根据（）不同，投诉分为有效投诉和无效投诉。 A.投诉的方式 B.投诉的受理性质 C.

阅读理解。

     Many teenagers (青少年) feel that the most important people in their lives are their friends. They believe

that their family members don't know them as well as their friends do. In large families, it is quite often for

brothers and sisters to tight with each other and then they can only go to their friends for some ideas.

     It is very important for teenagers to have one good friend or a group of friends. Even when they are not

with their friends, they usually spend a lot of time talking among themselves on the phone. This

communication (交际) is very important in children's growing up, because friends can discuss (讨论)

something. These things are difficult to say to their family members.

     However, parents often try to choose their children friends for them. Some parents may even stop their

children from meeting their good friends. Have you ever thought of the following questions? 

     Who chooses your friends? 

     Do you choose your friends or your friends choose you?

     Have you got a good friend your parents don't like?

     Your answers are welcome.

1. Many teenagers think that ____ can under-stand them better. [ ]

A. friends

B. brothers

C. sisters

D. parents

2. When teenagers have something difficult to say to their parents, they usually ____. [ ]

A. stay alone at home

B. fight with their parents

C. discuss it with their friends

D. go to their brothers and sisters for help

3. The sentence "Your answers are wel-come." means ____. [ ]

A. You are welcome to discuss the questions with us

B. We've got no idea, so your answers are welcome

C. Your answers are always right

D. You can give us all the right answers

4. Which of the following is the writer's attitude (态度)? [ ]

A. Parents should choose friends for their children.

B. Children should choose everything they like.

C. Parents should understand their children better.

D. Teenagers should only go to their friends for help.

当室外给水管网的水量能满足室内要求，而水压大部分时间不足时，应采用的送水方式是()。

A．直接送水

B．设贮水池，水泵给水

C．设水箱给水

D．竖向分区给水

职业病的原因大多数可以进行定量检测，接触有害因素的水平与发病率及病损程度有明显的剂量-反应关系。

Z-分数（Z-score）是（）

A.（测定结果-均值）/标准差

B.（测定结果-靶值）/靶值

C.（测定结果-均值）/均值

D.标准差/均值

E.标准差/均值×100%

(137~138题共用题干) 患者，女性，21岁，公司白领。近日工作紧张，情绪低落，对周围事情淡漠。今日发现其动作迟缓，表情呆板，卧床不起，拒绝生活料理，呼之推之无反应。

该患者最可能的情况是（）

A．缄默状态

B．木僵状态

C．癔症

D．延迟性应激反应

E．偏执状态