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问题 选择题

下列物质的转变，不能一步实现的是 [ ]

A．CuO→Cu（OH）2

B．K2SO4→KOH

C．FeCl3→Fe（NO3）3

D．CaCO3→CaCl2

答案

答案：A

单项选择题

（）指的是管理者在掌握了下属的工作绩效的前提下，为了提高员工绩效水平和自我效能而进行的一系列活动。

A.绩效辅导

B.绩效监控

C.绩效反馈

D.绩效计划
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完形填空
完形填空。
     Lin Lin is a middle school student. She likes English  1 . She  2  hard. She reads English  3  morning. She
likes  4  English too. She often  5  the radio. She  6  TV on Saturdays and Sundays. Her parents like her.  7  all
the teachers like her, too. Lin Lin goes to school  8  Monday to Friday. On Saturdays, she  9  her homework.
On Sundays, she spends two hours  10  badminton with her friends.
( )1. A. at all
(     )2. A. study
(     )3. A. every
( )4. A. speak
(     )5. A. hears
(     )6. A. sees 
( )7. A. And  
( )8. A. at   
( )9. A. does 
( )10. A. plays 		B. of all     
B. studied    
B. in         
B. speaking   
B. hear       
B. watches    
B. But        
B. from       
B. do         
B. play      		C. very much   
C. studying    
C. on          
C. speaks      
C. listen to   
C. looks at    
C. So          
C. on          
C. doing       
C. playing    		D. very many
D. studies  
D. at       
D. to speaks
D. listens to
D. looks    
D. Or       
D. in       
D. to do    
D. to play  
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