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    If we humans beings continue to waste and destroy natural resources without using energy, such as the energy from the sun, wind and water, our earth will be done for. A. alternative B. solar C. conventional D. recycled 【查看更多】

     

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    .If we humans beings continue to waste and destroy natural resources without using _____ energy, such as the energy from the sun, wind and water, our earth will be done for.

    A. alternative        B. solar C. conventional     D. recycled

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