Brainstorming originated in ancient India. It means that when thinking encounters special obstacles, you should quickly leave the habit of thinking and think about the problem from other aspects. Now refers to some intellectual questions that can't be answered by the usual way of thinking. Brainstorming covers a wide range: educational, funny, mathematical, adult and so on. Brainstorming is a kind of entertainment and a popular word game.

1, a small comma rides on dad to install a light bulb. Why do you let dad wander around?

2. What kind of books are appetizing?

3. Why do humans walk upright?

Answer:

1, spiral bulb, which needs to be installed by rotation.

2, recipes

3. In order to save a pair of shoes.