由于沉淀脱氧直接在钢液中脱氧,所以沉淀脱氧比扩散脱氧好。

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问题:

由于沉淀脱氧直接在钢液中脱氧,所以沉淀脱氧比扩散脱氧好。

考点:炼钢工电炉炼钢工中级电炉炼钢工中级题库
题型:判断题

The weather is getting warmer and warmer. It is fun to play outside, but people are afraid to play outside these days, because of the H7N9 virus. The H7N9 virus is one type of influenza A H7 viruses. It is a new type of bird flu. Influenza A H7 viruses mainly affectbirds but sometimes they can also affect humans. Most people infected with H7N9 virus look like they had a common flu. They had a fever, a cough and shortness of breath. Some had bad pneumonia. This March, H7N9 virus hit Shanghai, Anhui, Jiangsu and Zhejiang. Up until April 11th, the number of people infected had reached 35. Nine of these people died.

But don’t be afraid , some cases are curable. A 4-year-old boy in Shanghai and a 67-year-old man in Hangzhou got the virus, and they are getting better. Besides, it's not easy to be infected by the H7N9 virus.

There are some ways to save ourselves from this. First, wash your hands with soap and running water before you eat and after you use the toilet. You should do the same after you touch animals or animal waste. Second, cover your nose and mouth with your elbow when coughing. Third, you should have a good rest and do some exercises, so your body can become strong enough to beat the virus.

小题1:How’s the weather during these days?

A.cold

B.warm

C.hot

D.cool小题2:How many people have been infected H7N9 until April 11th?

A.35

B.25

C.45

D.30小题3:Which place didn’t find H7N9 in March?

A.Shanghai

B.Jiangsu

C.Zhejiang

D.Beijing小题4:Which sentence is not true about the H7N9?

A.It is a new type of bird flu.

B.It is very easy to be infected by the H7N9.

C.Some of the H7N9 cases are curable.

D.Most people infected with H7N9 virus look like they had a common flu.小题5:How can we save ourselves from the H7N9 virus?

A.Wash your hands before you eat and after you use the toilet, touch animals or animals waste.

B.Cover your nose and mouth with your elbow when coughing.

C.Have a good rest and do some exercise to make your body strong enough.

D.All of above.

题型:判断题

完善政府投资体制和规范政府投资行为的手段是( )。

A.合理界定政府投资范围

B.健全备案制

C.鼓励社会投资

D.规范政府标准制

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溶解乙炔气瓶的定期检验每两年一次。

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支气管扩张并咯血的首选治疗是()

A.维生素K

B.吗啡

C.垂体后叶素

D.氨茶碱

E.抗生素

题型:判断题

如何在NeTNUMeN N31网管系统中,对网元版本进行升级?

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