______具有高风险、信息反馈慢的特点。 A．强人文化 B．攻坚文化 C．过程文

德国鲁尔区通过发展文化创意产业改造促进产业转型获得成功，将污染严重的工业区变成了一个旅游型城市，该地将废弃的矿井和炼钢厂改造成博物馆，将废弃的煤渣山改造成室内滑雪场，利用废弃的煤气罐、矿井等开发出了别具特色的文化旅游路线。这种成功改造的哲学依据在

① 发挥主观能动性是有效改造世界的前提和基础

② 具体问题具体分析是人们正确解决矛盾的关键

③ 人们观念创新为事物价值转换提供了根本途径

④ 事物价值的转换依赖于事物自身属性的多样性

A．①②

B．②④

C．③④

D．①④

B

Questionnaire

Read the questions and answer YES or No, then you will find out how good you are.
1. When you don’t understand something, you ask questions.
2. You like listening to older people talk about the past.
3. You think that you can learn something interesting from everyone around you.
4. You are brave enough when you have to talk to people you don’t know.
5. You enjoy reading books about famous people.
6. You always see and talk to different people.
7. You are interested in learning new ways of doing things.
8. You enjoy sharing experiences with friends and learning from people of all ages.
9. You talk a lot about yourself.
10. Even if you are often wrong, you make your own decisions.
11. You hate teaching what you are good at: sports, technology, whatever.
12. Your parents don’t understand you, so you don’t talk to them much.
SCORE NOW!
Score 2 points if you answer YES to each of the first 8 questions, and O if you choose NO.
Score 2 points if you answer NO to each of the last 4 questions, and O if you choose YES.
18—24 You are friendly and open-minded. You make people fell important by listening to what they have to say. You’ll probably succeed in learning all kinds of interesting things. Good for you!
10—16 Remember that every single person you know can teach you something. You will greatly make your life rich and colorful.
0—8 About 400 years ago, a famous writer wrote," No man is an island." This is still true today. Try to be more open and interested in people around you.

The writer thinks you should ______.

A．always see and talk to the same people

B．make your own decision whenever you want

C．enjoy teaching what you are good at

D．talk much about yourselves when possible

下列关于坝段分缝分块形式中的斜缝分块叙述中正确的有( )。

A．缝是向上游或下游倾斜的

B．缝是向下游倾斜的

C．斜缝可以不进行接缝灌浆

D．斜缝不能直通到坝的上游面，以避免库水渗入缝内

E．斜缝必须进行接缝灌浆，否则库水渗入缝内

矩阵的特征值是（）。

A、λ₁=1，λ₂=2

B、λ₁=1，λ₂=4

C、λ₁=2，λ₂=4

D、λ₁=4，λ₂=6

油在变压器内的静置时间应按不同电压等级要求，不小于12h，然后进行热油循环（）