问题 多项选择题

下面关于工业废水的生物处理中,说法正确的是( )。

A.生物膜法有滴滤池、塔滤池及生物转盘等形式

B.氧化沟与其他活性污泥法相比,具有占地大、投资高、运行费用也略高的缺点

C.废水厌氧生物处理是指在五分子氧条件下通过厌氧微生物的作用,将废水中的各种复杂有机物分解转化成甲烷和二氧化碳等物质的过程,也叫厌氧消化

D.接触氧化池是生物膜法的一种

E.厌氧接触池具有运行稳定、操作较为简单的优点,但是其耐冲击负荷较小

答案

参考答案:A,B,C,E

解析:D的正确说法是:厌氧接触池具有运行稳定、操作较为简单的优点,其耐冲击负荷较大。

阅读理解

阅读理解

     Charlton Heston was born in 1923 in Evanston, Illinois. Charlton Heston discovered his interest in

acting while performing in plays at his high school. He later spent two years studying theater at

Northwestern University in Evanston, Illinois. But he left college to join the Army Air Forces during World War Two.

     After the war, he found small roles in the theater as well as in television shows. His performance in a

television version of the book Jane Eyre caught the attention of the Hollywood producer Cecil B. DeMille who later asked Heston to play the role of Moses in his movie The Ten Commandments which came out in 1956. This role made Heston famous and defined (明确) his career as a hero and leader. His face and

body represented strength and heroism in many different roles. He played cowboys, soldiers and athletes.

The 1959 movie Ben Hur made Charlton Heston an even bigger star. Ben Hur won eleven Academy

Awards, including Best Actor for Charlton Heston. Heston starred in many adventure movies during the 1960s. In the 1970s, Heston appeared in popular disaster movies like Earthquake,. Skyjacked and Airport 1975.

     Charlton Heston was also very active in the movie industry. He worked to help set up the American

Film Institute. In 1977 he was honored for his service in the industry. He received the Jean Hersholt

Humanitarian Award from the Academy of Motion Picture Arts and Sciences. In 1997 he was awarded a Kennedy Center Honor. And, in 2003, President Bush gave Charlton Heston a Presidential Medal of

Freedom, the nation's highest civilian honor.

     In 2000, Charlton Heston issued a statement announcing that he had an Alzheimer's disease. He died in 2008 at his home in Beverly Hills, California.

1. What kind of role did Charlton Heston often play in films?

A. Heroes.      

B. Cowboys.  

C. Soldiers.    

D. Athletes.

2. Which film won Best Actor for Charlton Heston?

A. Jane Eyre.  

B. Earthquake.  

C. Ben Hur.  

D. The Ten Commandments

3. What can we learn about Charlton Heston according to the passage?

A. He began to show his talent in Ben Hut.    

B. He used to be a soldier.

C. He was once awarded by Kennedy.        

D. He won eleven Academy Awards.

4. What's the main idea of Paragraph 2?

A. How Charlton Heston became famous.

B. How Charlton Heston began his career.

C. Who made Charlton Heston a popular star.

D. Who made Charlton Heston win so many awards.

单项选择题