下列选项中，不属于工程咨询单位人力资源规划研究问题的是( )。

搜题请搜索小程序“爱下问搜题”

问题单项选择题

A．资源现有状况
B．潜在的咨询项目所需人力资源清单
C．人力资源获取、利用、开发和调整规划
D．高端人力资源分流状况

答案

参考答案：D

阅读理解

阅读小天地：读一读，选一选。

It's Tuesday afternoon. Jenny is going to the train station to buy tickets. She and her mother are going on

a trip to Xi'an on Thursday.

" How much for a ticket from Beijing to Xi'an? " Jenny asks. " 120 yuan," the clerk answers.

Now Jenny has two tickets. The train leaves at 2: 15 in the afternoon. It arrives in Xi'an at 4: 00 in the

morning. Jenny is excited (激动的). She runs home.

1. Jenny buys the tickets on ____________.

A. Monday

B. Tuesday

C. Thursday

2. How much for the two tickets?

A. 120 yuan

B. 200 yuan

C. 240 yuan

3. Jenny and her mother want to go to ____________.

A. Xi'an

B. Beijing

C. Nanjing

4. When does the train leave?

A. At 2: 15 in the morning.

B. At 4: 00 in the morning.

C. At 2: 15 in the afternoon.

5. How does Jenny feel now?

A. She is sad.

B. She is excited.

C. We don't know.

计算题

如图所示，AB是粗糙的圆弧，半径为R，OA水平，OB竖直，O点离地面高度为2R，一质量为m的小球，从A点静止释放，不计空气阻力，最后落在距C点R处的D点。求：

（1）小球经过B点时，对轨道的压力？

（2）小球在AB段克服阻力做的功？