46According to the passage, which is the best solution to energy problems?
(A)Improving conservation efforts
(B)Inventing fuel-free appliances and vehicles
(C) Increasing the efficiency of appliances and vehicles
(D) Searching for alternative energy sources
詳解 (共 3 筆)
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The three most commo...
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The three most comm...
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根據該段落,這是能源問題的最佳解決方案?...