实验室保存下列试剂，有错误的是 A．浓盐酸易挥发，盛在无色密封的玻璃瓶中 B．碘

常说的“486微机”、“586微机”是()的一种表示方式。

A.计算机速度

B.字

C.存储容量

D.字节

某超市经销一种成本为40元/kg的水产品，市场调查发现，按50元/kg销售，一个月能销售出500kg，销售单价每涨1元，月销售量就减少10kg，针对这种水产品的销售情况，超市在月成本不超过10000元的情况下使得月销售利润达到8000元，请你帮忙算算，销售单价定为多少？

在△ABC中，∠C=90°，若AC=5，BC=12，则AB等于（　　）

A．13

B．14

C．15

D．16

阅读下面短文，根据所给语境，按要求完成下列各题。

Mozart was born on January 27, 1756 and died on December 5 , 1791. When he was three, he often had lessons with his elder sister. （1）His father took him through many different countries, where he played music for lots of people.

But some people didn’t believe a little boy could write such beautiful music. They asked him to stay in a room all by himself for a week and somebody watched the room all the time .（2） In a week , he finished a new piece of music . After that, people believed that he could write beautiful music.

Mozart died when he was still a young man. During his short life he studied music and taught music and played music and wrote music. Even by working so hard, he couldn’t make much money . Often he had to borrow money from his friends. But his music made him happy and for more than two hundred years his music has made other people happy, too.

小题1:将（1）处翻译成汉语。

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小题2:对（2）处黑体部分提问。

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小题3:根据短文内容，完成下面的句子。（每空一词）

Mozart was a __________ talent（天才）,but he still lived a ________ life.

吡喹酮不能用于治疗（）

A.猪带绦虫病

B.囊虫病

C.牛带绦虫病

D.华支睾吸虫病

E.蛔虫病