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
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试题解析
根据第一段Sunlight also provides the energy used by green plants to make their own food，阳光给绿色植物提供能量使其生产自己的食物，故选A。
