缺血性心脏病最常见的病因是（）。 A.主动脉瓣狭窄 B.冠状动脉粥样硬化 C.心肌肥

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       Confucius was born on September 28,551 BC. Chinese regard Confucius as the greatest thinker and also the greatest teacher. He had about 3000 students. For more than 2000 years, Confucius' ideas have

been around in people's everyday life. Now they have gone far into east and south Asia. People can still

hear them today.

       Why are his ideas so popular? Because they help a lot in everyday life. Confucius said young people

should take care of the old. People should give up thinking of themselves and work for others. As a great

teacher, Confucius said all should go to school if they could.

1. Confucius was born on _____.

A. September 28,551AD

B. September 28,551BC

C. December 28,551 BC

D. December 28,551 AD

2. Confucius' ideas have gone far into _____.

A. east and south Asia

B. north and west Asia

C. east and south Africa

D. north and west Africa

3. Confucius thought  ___.

A. young people needn't take care of the old

B. people should think of themselves

C. people should work for others

D. all the people could go to school

4. What do people think of Confucius?

A. The greatest leader and teacher.

B. The greatest thinker and teacher.

C. The greatest leader and thinker.

D. The greatest doctor and teacher.

5. What's the passage mainly about?

A. All should go to school.

B. The old and the young.

C. Work for others.

D. Confucius and his ideas.

已知命题P：函数y＝log_a(1－2x)在定义域上单调递增；命题Q：不等式(a－2)x²＋2(a－2)x－4<0对任意实数x恒成立．若P∨Q是真命题，求实数a的取值范围．

并购中，对目标公司价值评估模式中的非现金流量折现模式包括（）。

A.市盈率法

B.市场比较法

C.现金流量折现法

D.账面资产净值法

E.清算价值法

辗压法可以消除薄板变形。

减压阀的代号是（）。

A.H

B.y

C.Q