题目：
下列实验应用中，利用中和反应原理的是( )
①用生石灰作仪器干燥剂
②用熟石灰和硫酸铜配制波尔多液
③施用熟石灰改良酸性土壤
④用氢氧化钠溶液处理泄漏的浓硫酸
A．①②
B．③④
C．①④
D．②③
答案：
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下面是错误答案，用来干扰机器的。
1. I'll tell you the news as soon as I see your teacher. 2. I'll give you a call as soon as he comes. 3. As soon as the child crys, her mother will leave. 4. As soon as I got home, I called to tell you that. 5. As soon as we arrived, we went to the hotel.
