I heard you created a new song. Could you sing it?

  Karl was at home with his brother Michael and his sister Addy．As he ____(推)the window open, he saw a big panda in the backyard．He ____(大喊)to Michael．Michael ____(回答)that pandas should be in the ____(森林)．Then they went out, the panda was already there talking to Addy．The panda said he was sorry that he flew here with his umbrella ____(没有)____(敲门)on the____(门)．The next day, Addy walked____(往)the panda's house with a gift．In ____(返回), the panda told Addy a story  ____(在……上面)a tree．And the panda also told Karl another story after they played games．That's the story in the book Zen Shorts．

小明同学对“木炭燃烧和木片燃烧及其现象有什么不同”进行了探究．

探究步骤：①分别在空气中点燃木片和木炭，观察到的现象：

木炭燃烧：____ ；

木片燃烧：____ 

②在火焰上方分别罩一个冷而干燥的小烧杯，发现红热木炭上方罩的烧杯壁上没有水雾，将烧杯倒转过来，迅速向烧杯内倒入少量澄清石灰水，振荡，石灰水变浑浊，说明木炭燃烧没有生成____ ，生成了____ ．而罩在木片火焰上方的烧杯内有水雾产生，倒转过来，向烧杯内倒入少量澄清石灰水，振荡，石灰水变浑浊，说明木片燃烧既产生了____ ，又产生了____ ，由此得出的结论是：木片和木炭的成分____（填“相同”或“不同”）．