• 2022-06-04 问题

    综合验光度数为:+5.00/-1.00×170,软镜度数是 A: +4.25 B: +4.50 C: +4.75 D: +5.00

    综合验光度数为:+5.00/-1.00×170,软镜度数是 A: +4.25 B: +4.50 C: +4.75 D: +5.00

  • 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

  • 2022-06-17 问题

    眼镜处方+3.50+1.00*170的另一种处方表示为() A: A+2.50+1.00*170 B: B+2.50-1.00*80 C: C+4.50+1.00*80 D: D+4.50-1.00*80

    眼镜处方+3.50+1.00*170的另一种处方表示为() A: A+2.50+1.00*170 B: B+2.50-1.00*80 C: C+4.50+1.00*80 D: D+4.50-1.00*80

  • 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

  • 2022-05-30 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

    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

  • 2022-06-07 问题

    -5.00-1.00×15/+4.00+2.00×15=() A: -1.00-1.00×105 B: -1.00×15 C: -1.00-1.00×15 D: -1.00×105

    -5.00-1.00×15/+4.00+2.00×15=() A: -1.00-1.00×105 B: -1.00×15 C: -1.00-1.00×15 D: -1.00×105

  • 2022-06-19 问题

    (0.1000×25.00-0.1000×24.10)×100.1÷2 = ( )。 A: 4.5045 B: 4.504 C: 4.50 D: 4.5

    (0.1000×25.00-0.1000×24.10)×100.1÷2 = ( )。 A: 4.5045 B: 4.504 C: 4.50 D: 4.5

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