问题 选择题

在工业生产中,H2SO4的下列用途不正确的是(  )

A.制取漂白粉

B.制取肥田粉

C.制取氢氟酸

D.制造农药和炸药

答案

A

漂白粉是将Cl2通入石灰乳中制得的,与H2SO4无关。肥田粉是指农用(NH42SO4,其合成原理是:

2NH3+H2SO4====(NH42SO4

浓H2SO4是制取肥田粉不可缺少的原料。氢氟酸是HF(g)溶于水制得的,HF(g)是用浓H2SO4与天然CaF2(萤石)反应制得的:

CaF2+H2SO4CaSO4+2HF↑

H2SO4可用于制造炸药和农药。

阅读理解

阅读理解。

     Jacques Rogge was bom on May 2, 1942; in Ghent, Belgium. In England he studied sports medicine and

got his medical degree before retuming to Belgium to work as a doctor in Deinze. Jacques Rogge was once an

Olympic yachtsman (赛艇运动员) with great achievements. In the course of his sports life, he competed in

the yachting competitions at the Games of Olympiad in 1968, 1972 and 1976. He got good grades at the

competitions. He served as President of the European Olympic Committee (欧洲奥委会) in 1989 and joined

IOC-International Olympic Committee, in 1991. Thanks to his rich social background, Rogge's climb in the

IOC was fast. During the period of the Salt Lake City scandal (丑闻), he refused expensive gifts and money.

He became the eighth president of the IOC on July 16, 2001.

     Being not influenced by the Salt Lake City scandal, he has kept a perfectly clean image (象) in the IOC. He

has been seen as the one who could improve the situation since the Salt Lake City scandal was brought into

daylight. As an Olympic yachtsman, Jacques Rogge was no stranger to dangerous waters and stormy weather,

but be faced a large number of serious problems when he took over the great job. He was in the first hope that

he would clear up the public image of the IOC. He said that he would take his whole life of effort to let the

world trust the IOC.

1. Was Rogge born in Belgium? 

    _______________________________________________

2. Did Rogge get his medical degree in England or in Belgium? 

    _______________________________________________

3. How many times did Rogge compete in Olympic yachting? 

    _______________________________________________

4. What did people wish Rogge to do first after he became the president of the IOC?

    _______________________________________________

5. What main advantages did Rogge have to be the president of the IOC according to the passage? 

    _______________________________________________

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