对于交流电机，下列哪种方法属于变转差率调速（　　　）。A.改变电源频率B.改变定...

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【单选题】

对于交流电机，下列哪种方法属于变转差率调速（　　　）。

改变电源频率

改变定子绕组的极对数

转子回路中串入可调电阻

改变电源电压

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【判断题】True or false: Peter Drucker is pessimistic about the development of E-commerce.

正确

错误

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【多选题】关于分部工程验收，以下说法正确的是（）。

分部工程验收时所有单元工程已经完建且质量全部合格

分部工程验收由验收工作组负责，分部工程验收工作组由项目法人或监理主持

分部工程验收的有关资料必须按照竣工验收标准制备

分部工程验收的成果是“分部工程验收鉴定书” 本套题

分部工程验收应有设计、施工、运行管理单位的有关技术人员参加

查看完整题目与答案

【多选题】以下关于分部工程及分部工程验收的说法，正确的是。

分部工程是指在一个建筑物内能组织发挥一种功能的建筑安装工程，是组成单位工程的各个部分

分部工程验收的条件是该分部工程的全部单元工程已经完建且质量合格

是指具有独立发挥作用或独立施工条件的建筑物

分部工程验收工作组由项目法人或监理主持

分部工程验收的有关资料必须按照竣工验收的标准制备

查看完整题目与答案

【单选题】According to management expert Peter Drucker, we can get the conclusion that:

Many people (about thirty five percent in most organizations) spend much of their time doing the wrong thing very well.

Many people (about thirty five percent in most organizations) spend much of their time doing the right thing very well.

Many people (about fifty percent in most organizations) spend much of their time doing the wrong thing very well.

Many people (about fifty percent in most organizations) spend much of their time doing the right thing very well.

查看完整题目与答案

【判断题】The purpose of business is to create customer according to Peter Drucker, the father of management consultancy.

正确

错误

查看完整题目与答案

【单选题】According to Peter Drucker, how could you make a “quality decision” effective?

There should be commitment to the decision.

You have to use good method.

Y ou have to climb the ladder of success.

You have to learn the value of efficiency.

查看完整题目与答案

【单选题】According to Peter Drucker, what is more important in dealing with people, efficiency or effectiveness?

Efficiency.

Effectiveness.

查看完整题目与答案

【多选题】以下( )是地基与基础分部工程的子分部工程。

无支护土方子分部工程

混凝土结构子分部工程

钢结构

地下防水子分部工程

基坑降水工程

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【简答题】Peter Drucker _________ the idea of the corporation as a social institution.

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【单选题】The author cites the example of Peter Drucker in order to______.

show who finds it easy to ask dumb questions

introduce Peter Drucker

explain dumb questions in detail

demonstrate that employees don't know much about the company they work for

查看完整题目与答案

正确

错误

查看完整题目与答案

【多选题】关于分部工程验收，以下说法正确的是（）。

分部工程验收时所有单元工程已经完建且质量全部合格

分部工程验收由验收工作组负责，分部工程验收工作组由项目法人或监理主持

分部工程验收的有关资料必须按照竣工验收标准制备

分部工程验收的成果是“分部工程验收鉴定书” 本套题

分部工程验收应有设计、施工、运行管理单位的有关技术人员参加

查看完整题目与答案

【多选题】以下关于分部工程及分部工程验收的说法，正确的是。

分部工程是指在一个建筑物内能组织发挥一种功能的建筑安装工程，是组成单位工程的各个部分

分部工程验收的条件是该分部工程的全部单元工程已经完建且质量合格

是指具有独立发挥作用或独立施工条件的建筑物

分部工程验收工作组由项目法人或监理主持

分部工程验收的有关资料必须按照竣工验收的标准制备

查看完整题目与答案

【单选题】According to management expert Peter Drucker, we can get the conclusion that:

Many people (about thirty five percent in most organizations) spend much of their time doing the wrong thing very well.

Many people (about thirty five percent in most organizations) spend much of their time doing the right thing very well.

Many people (about fifty percent in most organizations) spend much of their time doing the wrong thing very well.

Many people (about fifty percent in most organizations) spend much of their time doing the right thing very well.

查看完整题目与答案

【判断题】The purpose of business is to create customer according to Peter Drucker, the father of management consultancy.

正确

错误

查看完整题目与答案

【单选题】According to Peter Drucker, how could you make a “quality decision” effective?

There should be commitment to the decision.

You have to use good method.

Y ou have to climb the ladder of success.

You have to learn the value of efficiency.

查看完整题目与答案

【单选题】According to Peter Drucker, what is more important in dealing with people, efficiency or effectiveness?

Efficiency.

Effectiveness.

查看完整题目与答案

【多选题】以下( )是地基与基础分部工程的子分部工程。

查看完整题目与答案

【简答题】Peter Drucker _________ the idea of the corporation as a social institution.

查看完整题目与答案

【单选题】The author cites the example of Peter Drucker in order to______.

show who finds it easy to ask dumb questions

introduce Peter Drucker

explain dumb questions in detail

demonstrate that employees don't know much about the company they work for

查看完整题目与答案

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