Which of the following statements is supported by the passage
A: The sun shines constantly and gives out the same amount of energy every year.
B: The cause of the sun' s fluctuations is its loss of energy with each passing year.
C: It is sure that the energy sent out by the sun will drop when more sun spots appear.
D: Fluctuations in weather patterns are the results of the pull of gravity.
A: The sun shines constantly and gives out the same amount of energy every year.
B: The cause of the sun' s fluctuations is its loss of energy with each passing year.
C: It is sure that the energy sent out by the sun will drop when more sun spots appear.
D: Fluctuations in weather patterns are the results of the pull of gravity.
举一反三
- According to the passage, it is believed that the sun （）. A: moves in a quick but steady way year after year B: sends out less and less heat and light with each passing year C: radiates the same amount of light every year D: might have a strong influence on the weather patterns
- Why is more earth's heat blocked from escaping with more carbon dioxide in the atmosphere A: Carbon dioxide prevents the sun's energy from going back into space. B: Carbon dioxide radiates the sun's energy onto the earth. C: Carbon dioxide produces more heat in the atmosphere. D: Carbon dioxide takes in the sun's energy at infra-red wavelengths.
- 中国大学MOOC: The energy that the sun radiates to earth every is equivalent to the sum of all the fossil fuel energy of the energy.
- The energy that the sun radiates to earth every is equivalent to the sum of all the fossil fuel energy of the energy A: one day B: three days C: one months D: --
- About____ of the sun's energy reaches the earth's surface. A: One -quarte B: One-third C: A half