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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.128-129

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.126-127

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1E_科學_ CH5_作業_ P.35-36_講解

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1E_科學 _CH5.3_能源_書_ P. 125

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1E_科學 _CH5.3_能源_書_ P. 123-124

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1A_ SCIENCE_CH5_WB_P.35-36_Guide to do

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.125

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1A_ SCIENCE_CH5.3_Energy sources_Bk_P.123-124

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1C_SCJ_Ch.5_WBP.43-44_feedback_13

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