计算题:已知某一变送器的可靠性概率是0.96,试问当将三个该类变送器串联时和并联时,

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问题:

计算题:已知某一变送器的可靠性概率是0.96,试问当将三个该类变送器串联时和并联时,系统的总可靠性概率。

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Started in 1636, Harvard University is the oldest of all the colleges and universities in the United States. Yale, Princeton, Columbia and Dartmouth were opened soon after Harvard.

In the early years, these schools were nearly the same. Only young men went to college. All the students studied the same subjects, and everyone learned Latin and Greek. Little was known about science. And few people knew that one kind of school could teach everything that was known about the world. When the students graduated, most of them became ministers or teachers.

In 1782, Harvard started a medical school for young men who wanted to become doctors. Later, lawyers could study in Harvard's law school. In 1825, besides Latin and Greek, Harvard began to teach modern languages, such as French and German. Soon it began to teach American history.

As knowledge increased, Harvard and other colleges began to teach many new subjects. Students were allowed to choose the subjects that interested them. Today, there are many different kinds of colleges and universities. Most of them are made up of smaller schools that deal with special fields of learning. There's so much to learn that one kind of school can't offer all.

小题1:In the early years, people learned_______ in colleges.

A.science

B.medicine

C.law

D.Latin and Greek小题2:Most of college graduates became_______ in the early years.

A.lawyers

B.doctors

C.ministers or teachers

D.businessmen小题3:Which of the following is TRUE according to passage?

A.In the early years, everyone can go to colleges.

B.In 1782, Harvard began to teach German.

C.More and more courses were taught in college with the improvement of knowledge.

D.In the early years, different colleges majored in different fields.小题4:Nowadays college students_______.

A.can learn everything they are interested in

B.learn the same subjects

C.must learn Latin and Greek

D.go to different smaller schools

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对伤寒诊断有意义的肥达反应结果是()

A.O效价>1:80、H效价>1:160

B.O效价>1:160、H效价>1:160

C.O效价>1:80

D.O效价>1:160、H效价>1:80

E.H效价>1:160

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常用的低通和高通滤波器有以下几种:()、()、()、()、()。

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完形填空。
     Drama (戏剧) and the performing arts are excellent methods of building confidence in children and adults
alike. Learning through drama allows children to   1   their creativity and have fun while leaving their   2   and
worries behind. Drama also wrorks by supporting the growth of imagination and other skills.
     Entertainment has become rather passive with   3 , television and video games becoming more popular.
These screen-based methods have had a   4   effect on communication. They prevent children communicating
with others.   5 , drama puts the children emhusiastic about communication back into entertainment. Children
have the opportunity to   6   with others in a more rneaningful way   7   drama encourages speech development,
awareness of body language and allows children to become more   8   aware.
     Play and drama are closely linked. When children play a game, they are using their   9   and so are moving
away from reality to  10  their own story. Drama is a vehicle  11  which children can express themselves rnore
freely to make education fun.
     Children gain  12  by understanding that there is no final answer in drarna and that their opinion and
contribution are valued. They are able to  13  to rmny issues and situations such as poverty, recycling and global
warming.Drarm and  14  have a stmng link as drama can  15  children to take an active interest in other subjects
such as geography, history and English and so they can  16  a more rounded education.
     As a drama teacher, I have witnessed a child at his first class holding on to his parent's arm  17  to let go.
Then to see the same child running into my class with a smile is an  18  sight. Drama installs confidence in
children by allowing them to improvise (即兴创作) and experiment. Everyone is given the opportunlty to shine 
 19  drama. Besides learning the history of the theatre, drama  20  dance, music, and directing, etc. These
classes are especially designed to be of great fun.
( )1.A. express          
( )2.A. depression     
( )3.A. cinema         
( )4.A. positive       
( )5.A. However        
( )6.A. compare        
( )7.A. though         
( )8.A. mentally       
( )9.A. determination  
( )10.A. create         
( )11.A. through        
( )12.A. success        
( )13.A. stick          
( )14.A. language       
( )15.A. persuade       
( )16.A. have           
( )17.A. tired          
( )18.A. ordinary       
( )19.A. over           
( )20.A. possesses  
B. expose       
B. happiness     
B. radio        
B. negative      
B. Besides      
B. discuss      
B. as            
B. physically    
B. consideration     
B. tell          
B. beyond       
B. hope          
B. turn          
B. education     
B. require       
B. continue      
B. unwilling     
B. excellent    
B. above        
B. applies       

C. experience   
C. shyness      
C. media         
C. sensitive    
C. Therefore    
C. connect      
C. if            
C. emotionally  
C. communication   
C. read          
C. across       
C. admiration   
C. respond       
C. play         
C. encourage    
C. provide       
C. sorry        
C. odd           
C. after         
C. covers        

D. explore       
D. sadness       
D. drama          
D. subjective    
D. Meanwhile     
D. compete       
D. before        
D. socially      
D. imagination    
D. believe       
D. for           
D. confidence    
D. reply         
D. entertainment           
D. train         
D. give          
D. pleased       
D. imaginary     
D. within        
D. links         
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2015年地方收入分配改革加速推进,各省份先后出台缩小收入分配差距、建立健全工资正常增长机制的收入分配改革实施意见。北京、天津、深圳等地区均宣布提高最低工资标准。各地最低工资标准的提高()

①旨在提高居民收入在国民收入再分配中的比重②有助于促使企业走出经营管理的“低成本陷阱”

③有利于引导企业承担社会责任,促进社会公平④是为了更好地发挥财政作用,完善社会保障体系

A、①③

B、②③

C、②④

D、①④

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