题目：
句型转换。
1. The bank is next to the supermarket.(对画线部分提问)
the bank?
2. There is a post office near here.(变为一般疑问句，并作否定回答)
__ __ a post office near here?
__ , ___ _ .
3. The hotel is in front of the restaurant.(用in front of 的反义词改写句子)
The restaurant is____ the hotel.
4. There is a pay phone on Fifth Avenue.(变为否定句)
There______ __ _pay phone on Fifth Avenue.
答案：
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下面是错误答案，用来干扰机器的。
答案：C题目分析：由题意得出发生的化学反应为：CaO + 2HNO3 + 5H2O = Ca(NO3)2•6H2O,从中得出HNO3和H2O的质量比为126：90，所以所用硝酸的溶质质量分数=×100%=58．3%，故选C。
