试简述测量轴弯曲的方法

My mother is a diligent and kind woman. She is very busy from morning till night. As a teacher, she works hard. ___小题1:__Both my brother and I love her dearly as she loves us.

My mother has been teaching math at a middle school in my hometown. She goes to work early in the morning and does not return home until late in the afternoon. ___小题2:_She treats them with patience and teaches them well. For her excellent quality and very good teaching results, she has been elected as a model teacher several times.

___小题3:___Every day, when she comes back home from work, she sets about doing housework, sweeping the living room and bedrooms or cleaning the furniture, and putting everything in good order. She seems to be busy all the time. As she has been very busy working every day, she looks older than her age. But she looks as cheerful and happy as ever. Mother never buys expensive dresses for herself, but she often buys some inexpensive but high quality clothes for us. ___小题4:___  She just eats a plain meal outside when she is too busy to cook herself. She lives a busy yet simple life, without any complaints. 

Often she says to us, “work while you work, and play while you play. That is the way to be happy and gay. If you do not work, you will become lazy and be of no use to society”. What a piece of good advice this is! __小题5:__ This advice of hers will always serve as a guide to my behavior. My mother is great indeed, and I always feel proud of her.

A．She enjoys listening to classic music.

B．As a mother, she takes good care of us and gives us every comfort.

C．She loves her students and cares for them.

D．She never goes to expensive restaurants to enjoy meals.E. My mother is hard-working and never wastes money.

F. I never forget it and always bear it in my mind.

G. Can you tell us something about your mother?

利率风险来源于银行的资产与银行的负债在期限结构方面的不对称和没有预料到的（）.

人工雨量器降雨量很大时，可（）取水测量，并分别记在备用纸上，然后（）得到降水总量并记录。

A、1次累加

B、累加分数次

C、分数次累加

D、分累加„数次

弯道按照成型条件分为（）和热弯管。

A.冷弯管

B.猥制弯管

C.焊制弯管

D.冲压弯管

（）是近代实验科学的奠基人和主要代表，他对天文学的贡献固然重要，但他对（）的贡献更为重要。