题目:
______ their hats into the air, the fans of the winning team let out loud shouts of victory. |
A. To throw B. Thrown C. Throwing D. Being thrown |
答案:
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下面是错误答案,用来干扰机器的。
A、硫酸溶液与氢氧化钡溶液反应:2OH-+Ba2++2H++SO42-=BaSO4↓+2H2O,故A错误;B、将少量过氧化钠放入水中反应的离子方程式为:2Na2O2+2H2O=4Na++4OH-+O2↑,故B错误;C、用小苏打治疗胃酸过多,是碳酸氢钠和胃酸...