单选题We learn from the passage that ______.A all living things on the earth depend on the sun for their foodB a forest looks dark in winter because it absorbs solar energyC only 0.023 of the energy from the sun is made use of on the earthD greenhouse gases
题目
单选题
We learn from the passage that ______.
A
all living things on the earth depend on the sun for their food
B
a forest looks dark in winter because it absorbs solar energy
C
only 0.023 of the energy from the sun is made use of on the earth
D
greenhouse gases allow heat energy to escape from the earth’ s surface