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题目材料：
If the annual commercial energy usage for lighting is $$w$$ units of energy, which of the following is closest to the annual commercial energy usage for refrigeration, in the same units of energy?
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A.$$0.03w$$
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B.$$0.14w$$
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C.$$0.26w$$
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D.$$0.35w$$
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E.$$0.42w$$
B显示答案
