给鸟学生们上课,他拿出一块上面画有鸟笼和皮弹弓的黑板挂在树枝上,然后清清嗓子对小鸟们说:“同学们,现在人类在大量捕杀我们,我们应该学会自我保护。今天,我们先来认识两样捕捉我们的工具。”老师用教棒点点黑板,“这左边的是笼子……”老师还没说完,一只小鸟站了起来,“这是鸟笼,我听我妈妈说过,它是用来关我们的。人们常常会在里面放上一些我们爱吃的东西,若我们嘴馋,进去后,笼门就会关起来,从此,我们就没有自由了。”“没错,这位同学说得很对,不过,贪吃被关进茏子只是一种情况,还有一种情况是——”鸟老师顿了顿,“好,让我们还是先来认识认识右 At Forest Primary School, the bird teacher is preparing to give lessons to the bird pupils. He took out a blackboard with a bird cage and leather slingshot hanging on the branches and cleared his throat and said to the birds: “My classmates, now humans We should learn to protect ourselves in a mass hunt for us. Today, we first come to know two tools that capture us. ”The teacher used the stick to point the blackboard,“ This is the cage to the left ... ”The teacher did not finish, Stood up, “This is a bird cage, I heard my mother said, it is used to close us.People often put in something we love to eat, if we greedy, go in, the cage door Will be closed, and from then on, we will not be free. ”“ Yes, the classmate is right, but it is only a case of gluttony being shut up. There is another situation - Paused, ”Well, let us first understand the right