—I still don"t know how to solve this math problem. Can you give a(n) _________ 

—I still don"t know how to solve this math problem. Can you give a(n) _________ 

题型:同步题难度:来源:
—I still don"t know how to solve this math problem. Can you give a(n) _________ for me?    
—OK.    [     ]
A. model     
B. example   
C. examples      
D. models
答案
B
举一反三
—What can I do for you, sir?    
—I want a _________ of cola.   [     ]
A. tin        
B. box       
C. bag          
D. piece
题型:同步题难度:| 查看答案
No         were lost in the big fire.[     ]
A. life   
B. lives  
C. live     
D. a life
题型:同步题难度:| 查看答案
—How can I tell one tree from another?  
—You can mostly tell them by the ____of their leaves.[     ]
A. shape    
B. size      
C. age      
D. colour
题型:同步题难度:| 查看答案
用所给单词的适当形式填空。1. She is worrying about her daughter"s _____ (ill).
2. Some countries are good at _____ (prevent) pollution.
3. The fact is that people today live longer than they _____ (do) in the past.
4. Why don"t you _____ (write) down your name on the paper?
5. Welcome to our hotel. It"s the _____ (good) in the city.
题型:同步题难度:| 查看答案
—What sign is often found in museums?  
—‘‘    ”.  [     ]

A. MENU   
B. THIS SIDE UP
C. PAUSE
D. NO PHOTOS


题型:同步题难度:| 查看答案
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