中国的“四大发明”无人不知,无人不晓。它们常常团结协作,帮助人类。但是,今天,它们吵架了,想比一比谁的功劳大。造纸术说:“我觉得应该按使用范围来比。全国各地都少不了我。”印刷术在一旁嘟哝道:“有你也少不了我,没我,你只能当废品。我觉得应该按个数来比。”在一旁的火药也坐不住了, China “Four Inventions ” nobody knows, nobody knows. They often work together to help people. However, today, they quarrel, who want more than one credit. Papermaking said: “I think it should be more than the use of the scope of the whole country and ultimately, I am.” “Typography aside muttered:” There are you and me, no me, you can only be scrapped. I think it should According to the number of than. “” Side of the gunpowder also sit still,