北魏孝文帝改革的主要历史背景是 ①鲜卑族自身的落后,难以对先进地区实施有效管理

题型:选择题

问题:

北魏孝文帝改革的主要历史背景是

①鲜卑族自身的落后,难以对先进地区实施有效管理    

②人民负担沉重,阶级矛盾尖锐

③统治阶级内部矛盾尖锐,需要缓解   

④汉族先进制度和文化的影响以及民族大融合趋势的出现[ ]

A.①②③    

B.①③④   

C.②③④    

D.①②③④

考点:北魏孝文帝改革
题型:选择题
完形填空.
   There are many different kinds of cars in the world.  My aunt thinks this is because cars are   1   their
drivers. She says, "Rich people have expensive cars, big people have large cars, and old people drive
old cars." But I don't   2   with her.   
     My neighbor, Mrs Hill, is 82 years old. She drives only on Tuesday, and she drives only to the bank.
She   3   drives more than 30 kilometers an hour. Do you think Mrs Hill has a very    4  and small car?
No, her car is new. It's very large, and it   5   go 200 kilometers for each hour!
       My friend is   6  . He draws beautiful pictures with lots of colors. But his car is black! Mrs Bates
has a very, very old one. There is often something   7   with the car. Does she drive that kind of car
because she is poor? No, she has four factories and   8  dollars in the bank. My aunt Mary has a very
   9   car, though she drives to the country with her husband, her two children, her mother and their dog.
      Now you have   10   my friends and their cars. Do you agree with my aunt? Maybe you  have a car.
Does it say anything about you?
(    )1. A.for        
(    )2. A.like        
(    )3. A.never      
(    )4. A.old        
(    )5. A.may        
(    )6. A. a teacher  
(    )7. A. interesting
(    )8. A. twenty      
(    )9. A. big        
(    )10.A. read about
B. with        
B. look after  
B. always      
B. new        
B. can        
B. a reporter  
B. wrong      
B. two hundred
B. small      
B. called      
C. like        
C. agree        
C. sometimes    
C. broken      
C. must        
C. a writer    
C. mistake    
C. two thousand
C. expensive  
C. seen        
D. among      
D. chat      
D. often      
D. beautiful  
D. has to    
D. an artist  
D. trouble    
D. two million
D. new        
D. met with  
题型:选择题

如图根据(  )判读方向.

A.经纬网

B.指向标

C.上北下南

D.左西右东

题型:选择题

下列方法中,()被应用于违约风险区分能力的验证。

A.CAP曲线与AR值

B.ROC曲线与A值

C.KS检验

D.二项分布检验

E.扩展的交通灯检验

题型:选择题

影响中学生心理健康的因素有哪些

题型:选择题

流行性出血热的休克属于()

A.心源性休克

B.内失血浆性休克

C.感染中毒性休克

D.失水性休克

E.失血性休克

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