红红和兰兰正在一起美美地吃着乖乖脆果和小鱼多这些膨化食品。看着一袋袋形如“小枕头”似的小食品,突然红红对袋中的气体产生了兴趣,她们二人决定做个小科学家,揭秘一下袋中的气体。【提出问题】“小枕头”中的气体是什么呢?红红和兰兰思考后分别对袋中气体作出了不同的猜想。 Red and Lan Lan is the United States and the United States to eat good and crisp crispy fish and more of these puffed food. Looking at a small pouch-like “little pillow” like snacks, suddenly red on the bag of gas interest, they decided to be a small scientist, revealing the bag of gas. [Ask a question] What is the gas in “Little Pillow”? After thinking of red and Lan Lan, they made different conjectures on the gas in the bag.