• 2022-06-09 问题

    25℃时,水的离子积是() A: 1.00×10-14 B: 1.00×10-7 C: 1.00×1014 D: 1.00×107

    25℃时,水的离子积是() A: 1.00×10-14 B: 1.00×10-7 C: 1.00×1014 D: 1.00×107

  • 2022-06-07 问题

    -6.00/+5.00=() A: -11.00 B: -1.00 C: +1.00 D: +11.00

    -6.00/+5.00=() A: -11.00 B: -1.00 C: +1.00 D: +11.00

  • 2021-04-14 问题

    欲配制1.00 L 1.00 mol·L-1的NaCl溶液,可将58.5 g NaCl溶于1.00 L水中

    欲配制1.00 L 1.00 mol·L-1的NaCl溶液,可将58.5 g NaCl溶于1.00 L水中

  • 2022-06-12 问题

    As of today, the spot exchange rate is €1.00 = $1.60 and the rates of inflation expected to prevail for the next year in the U.S. is 2% and 3% in the euro zone. What is the one-year forward rate that should prevail? ( ) A: €1.00 = $1.6157 B: €1.6157 = $1.00 C: €1.00 = $1.5845 D: $1.00 × 1.03 = €1.60 × 1.02

    As of today, the spot exchange rate is €1.00 = $1.60 and the rates of inflation expected to prevail for the next year in the U.S. is 2% and 3% in the euro zone. What is the one-year forward rate that should prevail? ( ) A: €1.00 = $1.6157 B: €1.6157 = $1.00 C: €1.00 = $1.5845 D: $1.00 × 1.03 = €1.60 × 1.02

  • 2022-06-06 问题

    角膜曲率仪测定的水平径线为8.0mm,垂直径线为7.8mm,则散光为()。 A: —1.00*180 B: —1.00*90 C: +1.00*90 D: +1.00*180

    角膜曲率仪测定的水平径线为8.0mm,垂直径线为7.8mm,则散光为()。 A: —1.00*180 B: —1.00*90 C: +1.00*90 D: +1.00*180

  • 2022-06-07 问题

    如:-3.00×90/-4.00×180=-3.00/-1.00×180或-4.00/+1.00×90()

    如:-3.00×90/-4.00×180=-3.00/-1.00×180或-4.00/+1.00×90()

  • 2022-05-30 问题

    必然事件的概率值是() A: -1.00 B: 0.00 C: 1.00 D: 10.00

    必然事件的概率值是() A: -1.00 B: 0.00 C: 1.00 D: 10.00

  • 2021-04-14 问题

    1.00/8.00 3.60

    1.00/8.00 3.60

  • 2022-06-01 问题

    单、多层电影院、礼堂、体育馆等人员密集场所观众厅内疏散走道的净宽度不应小于()m;边走道净宽度不宜小于()m。 A: 0.80、0.80 B: 1.00、1.00 C: 1.00、0.80 D: 1.20、1.00

    单、多层电影院、礼堂、体育馆等人员密集场所观众厅内疏散走道的净宽度不应小于()m;边走道净宽度不宜小于()m。 A: 0.80、0.80 B: 1.00、1.00 C: 1.00、0.80 D: 1.20、1.00

  • 2021-04-14 问题

    A measurement establishes the position of a proton with an accuracy of 1.00 Í10-11 m. The uncertainty in the proton’s position 1.00 s later is (   )

    A measurement establishes the position of a proton with an accuracy of 1.00 Í10-11 m. The uncertainty in the proton’s position 1.00 s later is (   )

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