离心机正常工作时,应检查什么?

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问题:

离心机正常工作时,应检查什么?

考点:选煤工程师选煤基础知识选煤基础知识题库
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与气的生成和津液的输布有关的是 ( )

A.肝与肾
B.肺与脾
C.肺与肾
D.心与肾
E.肝与脾

题型:问答题 简答题

正常腰椎前屈的活动幅度是()。

A.45°

B.20°

C.30°

D.35°

E.90°

题型:问答题 简答题

根据短文内容,从下框A~F选项中选出能概括每段主题的最佳选项,并在答题卡上将该选项涂黑。选项中有一项为多余项。

A、The Long History of Marriage.

B、 Three Historical Stages of Marriage.

C、 Small Pay for a Happy Marriage.

D、Requirements for Marriage.

E、 Wedding and Marriage Ceremonies.

F、 Reasons for Marriage.

小题1:______

Married people know they must adjust to one another to make their marriage successful, and that adjustments require thoughtfulness, co-operation, and sacrifices of some personal desires. Through the ages, however, people in all lands have found that these adjustments are very little to pay for the lifetime rewards of a happy marriage.

小题2:______

Some countries, such as England and Switzerland, require that banns(结婚预告), or public notices of a proposed marriage, be announced. In most civilized countries couples must get a license to marry. Most states require a blood test or a general check-up before granting a license.

小题3:______

Wedding and marriage are not the same. The wedding is the ceremony that marks the beginning of a marriage. The basic element of marriage is the “consensus(意见一致) in the marriage ceremony---that is, the mutual agreement of the two people to be married.

小题4:______

The history of marriage may be as old as that of the man and family. In ancient times the man’s family often provided presents for all the relatives of the girl. If the gifts were favorably received, the man would be given the woman he wanted.

小题5:______

Marriage has developed through three stages. At first it was simply mating. The second stage gradually developed the legal process and moral obligations, and the rights of each mate began to be defined. The third stage stresses ethical(道德的) rights.

题型:问答题 简答题

在行政组织的结构体制中,直线—职能制结构具有的优点是()。

A.有利于加强对水平层次领导部门的协调,有助于克服政出多门,有助于决策科学化、民主化

B. 既保持了组织成员构成的稳定性,又有助于充分发挥组织成员的综合优势,组织效率相对较高

C.有助于拓宽各个层次管理事务的范围,适宜于较复杂的管理活动

D.具有信息传递途径简捷、传递速度快的特点

题型:问答题 简答题

下列哪一个不属于城市与区域的关系()。

A.相互依存

B.相互对立

C.相互促进

D.相互制约

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