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问题 单项选择题

美国心理学家研究认为，在儿童的安慰、帮助和同情等能力形成过程中，起决定作用的是（）。

A、父亲

B、同龄人

C、母亲

D、教师

答案

参考答案：B

解析：同龄人的相互作用对儿童同情等能力的形成起着决定作用。

单项选择题

以下关于数字签名的叙述中，错误的是（）

A．数字签名能够确认签名者的身份

B．数字签名能够保证数据的完整性

C．数字签名具有不可否认性

D．数字签名由公钥生成
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完形填空
完形填空。
     Mr and Mrs Smith are from England. Now they are in   1      with their children. This is the first time
they have come to China. Mr Smith is a musician. He   2     music very much. He plays the piano every
day. Mrs Smith is a teacher. Her   3 love her very much and her daughter studies at   4 school.
     Mrs Smith likes   5      very much. She thinks she can learn about Chinese history. But her daughter
doesn't think so. She likes   6  and her favorite singer is Liu Huan. Mr Smith's son doesn't like watching
movies or singing. He thinks they are boring. He likes sports. His favorite sport is   7   . He wants to be
a player like Ma Lin.
     The Smith are going to   8   . rrhey want to take   9    0n the Great Wall and they also want to have
some special        10   , for example, Beijing Duck. May they have a good trip.
( )1. A. New York  
( )2. A. knows    
( )3. A. friends  
( )4. A. her      
( )5. A. thrillers
( )6. A. swimming  
( )7. A. ping-pong
( )8. A. Hangzhou  
( )9. A. books    
( )10.A. fruit     		B. Shanghai  
B. leams      
B. sisters    
B. my        
B. comedies  
B. dancing    
B. basketball
B. Beijing    
B. clothes    
B. tea        		C. Paris        
C. needs        
C. children      
C. his          
C. Beijing Opera
C. singing      
C. baseball      
C. Qingdao      
C. bags          
C. food          		D. London        
D. loves          
D. students      
D. its            
D. action movies  
D. painting      
D. volleyball    
D. Dalian        
D. photos        
D. vegetables     
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