杜老师:人教版三年级上册《玩出了名堂》中,有这样一句:他突然想到:把两片放大镜放在一起,会怎么样呢?想法后面跟的是冒号。《矛与盾的集合》中有这样一句话:在这紧张危急的关头,发明家忽然产生了一个想法:“盾太小啦!如果盾大得像个铁屋子,我钻在铁屋子里,敌人就一枪也戳不到我啦!”这个地方想法后面跟的是冒号加引号。人教版语文 Du teacher: People’s Education Piano grade three “play out of courtesy”, there is such a sentence: he suddenly thought: the two magnifying glass together, what will happen? The idea followed by a colon. In this momentous moment of urgency, the inventor suddenly came up with the idea that “the shield is too small! If the shield is as large as an iron house, I am drilling in the iron room , The enemy can not poked me a shot! ”" This place is followed by a colon plus quotation marks. PEP