问题 选择题

扑热息痛是一种常用的解热镇痛药,其结构简式为,对扑热息痛的化学性质的下列推断不正确的是(    )

A.能跟溴水发生取代反应

B.不能发生水解反应

C.能跟FeCl3发生显色反应

D.不能发生加聚反应

答案

答案:B

酚羟基邻位上有氢,该分子能跟溴发生取代反应。该分子中含有肽键,能发生水解反应。该分子中含有酚羟基,与苯酚性质相似,选项C正确。没有CC双键,该分子通常不能发生加聚反应。

阅读理解

阅读表达 阅读后面的短文回答问题

Welcome to HongKong! Here is some information that can help you know the city very well.

Hong Kong lies in the southeastern part of China. She returned to our motherland in 1997. If you go to Hong Kong by air, you will arrive at Kai Tak Airport, because there was not enough land. This airport was built out into the sea. It is in the part of Hong Kong called Kowloon. Kowloon is one of the two big cities in Hong Kong.The other city is Hong Kong itself. It is on an island. You can get there by ship or through a tunnel under the sea. Much of Hong Kong is farmland and mountains.

The population(人口) of Hong Kong is over six million. People from all over the world travel to Hong Kong every year. You can watch horse racing or motor racing. Some places are quiet and beautiful. When you are hot and tired, there are small cool gardens to rest in. There are also a lot of buildings to live in. Hong Kong is also a good place for Chinese food. You can enjoy many kinds of cooking. For example, fish, meat and vegetables. Beijing duck is famous. There is certainly a lot to see and to do in Hong Kong.

小题1:Where is Hong Kong? ( In 9 words )

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小题2:When did Hong Kong return to our motherland? ( In 2 words )

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小题3:What’s the population of Hong Kong? ( In 9 words )

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小题4:If you go to Hong Kong by air, where will you arrive? ( In 7 words )

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小题5:How many big cities are there in Hong Kong? ( In 3 words )

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单项选择题