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问题 单项选择题

为了预防支局客户纠纷的产生，可以在营业厅的客户等待区放置近期的杂志和当天的报纸，目的是为了（），缓解客户的烦燥情绪。

A.方便客户

B.美化环境

C.提升营业厅的档次

D.分散客户注意力

答案

参考答案：D

阅读理解

阅读理解。

     This is my room.The books are in the bookcase.The picture of my family is on the wall.  My backpack

is on the chair. And I have a baseball. It's on the floor, between the bookcase and the desk. A computer is on the desk. Some CDs are behind(在……后面) the computer. And I have a cat. It's on my bed.

根据短文内容回答下列问题:

1.Does the writer(作者) have a room? 

                             

2.Where are the books?  

                             

3.Is the photo of the writer's family on the wall? 

                             

4. Does the writer have a sofa in his room?

                             

5.Where is the computer ?

                             
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选择题
电气化铁路的输电线常用图所示的方式悬挂在钢缆上．钢缆的A端固定在电杆上，B端连接在滑轮组上．滑轮组由a、b、c三个滑轮构成，配重P由多个混凝土圆盘悬挂在一起组成，配重的总重为G，若不计摩擦和滑轮的重量，则以下说法中正确的是（　　）

A．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G

B．a为动滑轮，B端钢缆受到滑轮组的拉力大小约为G

C．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为3G

D．a、c为动滑轮，B端钢缆受到滑轮组的拉力大小约为G
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