师:“待人接物”这个成语怎么解释?生:就是待在家里,等待接受别人的礼物。师:怎样理解“天下兴亡,匹夫有责”? 生:皮肤是人体第一道防御屏障,若皮肤破损就容易感染,病人一多,国家建设就无法进行了。所以天下兴亡,匹夫有责。师:“头悬梁,锥刺股”是怎么回事?生:古代有个人不好好学习,考试总是不及格,他妈妈就生气地用锥子刺他的屁股,他 Teacher: “Pei Rendang ” how to explain this idiom? Health: is staying at home, waiting to accept the gift of others. Teacher: How to Understand “Everybody is responsible for the rise and fall of the world?” Health: The skin is the first defensive barrier to the human body. If the skin is damaged, it will be easily infected. If the patient is over, the state can not be built. Therefore, the rise and fall of the world, every man responsible. Teacher: “Head cantilever, Cone sting stock ” is how the matter? Students: ancient people do not study hard, the exam always fails, his mother angrily pricked his ass, he