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问题 多项选择题

在考虑抗震设防水准时，下列（）选项是正确的。（）

A.同样的设计基准期超越概率越大的地震烈度越高

B.同样的超越概率设计基准期越长的地震烈度越高

C.50年内超越概率为63%的地震烈度称为众值烈度

D.50年内超越概率为10%的地震烈度称为罕遇烈度

答案

参考答案：B, C

阅读理解

阅读理解。

     Kate lives in London with her parents. She is a school girl. Today is Kate's birthday and she's fifteen years

old. Her father's name is Smith. He works in a hospital. People think he is a good doctor. Kate's mother is a

nurse. She is a very good nurse.

     Kate has two brothers and a sister, and they study in China. Her elder brother speaks Chinese very well and

has many friends there. He is a college (大学) student. But her younger brother and sister are middle-school

students. Both of them are studying Chinese very hard and want to be teachers of Chinese in their country.

1. Today is Kate's _____ birthday.

A. fifth

B. fifteenth

C. fiftieth

2. What is her father? 

A. A teacher

B. A nurse

C. A doctor

3. What do her younger brother and sister want to be?

A. Teachers of English

B. Teachers of Chinese

C. Teachers of maths

4. Where does her elder brother have many friends?

A. In his country

B. In the hospital

C. In China

5. Both of them want to teach _____ people Chinese.

A. English

B. American

C. Chinese

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单项选择题

过滤法污水处理中对滤料的选材的要求不正确的是（）。

A.具有足够的机械强度

B.具有稳定的化学性质

C.具有较好的光滑度

D.具有一定的颗粒和适当的孔隙度
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