• 2022-06-07 问题

    +3.00联合-2.00=() A: -1.00 B: +5.00 C: -5.00 D: +1

    +3.00联合-2.00=() A: -1.00 B: +5.00 C: -5.00 D: +1

  • 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

  • 2022-06-09 问题

    薄荷含挥发油()。 A: 0.45%~1.00% B: 1.0%~2.5% C: 1%~2% D: 1%以上 E: 80%左右

    薄荷含挥发油()。 A: 0.45%~1.00% B: 1.0%~2.5% C: 1%~2% D: 1%以上 E: 80%左右

  • 2022-06-08 问题

    对于双原子分子理想气体Cp/Cv应为() A: 1.25 B: 1.00 C: 1.40 D: 1

    对于双原子分子理想气体Cp/Cv应为() A: 1.25 B: 1.00 C: 1.40 D: 1

  • 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

  • 2022-06-03 问题

    表达式7%(-3)的运算结果为( )。 A: -2.00 B: -1.00 C: 2 D: 1

    表达式7%(-3)的运算结果为( )。 A: -2.00 B: -1.00 C: 2 D: 1

  • 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

  • 2022-05-26 问题

    无筋扩展基础台阶宽高比的允许值对砖基础应是() A: 1:1.00 B: 1:1.25 C: 1:1.50 D: 1:1.75

    无筋扩展基础台阶宽高比的允许值对砖基础应是() A: 1:1.00 B: 1:1.25 C: 1:1.50 D: 1:1.75

  • 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

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