以下属于项目目标的事前控制的是______。A.进行任务分工、规定工作流程 B.事前

题型:单项选择题

问题:

以下属于项目目标的事前控制的是______。

A.进行任务分工、规定工作流程

B.事前分析可能导致项目目标偏离的各种影响因素

C.当发现项目目标偏离时采取纠偏措施

D.定期进行项目目标的计划值与实际值的比较

考点:一级建造师建设工程项目管理建设工程项目管理
题型:单项选择题

Windows操作
请在考生文件夹中完成下面3小题:
1.在考生文件夹中的abc\user文件夹中建立一个文件名为test.txt的文件。
2.将考生文件夹中abc文件夹中的hoo文件夹移动到bcd文件夹内。
3.将考生文件夹中mn文件夹中的xyz文件夹删除。

题型:单项选择题

阅读理解。

     Radio and television are very popular in the world today. Many people watch TV. We call them viewers.

Perhaps more people listen to the radios. We call them listeners. Older people call the radio the wireless (无

线电). And in conversation people call television TV or the "tele".

     The TV is, of course, more useful than the radio. On the TV you can see and hear what is happening. But

the radio is not disappearing. It's still with us. And the number of listeners is becoming larger. One reason for

this is that the invention of the transistor set (晶体管收音机) is sometimes very small. It's easy to carry. You

can put one in your pocket when you go to work. You can listen to the news broadcasts or radio lessons on

the bus. You can listen to them on your bike. You can put your own transistor set beside your pillow when

you go to bed. Besides radio broadcasts are better for blind people. And many old people's eyes are not good

enough to watch TV. When people are working, they can not watch TV. But they can always listen to music

on the radio. What's more, a TV set is usually more expensive than a transistor set.

1. Older people call the radio _____.

A. viewers

B. listeners

C. the wireless

D. the tele 

2. Tile TV is more _____ than the radio.

A. beautiful

B. useful

C. expensive

D. B and C

3. On TV, a viewer can _____ what is happening.

A. see

B. hear

C. talk

D. A and B

4. One reason for the number of listeners becoming larger is _____.

A. people don't like TV as much as they did

B. the invention of the transistor set

C. people love radios better than TV sets

D. people love radio programmes better

5. Radio broadcasts are better for _____.

A. blind people

B. younger children

C. some old people

D. A and C

题型:单项选择题
平面上的点P(x0,y0)到直线l:Ax+By+C=0的距离dp-l=
|Ax0+By0+C|
A2+B2
,类比这一结论,则可得空间上的点P(x0,y0,z0)到平面a:Ax+By+Cz+D=0的距离dp-a=______.
题型:单项选择题

黑色、白色、黄色的筷子各有8根,混杂地放在一起。黑暗中想从这些筷子中取出颜色不同的两双筷子。问至少要取多少根才能保证达到要求( )

A.5
B.7
C.11
D.12

题型:单项选择题

中国的第一个提出建设物联网城市是哪里()。

A.杭州

B.无锡

C.上海

D.深圳

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