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THE MOST OF THE ENERGY USED IN OUR HOMES AND FACTO...
THE MOST OF THE ENERGY USED IN OUR HOMES AND FACTORIES IS GENERAT...
LUYEN THI TOIEC 870 CAU TRAC NGHIEM
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371. The most of the energy used in our homes and factories is generated from coal, oil, and natural A B C D gas.
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371.
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LUYEN THI TOIEC 870 CAU TRAC NGHIEM