问题 填空题

2010年是巢湖市校园安全年,居巢区一批学校拆除了预制板建造的旧楼房,吸取汶川、玉树地震教训.地震时地面左右晃动,墙体受到作用力运动状态______(选填“改变”或“不变”),预制板因为______保持原来的______状态,当墙移到预制板搭头外时,预制板在______作用下向下运动,上层砸到下层…

答案

地震时墙体随地面左右晃动,受到力的作用由静止变为运动.预制板由于惯性保持原来的静止状态.当墙体与预制板分离时,预制板在空中受重力作用而下降.

故答案:改变、惯性、静止、重力.

完形填空
完形填空
       This weekend(周末), I want to   1    shopping in Limin Store. My running shoes and my pants are
too   2   . So I want   3   a new pair of running shoes and   4   . Tomorrow is Christmas Day(圣诞节),I
need   5  Christmas cards(卡片). And I would like to give my   6   some presents for Christmas. I want
to buy a shirt for my father and a pet for my mother. My mother likes cats. I want to have a Christmas party(晚会)   7  , and I would like to ask a few friends to come to my house for the party. So I must buy   8   
for the party. I want to buy two kilos of sandwiches, two   9   , a kilo of sweets(糖果), some drink,   10  
 a kilo of apples. I know they like Sichuan food, so I want to buy some hot food.
( )1. A. go        
( )2. A. new      
( )3. A. buy      
( )4. A. two pair of pant
( )5. A. any      
( )6. A. parent    
( )7. A. at school  
( )8. A. some      
( )9. A. cake      
( )10. A. but                              
B. goes        
B. old        
B. buys        
B. two pair of pants
B. some        
B. mother      
B. at home      
B. something    
B. cakes      
B. and        
C. going                
C. long                  
C. to buy                
C. two pairs of pants    
C. few                  
C. parents              
C. in my office          
C. any                  
C. bread                
C. or                    
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