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
-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
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
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
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
某轴对于基准轴线的径向全跳动误差为0.08mm,则该轴对于此基准轴线的同轴度误差( )。 A: 大于等于0.08 B: 小于等于0.08 C: 等于0.08 D: 小于等于0.08 或大于等于0.08
某轴对于基准轴线的径向全跳动误差为0.08mm,则该轴对于此基准轴线的同轴度误差( )。 A: 大于等于0.08 B: 小于等于0.08 C: 等于0.08 D: 小于等于0.08 或大于等于0.08
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()
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
包晶反应的碳含量范围是() A: 0.08〈C〈0.17 B: 0.08〈C〈0.15 C: 0.08〈C〈0.12 D: 0.07〈C〈0.12
包晶反应的碳含量范围是() A: 0.08〈C〈0.17 B: 0.08〈C〈0.15 C: 0.08〈C〈0.12 D: 0.07〈C〈0.12
1.00/8.00 3.60
1.00/8.00 3.60