试述接触网作业车的液压系统主要部件组成？

填动物名称，补充成语。    

打草惊(     )        九(     )一毛        守株待( )        呆若木(     )   

 (     )肠小道       ( )凤呈祥        (     )头蛇尾        (     )目寸光    

杀鸡吓(     )        一(     )当先        (     )盘虎踞        鸡鸣(      )盗

下列句子中的成语使用错误的一项是[ ]

A．一个作家不关心社会，不深人生活，而一味地闭门造车，想写出惊世之作，这无异于缘木求鱼，最终的结果是不难推测的。

B．一位出色的管理人员，他既要有远大的目光，综观全局，又要明察秋毫，尽可能不出现丝毫闪失。

C．在我国的历史上，一些受到人们推崇、有所作为的君主，总是心怀天下、与民同乐的明君。

D．一些腐败分子总是推己及人，认为旁人也与他一样，一心只想捞取名利。

阅读下面短文，并借助上下文补充所缺信息。每个空格只能填写一个形式正确、与短文内容意思相符的英语单词。把答案写在答题卡指定的位置上。

It was Christmas time in 2008. It was snowing hard and very 小题1:. It was a very special Christmas for me—you see Mom never owned a new coat.

Mom got ill when she was a young child and she became disabled. One of her legs was larger than the 小题2: . At times she would have trouble walking, but she never complained. Mom always treated my friends with kindness and they were always welcome at our house anytime, even when I小题3:  at home.

Mom’s all 小题4: were four dresses, four pairs of shoes, a white blouse, and a yellow sweater.

I decided that I would buy Mom a 小题5:  that year, so I took her down to find something for Christmas. As we went past the coat store, one of the coats in the store caught Mom’s eyes. I asked her to 小题6: on the coat for fun. She said that we did not have the money to buy the coat. But after a long talk with Mom, finally we 小题7: the store with Mom wearing that nice coat. She agreed that the coat did look good on her. I will ever thank for this opportunity（机会）, being able to give 小题8:  just a little. This was the nicest coat that she ever owned.

In March of 2009, Mom died at age 42. As I looked back on my mother's life, it was filled with acts of 小题9: . Giving came from her heart. She was willing to help others 小题10:  it was possible. I learn a lot from my mother.

一质量为1kg的物体被人用手由静止向上提升1m，物体的速度达到2m/s，g取10m/s²．下列说法正确的是（　　）

A．提升过程中手对物体做功10J

B．提升过程中合外力对物体做功2J

C．提升过程中合外力对物体做功12J

D．提升过程中物体克服重力做功10J