问题 单项选择题

某工程为一座大型钢结构工业厂房,建筑总面积为60000m2,主厂房结构为3层钢结构,屋檐高12m,柱网间距为12m×l5m,屋面采用双层彩色压型钢板,工期为200d。承包方为劳务分包公司,大中专毕业生占管理人员的53%,技工、高级技工占员工总数的40%,缺乏大型工程施工的经验。

受交变荷载反复作用时,钢材在应力远低于其屈服强度的情况下突然发生脆性断裂破坏的现象,称为( )。

A.韧性破坏
B.疲劳破坏
C.塑性破坏
D.强度破坏

答案

参考答案:B

阅读理解

阅读理解。

     Sigmund Freud was a world-famous  doctor of Vienna  (维也纳) .  He was also a man full of humour.

Once, at his 70th birthday party, a friend asked Freud if he could put his work into several words. "Well," said Freud, "we take the sick out of their trouble and return them to the common suffering. "

     As a devoted(忠实的) son, Freud often visited his old mother. His mother usually spent her summers in a small mountain town in Austria(奥地利). The King Josef usually spent his summers there, too.  One day

in the summer, a band was playing a lively tune(曲子) when Freud's mother was sitting at the window and watching the people singing and dancing on Main Street. The old woman had a poor memory.  She heard

the band playing, but forgot it was the King's birthday.

     Freud was visiting his mother on her 95th birthday. He told his mother, "Mama, the band is playing for your birthday. " She believed him and had a wonderful day.

1. Freud was a famous___________.

A. doctor; Austria

B. general; Vienna

C. King; Austria

D. doctor; Australia

2. From what Freud said at his 70th birthday party, we can see that he was _________ .

A. a brave man

B. a sick man

C. a devoted man

D.  a man full of humour

3. One day Freud came to the small mountain town for__________ .

A. his 70th birthday

B. the King Josef 's birthday

C. his mother's birthday

D. for his holiday

4. Which of the four sentences is WRONG?

A. Freud's mother and the King Josef usually spent their summers in the same place.

B. Freud's mother's birthday and the King's birthday were on the same day.

C. Freud's mother was so old that her memory was very bad.

D. Freud's mother knew that the band was playing for the King.

5. Freud's mother felt very happy on her 95th birthday because_________.

A. the King Josef himself came to celebrate (庆贺) her birthday

B. the people of the town came out to celebrate her birthday

C. she believed that the band was playing for her birthday

D. she heard the band playing a lively tune so wonderfully

多项选择题