石油产品中的机械杂质是在油品的精制加工、运输、贮存时混入的,一般指的是砂子、粘土、铁

题型:单项选择题

问题:

石油产品中的机械杂质是在油品的精制加工、运输、贮存时混入的,一般指的是砂子、粘土、铁屑和()。

A、矿物盐

B、石蜡

C、沥青质

D、中性胶质

考点:油品分析工考试初级油品分析工考试初级油品分析工考试题库
题型:单项选择题

阅读理解。

     Newton (牛顿) was a great scientist. He thought only about his work. One day he was hungry. He wanted

to have an egg. Then he took out an egg from the box. He wanted to boil (煮) the egg for three minutes. But he

was thinking about a problem (问题). So he put his watch into the hot water. He stood there and waited. When

the servant (佣人) came in , she saw Newton was boiling his watch, but the egg was in his hand.

1. Did Newton think only about his work? [ ]

A. Yes, he did.

B. No, he didn't.

C. No, he did.

D. Yes, he didn't.

2. Why did he want to boil an egg one day?[ ]

A. He liked to eat eggs.

B. He was hungry.

C. The servant wanted to eat the egg.

D. He wanted to sell it.

3. Where did he take out the egg from?[ ]

A. From the bag.

B. From the desk.

C. From the room.

D. From the box.

4. How long did he want to boil an egg? [ ]

A. 40 minutes.

B. 4 minutes.

C. 3 minutes.

D. 30 minutes

5. What did he think about when he put his watch into the hot water? [ ]

A. He was thinking about his watch.

B. He was thinking about a problem.

C. He was thinking about the egg.

D. He was thinking about the servant.

题型:单项选择题

机房内设有静电地板时,应在地板下围绕机房敷设闭合的环形接地线作为地板金属支架的接地引线排,其材料为截面积不小于()的多股裸铜线。

A.16mm2

B.5mm2

C.10mm2

D.35mm2

题型:单项选择题

精浆的生理作用不包括

A.运送精于

B.中和 * * 酸性

C.提供能源物质

D.参与精液的凝固和液化

E.促进精子成熟

题型:单项选择题

血清蛋白电泳后,一般不用下列何种染料进行染色()

A.丽春红S

B.考马斯亮蓝

C.氨基黑

D.苏丹黑B

E.油红O

题型:单项选择题

(五)

某企业根据自身业务发展,制定了整体发展战略,确定企业员工总数在未来三年内由100名增加至1500名,其中具有大学以上学历的专业技术人员比例由15%增加到25%,全员劳动生产率达到人均12万元以上,其整体发展总策略包括加大员工培训力度、提高专业技术人员待遇、加强人力资源激励机制等。
根据上述资料,回答以下问题:

人力资源规划包括( )。

A.人力资源总体规划

B.人力资源各项业务计划

C.员工培训计划

D.人力资源总体预算

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