硫代硫酸钠溶液与稀硫酸反应的化学方程式为Na2S2O3+H2SO4===Na2SO4+SO2↑+S↓+H2O,下列各组实验中最先出现浑浊的是 实验反应温度/℃Na2S2O3溶液稀H2SO4H2O V/mLc/mol·L-1V/mLc/mol·L-1V/mL A2550.1100.15 B2550.250.210 C3530.250.212 D3580.1100.12 A. A B. B C. C D. D 答案:【答案】D --Hi, Johnson, I'm thinking of taking five courts in literature next term. --Well, wouldn't four be __________? A. wiser B. wise C. the wisest D. the wiser