动物的印随学习发生在[ ] A．刚孵化时 B．幼年期 C．童年期 D．成年期

阅读理解

       Singers, actors, painters and many other famous people all have to face(面对) the dangers of fame. Wherever they go, people turn up to greet them. Some fans even do something crazy just to see their

well-known face, touch their clothes or see their smile.The stars are always surrounded by newspapermen, TV reporters and photographers.

       Fame brings them quite a lot of money, so they can have easier lives than other people. They live in

beautiful houses with house keeps, gardeners and cooks, but money doesn't bring them happiness. The

next thing is stress. The more money they get, the more stress they feel.  Being stressed for long makes

many of them sick.  In other words, fame can make a man happy, but it can also destroy him. There are

also some famous people that have quiet lives without any serious problems. It depends on the person.

1. According to the passage, some fans of famous people do crazy things to ______.

    ①look at their well-known face       ②touch their clothes

    ③see their smile                              ④sing their songs                            

A. ①③④        

B. ①②④      

C. ①②③    

D. ②③④

2. What does the underlined word "surrounded" mean in Chinese?

A. 围绕    

B. 拥抱    

C. 袭击    

D. 伤害

3. Famous people can easily get all the things EXCEPT_______.

A. much money            

B. happiness

C. comfortable lives          

D. beautiful houses

4. Which of the following is NOT true according to the passage?

A. Famous people are usually rich.

B. Not all famous 'people live happily.

C. Some famous people get sick because of stress.

D. It is impossible for famous people to have a quiet life.

5. What does the writer think of fame?

A. Fame is bad for your health.

B. Fame can make one's life better.

C. Fame can always make a man happy.

D. Fame can make a man happy, but it can also destroy him.

除去下列各组物质括号内的杂质，所选用的试剂及操作方法均正确的是

A．Fe₂O₃(Fe)——用盐酸浸泡，然后过滤、洗涤、烘干

B．Na₂CO₃(NH₄HCO₃) ——加热至质量不再减少为止

C．CaO(CaCO₃) ——加水溶解，过滤、烘干

D．NaCl(Na₂CO₃) ——加入过量CaCl₂溶液，溶解、过滤、蒸发、结晶

机车闸瓦的要求？

拆除临时接地线时，应先拆（）。

A、设备端

B、导体端

C、接地端

应用建设工程数据库确定建设工程目标的工作内容包括（）。

A.确定建设工程数据库基本结构

B.明确拟建工程的基本技术要求

C.找出拟建工程与已建类似工程的差异

D.调整修正拟采用的已建类似工程数据

E.分解建设工程项目目标