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问题 选择题
下列各式：①（-
1
3
）-2=9；②（-2）0=1；③（a+b）2=a2+b2；④（-3ab3）2=9a2b6；⑤3x2-4x=-x．其中计算正确的是（　　）
A．①②③B．①②④C．③④⑤D．②④⑤
答案

①（-

1
3
）2=
1
9
；②（-2）0=1；③（a+b）2=a2+2ab+b2；④（-3ab3）2=9a2b6；⑤3x2和4x不是同类项不能合并．

故正确的有①②④

故选B．

单项选择题

下列不属于经济作物的是()

A、薯类作物

B、纤维作物

C、糖料作物

D、嗜好性作物
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完形填空
完形填空。
     This is my New Year's resolution.  First I'm going to ___1___ good
grades,  for work must come ___2___,   then I'm  going to learn to  play 
___3___ piano,  I love music.  In the morning,  I'm going to get a lot of
___4___, I want to be healthier. And I ___5___ want to make a football
team. We want ___6___ the first prize. If I have time, I am going to get a
__7____ job. Money is important and useful.
( )1. A. get      
( )2. A. last      
( )3. A. /        
( )4. A. exercise  
( )5. A. too      
( )6. A. win      
( )7. A. part time 		B. take        
B. one          
B. an          
B. exercises    
B. both        
B. to win      
B. part times   		C. do          
C. first        
C. a            
C. practices    
C. either      
C. beat        
C. part time's 		D. catch          
D. once          
D. the            
D. game          
D. also          
D. to beat        
D. part-time    
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