• 2021-04-14
    carnival [5kB:nivEl]
  • n. 狂欢节, 饮宴狂欢

    内容

    • 0

      Maker Carnival A: 创客嘉年华 B: 创客之家

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      It's said that the Carnival of Venice was started from a victory of the Republic of Venice in the year 1162.

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      renaissance ( ) A: burial B: revival C: earlier time D: carnival E: fortune

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      3-在水溶液中共轭酸碱对()Ka()与()Kb()的关系是()------------------()()(A)()Ka()·()Kb=1()(B)()Ka()·()Kb=Kw(C)Ka/Kb=Kw()(D)()Kb/Ka=KwA.()Ka·Kb=1()B.()Ka·Kb=Kw()C.()Ka/Kb=Kw()D.()Kb/Ka=Kw

    • 4

      某弱酸HA的KaƟ = 2×10-5,则A-的KbƟ为( ) A: 5×10-6 B: 5×10-3 C: 5×10-10 D: 2×10-5