一轧件经若干道次轧制后,成为断面积为64mm2的方坯,下一道次为椭孔,经椭孔轧制后断

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问题:

一轧件经若干道次轧制后,成为断面积为64mm2的方坯,下一道次为椭孔,经椭孔轧制后断面尺寸为b×h=13×5.2(mm×mm),求此椭孔宽展系数为多少?

考点:轧钢工考试中级轧钢工中级轧钢工题库
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阅读理解。

    Doing homework not only can help children master the knowledge they have learned. but also can

traintheir abilities of finishing the work alone. planning the time and doing the duties. But some children

don't like to complete the work. Why? There are some reasons.

    Some children feel it is very difficult to do their homework. Because they can't understand their teacher

 clearly, and cannot follow their teacher's teaching process (过程). Maybe there is something wrong with

their intelligence.

    But some children's intelligence is normal. They are even cleverer, but they don't listen to the teacher

carefully.  It is hard for them to sit well and pay attention to anything.  It needs to carry on the attention

centralized (集中注意力) training to help the children.

    Some children love their teacher and then they like the subject. Their interest depends on the teacher

who teaches them. So every teacher should be helpful and kind. It can make children love you arid the

subject you teach. So they can do their homework happily.

1. Doing homework can help children ___________.        

A. master the knowledge

B. train their abilities

C. learn new lessons

D. Both A and B

2. Some children find the homework difficult. Which reason is NOT right?      

A. They can't understand their teacher clearly.

B. They cannot follow their teacher's teaching process.

C. The intelligence of all the students isn't normal.

D. They don't listen to the teacher carefully.

3. What's the Chinese meaning of the underlined word "intelligence" ?

A. 作业   

B. 智商

C. 思想    

D. 方式

4. According to the last paragraph (段落), the writer thinks _________ is very important.      

A. a teacher              

B. a subject

C. attention            

D. homework

5. What is the best title of the passage?

A. Some children don't like their teacher.

B. Children's homework is very difficult.

C. Why don't some children like to do homework?

D. Why can't some children study the subjects well?

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鸟类的生殖方式是(  )

A.卵生、体内发育

B.卵生、体外发育

C.胎生、体外发育

D.胎生、体内发育

题型:问答题 计算题

下列企业中,可以在银行办理托收承付结算方式的有( )。

A.个人独资企业

B.合伙企业

C.股份有限公司

D.国有独资企业

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人参五味子汤功效与作用

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下列哪一说法是正确的

A.甲违反海关法规,将大量黄金运输进境,不予申报,逃避关税达30万元。甲的行为成立走私贵重金属罪
B.乙生产、销售劣药,没有对人体健康造成严重危害,但销售金额超过了10万元。乙的行为成立生产、销售伪劣产品罪
C.丙在自己的35名同学中高息揽储,吸收存款100万元,然后以更高的利息贷给他人。丙向其同学还本付息后,违法所得达到数额较大标准。丙的行为成立非法经营罪与高利转贷罪的想象竞合犯
D.承担资产评估职责的丁,非法收受他人财物后,故意提供虚假证明文件。丁的行为构成公司、企业人员受贿罪与提供虚假证明文件罪,应实行数罪并罚

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