China Naming Network - Feng Shui knowledge< - Weather in Chaonan District
Weather in Chaonan District
∵ Options A, B and C may or may not occur, which is an uncertain event, that is, a random event, so it is an error.
∴: There is only an answer D to an event. Take out a ball from a bottle that only contains white balls. The ball taken out is a white ball.
So choose D.