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    With sufficient scientific information a manned trip to Mars should be . A. obtainable B. potential C. considerable D. feasible 【查看更多】

     

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    With sufficient scientific information a manned trip to Mars should be _____.

    A. obtainable B. potential C. considerable D. feasible

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    With sufficient scientific information a manned trip to Mars should be _____.

    A. obtainable    B. potential    C. considerable     D. feasible

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    With sufficient scientific information a manned trip to Mars should be _____.

    A. obtainable       B. potential       C. considerable D. feasible

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     With sufficient scientific information a manned trip to Mars should be ________
    A. obtainable       B. potential       C. considerable D. feasible

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     With sufficient scientific information a manned trip to Mars should be ________

    A. obtainable       B. potential       C. considerable D. feasible

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