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问题 单项选择题

新建、扩建、改建的城市道路交付使用后5年内、大修的城市道路竣工后3年内不得挖掘；因特殊情况需要挖掘的，须经( )批准。

A．市政工程行政主管部门

B．城市规划管理部门

C．公安交通管理部门

D．县级以上城市人民政府

答案

参考答案：D

完形填空

请认真阅读下面的短文，并根据各题所给首字母的提示，写出一个合适的英语单词完整、正确的形式，填入下面表格，使短文通顺。

A few years ago, an Englishman called Robert went to the countryside in the west of England on holiday. One day he lost his expensive watch when he was 小题1:s  in a river. The next year he went there again. As he was having

小题2:d  in a restaurant one evening, he told the story of his lost watch to the manager(经理). The manager looked 小题3:s   . He said he 小题4:f   a watch in a hole(洞) near the river last month. Then he asked Robert if he wanted to have a look. “OK,” said Robert. When the manager brought him the watch, he jumped with 小题5:j . It was his watch!
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填空题

当取样量为100ml，用1Cm比色皿测量吸光度时，二乙胺乙酸铜分光光度法测定水中二硫化碳的浓度范围为（）mg/L。
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