刘备在汝南大败后投靠（） A.袁绍 B.孙权 C.刘表 D.张鲁

运转结束后，应按规定关机，进行（）。

A.清理

B.维护

C.保养

D.修理

阅读理解。

     It is common and usual to see people freak out when they face challenges in their life. We all pass

in different life problems and challenges. No one is free of life problems. Only a dead man faces no

problem. As long as you are alive, challenges are everywhere.

     How do you face problems and challenges in your life? Problems and challenges are the building

blocks of your personality. They make you who you are. Besides, whether what happened in your life

builds or destructs you depends on how you look at it. If you take your problems as troubles, they will

be troubles and may cause destruction. If you take them as constructive tools, you are going to be built

up on them.

     Problems are everywhere. No one can avoid them. And they are good too. They open up a different

look and opportunity if you are willing to see. When you face troubles, do not frustrate or freak out. Just

cool yourself to think in a different direction. Think in a positive way. Every problem has its own good as

well as bad sides. Focus on the good one. Look at the bright side.

    Besides, there is always a good person, perhaps your mom or dad, or one of your friends, right beside

you who can turn everything into your best if you are willing to turn to them. No matter what happens,

they will be there to help you. Trust them and they will never let you down. All you need to know is that

you are loved wherever you are.

1. What's the meaning of the underlined phrase "freak out" in Paragraph 1?

A. Feel shy.    

B. Stay calm.  

C. Keep up.    

D. Feel upset.

2. In Paragraph 2, the writer implies that ______.

A. problems cause troubles  

B. attitude is everything

C. challenges can be avoided  

D. personalities are built on failures

3. According to the last paragraph, when we're in trouble, we ______.

A. can only depend on our parents      

B. are not alone

C. should only believe ourselves        

D. are not confident

4. What's the writer's purpose to write the passage?

A. To encourage.  

B. To compare.  

C. To prove.

D. To explain.

5. What can be the best title of the passage?

A. How to Avoid Problems    

B. Challenges Are Everywhere    

C. Face Your Challenges Bravely        

D. You Are Loved Wherever You Are

天津二通电动机构的故障信息由（）提供

A、行程机构；

B、转矩限制机构；

C、转矩弹簧。

功能固着，是指个体在解决问题时往往只看到某种事物的通常功能，而看不到它其他方面的用途。这是人们长期以来形成的对某些事物的功能或用途的固定看法。 根据上述定义，下列属于功能固着的是( )。

A．军事迷小璐拿子弹壳做成了各式各样的武器模型

B．女青年小陈遭遇飞车抢劫，路过此地的一名骑自行车男子见此将自行车砸向飞驰而来的摩托车，两名歹徒应声落地

C．地球生态协会的小钟将废弃的光盘拿线穿起来做成了门帘

D．小杜淋雨后只想到拿电吹风吹干了自己的头发，心想衣服只能雨过天晴后晒干了

用文字工具单击文字层的文字区域会使文字层进入编辑状态，那么如何使用文字工具再文字层上方建立一个新的文字层呢？（）

A.在合成窗口，按住Ctrl键，鼠标单击文字层

B.在合成窗口，按住Shift键，鼠标单击文字层

C.在合成窗口，按住Alt键，鼠标单击文字层

D.在合成窗口，鼠标双击文字层