绷网的工艺过程是什么？

阅读理解。

     Near my home, there is a shop. It's not big. I can buy lots of things there. Sometimes (有时) I buy

school things, like exercise-books, erasers, rulers, pens and color pencils in it. They are very cheap. My

mother often buys food and drinks there. The apples are five yuan a kilo(千克). I think they are a little

expensive (昂贵的).

     There are only four people in the shop. They are three young men and an old woman. They are very

friendly (友好的). The shop closes at 5:30 in the afternoon and you can't buy things before 7:30 in the

morning.

根据短文内容，回答下列问题。

1. Where is the shop?

    ______________________________________

2. Are the school things cheap in the shop?

    ______________________________________

3. How many people are there in the shop?

    ______________________________________

4. Are the people in the shop friendly?

    ______________________________________

5. How long is the shop open?

    ______________________________________

直线y=kx+1与双曲线x²-y²=1的左支交于A，B两点，直线l经过点（-2，0）及AB中点，求直线l在y轴上截距b的取值范围．

当网络图中某一非关键工作的持续时间拖延A，且大于该工作的总时差TF时，网络计划总工期将（）。

A．拖延△

B．拖延△+TF

C．拖延△-TF

D．拖延TF-△

铜管的支架间距可按同规格碳素钢管支架间距的（）取用。

A.1/2

B.1/3

C.2/3

D.4/5

下列哪类业务目前系统可以采用“一借多贷”的录入方式？（）

A.TN业务

B.WZ业务

C.TW业务

D.TP业务