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     Whichofthefollowingdoespaperburnin?      A.CO2    ...

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问题详情:

     Whichofthefollowingdoespaperburnin?      A.CO2    ...

      Which of the following does paper burn in?

       A. CO2                        B. N2                           C. He                    D. O2

【回答】

D

知识点:其他

题型:选择题

标签:ACO2