The International Dark-Sky Association means to protect the darkness of the night sky.
举一反三
- Prior to the formation of a tornado,_________. A: the sky is cloudy B: the sky is very dark C: the sky is cloudless D: a black line stretches across the horizon
- Lighting the dark sky for a few seconds.
- Within the painting there is the night sky filled with clouds.
- Which of the following is an opinion? A: There are clouds in the sky. B: The sky is blue. C: I think it will rain. D: It has not rained this month.
- Given the following scripts， what output would be generated？（） A: The sky is red. B: The sky is blue. C: The sky is green. D: The sky is yellow.