钢中非金属夹杂物按来源可分什么?

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问题:

钢中非金属夹杂物按来源可分什么?

考点:工艺监督工工艺监督工题库
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There is an old tiger in the forest. He doesn’t want to look for food now. He often asks other animals to get him something to eat.

One day, he sees a monkey and says, “I am hungry, monkey. Go to the village and get me something to eat.” “I can’t do that now, tiger,” the monkey says, “There is another tiger over there. He will not let me get anything for you to eat. I am afraid of him.” “What?” cries the old tiger. “Take me to that tiger. I will talk to him.” The monkey and the tiger get to the bridge over the river. “Now look down at the water.” Says the monkey. “Do you see the tiger?” “Yes, I do,” cries the old tiger. “I will eat him.” With these words, the tiger jumps into the river.

小题1:An old tiger lives ____.

A. in the zoo        B. in the garden         C. in the forest    

小题2:How many tigers and monkeys are there in the story?

A. Two tigers and two monkeys.   

B. One tiger and one monkey.

C. One tiger and two monkeys.   

小题3:Why does the tiger ask the other animals to get him food?  Because__.  

A. they are afraid of him    

B. only they can look for some food

C. they are his friends         

小题4:The monkey ____.

A. goes to get something to eat  

B. gets to the bridge with the tiger

C. knows there is another tiger 

小题5:Which of the following is right?

A. The tiger is very clever.       

B. The monkey eats the tiger.

C. The tiger jumps into the water.

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正确掌握化学用语是学好化学的基础。下列化学用语中正确的是           (   )

A.乙烯的结构简式为CH2CH2

B.6个中子的碳原子的符号:12C

C.Cl-的结构示意图:

D.NaCl的电子式:

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一般中小企业实施会计电算化的合理做法是( )。

A.使用国外会计软件

B.本单位定点开发软件

C.购买商品化会计软件

D.从其他企业复制取得会计软件

题型:问答题 简答题

简述肝素的抗凝作用特点、作用机理及临床用途。

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避雷器交接试验验收中规定,35kV以上避雷器绝缘电阻,采用()V兆欧表,不小于2500MΩ。

A.3000

B.4000

C.5000

D.2500

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