+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
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
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
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
-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
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
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
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
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