试题与答案

当代中国文化的“魂”,就是社会主义核心价值体系。文化的“体”有多种形式,从大的方面讲

题型:单项选择题

题目:

当代中国文化的“魂”,就是社会主义核心价值体系。文化的“体”有多种形式,从大的方面讲,包括国民教育体系,公共文化服务体系、文化产业体系以及各种形式的文化产品和服务等。在文化建设的实践中,要处理好“魂”与“体”的关系,就必须()

①增强用社会主义核心价值体系统领文化建设的自觉性和坚定性

②不断推进社会主义文化大发展大繁荣

③不断加强文化载体建设,提高文化传播力

④处理好文化产品的意识形态属性和商品属性的关系

A.①③

B.③④

C.②④

D.②③

答案:

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参考答案:A解析:本题考查北半球冬季气压的分布状况,冬季北半球的副极地低气压带,被大陆冷高压切断,亚欧大陆上蒙古—西伯利亚高压(亚洲高压)最为强盛,对我国的天气、气候影响最深刻。点评:本题难度较小,...

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                                                                         A
Dear Grandma,
       How's it going? I hope that Grandpa is well now. I was sorry to     1    that he had a cold last week. I     2    you are in good health. Things are fine here. I finished my end-of-year exams last week, and got
my    3     card today. I always get nervous     4    I see the envelope from school in the mail, but luckily I     5    OK this time. I had a really hard time with science this semester, and I wasn't surprised to find
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find science really    7    . The good news is that my math teacher said I was hard working. And my
Spanish teacher said my listening was good. Well, that's about all the news I have for now. Mom and Dad
send their love.
                                                                                                                                                 Love,
                                                                                                                                                 Alan

( )1. A. see   
( )2. A. like   
( )3. A. post   
( )4. A. when   
( )5. A. was   
( )6. A. worst  
( )7. A. exciting    
B. hear   
B. wish   
B. student 
B. while  
B. did   
B. best    
B. easy          
C. listen    
C. want       
C. report    
C. since   
C. got       
C. longest  
C. interesting    
D. notice       
D. hope         
D. teacher      
D. until        
D. made         
D. shortest                            
D. difficult
                                                                          B
       I don't know if the world is really more dangerous now than it was 30 years ago. But I'm sure that it
seems that way. The world is a dangerous place. We want our children to know it,     1    they will stay
safe. But we don't want them to be afraid all of the time. Fear is a     2     feeling. We need fear to keep us
from doing stupid things. But frequent fear is more likely to come down with illness.
       So, what can you do to keep your child safe, without fear?
       First, make your home a safe place. Make it a rule that nobody    3    anybody else in your home, neither
by deed nor by word. When you have to    4    a scary world, it helps to have a fear-free home base.
       Let your kids know that most    5    are well-mannered people. It's possible to be    6    without putting
yourself in danger. I think that the "never talk to strangers"rule often does more harm than good.
       Take steps to help those     7    , and let your children help beside you. By helping others, they'll come
to expect that others will help them if they ever need it.
       As parents, we can't make sure that our children will never come to harm. But we will always do
everything we can to keep them safe, and to make the world safer for all children and people. The experience
of being with others in a neighborhood of    8    and the safety of a peaceful home is what children need to
be able to live without fear in a dangerous world. 
( )1. A. so that 
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B. face      
B. teachers    
B. lovely      
B. in need  
B knowing  
C. before   
C. possible   
C. hurts    
C. keep    
C. friends   
C. safe       
C. with fear  
C. caring  
D. after    
D. useful     
D. warns     
D. make   
D. strangers                   
D. afraid    
D. on time
D. fighting 
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题型:问答题

如图所示,带有等量异种电荷的两平行金属板A和B水平放置,板间匀强电场的场强大小为E,方向竖直向下,两板正中央均开有小孔,板长为L,板间距离为L/3,整个装置处于真空环境中,在A板小孔正上方、距小孔为L处的P点,由静止释放一个带正电的小球(可视为质点),小球进入AB两板间时加速度变为原来的2倍,设小球通过上、下孔时的速度分别为v1、v2.现改变两板的带电性质,使两板间场强方向与原来相反,但大小不变,同时在两板之间加上垂直纸面想里的水平匀强磁场,再次在P点由静止释放该小球,小球从A板小孔进入两板间后,不碰撞极板而能从两板间飞出.求:(重力加速度为g)

(1)v1与v2之比

(2)磁感应强度B的取值范围.

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