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问题 选择题

. ______ we are sure about is the need to prevent children from being spoiled.

A．What

B．Which

C．Whether

D．That

答案

答案：A

选择题
下列对应是从集合A到集合B的映射的是（　　）
A．A=R，B={x|x＞0且x∈R}，x∈A，f：x→|x|
B．A=N，B=N+，x∈A，f：x→|x-1|
C．A={x|x＞0且x∈R}，B=R，x∈A，f：x→x2
D．A=Q，B=Q，f：x→
1
x
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     Look here, please! Can you see the man in black?   1   is Mr Lee, my English teacher. He teaches (教)
us   2  . He is a very good teacher.   3   is he? He's forty-five. He is   4   America. He has a small yellow car.
It's beautiful. It's   5   the tall building now. He goes to   6   by car every day. He leaves (离开) home at 7:00
a.m. and gets home at 5:00 p.m. Tom and Tim are his twin sons.   7   are not in our school. They are in No.1
Middle School. They are in   8  . They go to school early every morning. They are both good   9  . They are
good at English. But they can't speak Chinese. Today they are not  10  school, because it is Sunday.
( ) 1. A. He          
( ) 2. A. classes     
( ) 3. A. What        
( ) 4. A. in          
( ) 5. A. under       
( ) 6. A. home        
( ) 7. A. He          
( ) 8. A. Class five  
( ) 9. A. students    
( ) 10. A. to          		B. She               
B. English       
B. How              
B. from            
B. on             
B. work            
B. They              
B. class five      
B. classes         
B. at           		C. This                
C. Chinese       
C. How old            
C. of               
C. behind         
C. working         
C. We                   
C. Class Five                         
C. girls           
C. for           
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