新建和大修后的高炉开炉设置煤气导出管的用途是什么?

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问题:

新建和大修后的高炉开炉设置煤气导出管的用途是什么?

考点:炉前工高级炉前工高级炉前工题库
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Welcome to the 2012 London Olympic Games!
Archery

Archery has a 10,000 year history, when bows and arrows were first used for hunting and war.
Archery first appeared at the Paris Olympics of 1990. It was removed after 1908 and only returned to the Olympics at Munich in 1972.
Did you know?
In the 14th century, archery was so important that as English law required every man, aged seven to 60, to practise it.
Badminton

This sport was invented by British soldiers in India who called it Poono, the same name as the town in which they lived.
It was first played at the Olympics in 1992 at Barcelona. Although the rules of the modern sport were developed in England, Asian countries are now the best.
Did you know?
The best balls are said to be made from the feathers of the left wing of goose.
Football

There are two medal competitions for Olympic football, one for men’s teams and one for women’s.
Football was first played at the 1908 Olympic Games and it has been played at every Olympic Games ever since, except for Los Angeles 1932.
Did you know?
Hungary has won three football gold medals-more than any other country.
Taekwondo

This Korean sport’s name means “the way of the hand and foot”. The players get points by hitting each other with these two parts of the body only. The players mustn’t lie on the floor and no equipment can be used.
Taekwondo first appeared at the 2000 Sydney Games.
Did you know?
Over 60 million people from 190 countries around the world regularly take part in this sport.
 
小题1:Who invented the sport of badminton?
A.Indians.B.British.C.Chinese.D.Koreans.
小题2:Which of these sports appeared earliest at the Olympics?
A.Archery.B.Badminton.C.Taekwondo.D.Football.
小题3:Which sport was first named after a town?
A.Badminton.B.Football.C.Taekwondo.D.Archery.
小题4: Which of the following picture shows the sport of “Taekwondo”?
A.B.C.D.
小题5: Where can you most probably find web page?
A.Sydney 2000.com
B.Beijing 2008.com
C.Guangzhou 2010.com
D.London 2012.com
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下列各句中没有语病的一句是 (   )                         

A.福建南靖土楼具有防匪防盗、防震防潮、冬暖夏凉、生活方便,虽经百年风雨或战争硝烟,至今仍巍然屹立,享有“东方古城堡”之美誉。

B.为了让蜜蜂有足够的体力,所以蜂农用人造养料、高能食品等喂养蜜蜂,严重损害了蜜蜂的健康,使全世界的蜜蜂数量呈不断减少的趋势。

C.虎年来临,人们为“老虎将灭绝”而担忧,一项为老虎等大型猫科动物基因组测序的计划,日前在深圳开始实施,“复兴”老虎种群初见曙光。

D.电子机票的普及改变了以往必须面对面的购票方式,没有了时间、空间、地域的限制,这必将给代理人市场乃至航空销售市场格局带来巨大变化。

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下列关于类和对象的叙述中,错误的是______ 。

A.一个类只能有一个对象

B.对象是类的具体实例

C.类是对某一类对象的抽象

D.类和对象的关系是一种数据类型与变量的关系

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11世纪中叶到13世纪初,大大加剧基辅罗斯国家混乱和罗斯人民痛苦的是()

A.自然灾害

B.蒙古人的进犯

C.波洛伏齐人的进犯

D.西欧封建主的入侵

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