452、513、507三个数的近似数都是[ ] A.450 B.500 C.51

题型:选择题

问题:

452、513、507三个数的近似数都是[ ]

A.450    

B.500    

C.510    

D.550

考点:整数的近似数及改写
题型:选择题

解释下列词语的意思。

1.纳闷:_______________________________

2.搞鬼:_______________________________

3.辩解:_______________________________

题型:选择题

天疱疮的诊断依据中以下哪项是错误的:()。

A.中老年多发

B.正常皮肤上为主发生松弛性大疱

C.尼氏征阳性

D.粘膜常常受累

E.病理活检显示表皮下水疱

题型:选择题
完形填空
     "It's my own fault." Carl Fenter pulled his jacket closer against the abnormal bite of cold morning wind.
"The rest of the family is home, where it's__1__."
     Just another one of his__2__ideas-a big tamale (玉米粉蒸肉) feast after tonight's Christmas Eve
service at the church-and look where it landed him:waiting in a line 50 people deep.
     Who would have guessed that the tamale in every shop in the city would be sold out the day before
Christmas?But they__3__, as Carl knew.He had been driving all over El Paso that morning.__4__to bring
home tamales, Carl tried one last shop, an old favorite out in Canutillo.
     When he arrived, a fresh batch (一炉) was__5__off the steamer in 45 minutes.__6__at the end of the
snaking line of tamaleseekers, he watched the woman in front of him__7__her jacket to cover her shivering youngster.It wasn't long before she, too, __8__in the biting wind.After only a moment's__9__, Carl took
off his own jacket and offered it to the__10__mother.
     Together, they__11__when the line slowly moved forward at last, and smiling people exited the shop
carrying steamy bags.__12__, Carl got inside the door and__13__closer to the counter, the woman now
first in line."Sorry folks, " the clerk announced, "that's the last of the tamales.""__14__!" Carl groaned
(抱怨) with everyone else__15__behind him.
     "__16__, "stressed the man at the counter, "we'll have a final batch ready__17__, oh, about two
hours."
     Defeated, Carl backed away, but the young mother grabbed his arm.
     "You're leaving?"
     "I__18__, "Carl glanced at his watch."I promised to put up luminarias (传统圣诞灯) at my church."
     "I'll get your order of tamales and bring them to your house."
     Carl's brow furrowed "I couldn't ask you to do that."
     "But it's__19__I can do.You lent me your coat." Her smile overrode (推翻) his objections."Just give
me your address." She and her little girl settled in for the long wait.
     And at__20__noon on Christmas Eve, they delivered four dozen fragrant tamales-along with Carl's
brown jacket-to his home.
( )1. A. harmonious    
( )2. A. brilliant      
( )3. A. were        
( )4. A. Decided      
( )5. A. ready          
( )6. A. Finding his way
( )7. A. move      
( )8. A. waved        
( )9. A. assumption    
( )10. A. grateful    
( )11. A. cheered      
( )12. A. Immediately  
( )13. A. shouldered his way
( )14. A. No problem  
( )15. A. lined up    
( )16. A. So         
( )17. A. before       
( )18. A. plan to    
( )19. A. the least  
( )20. A. just      
B. warm          
B. bad            
B. did            
B. Determined    
B. prepared      
B. Taking his road
B. reject        
B. froze          
B. appreciation  
B. respectful    
B. congratulated  
B. Hopefully      
B. forced his way
B. No way        
B. held up        
B. But            
B. for            
B. intend to      
B. the most      
B. exactly        
C. happy        
C. stupid        
C. could          
C. Wanted        
C. soon          
C. Taking his place
C. abandon      
C. shook        
C. hesitation    
C. hopeless      
C. shouted      
C. Lastly        
C. felt his way
C. No doubt      
C. looked up      
C. Then        
C. in          
C. have to      
C. the last      
C. accurately    
D. pleasant        
D. common          
D. had              
D. Expected        
D. due              
D. Finding his place
D. remove          
D. shocked          
D. attention        
D. shameful        
D. screamed        
D. Fina lly        
D. inched his way  
D. No wonder        
D. waited up        
D. Besides          
D. after            
D. ought to        
D. the best        
D. right            
题型:选择题

节理走向玫瑰花图主要反映()。

A、节理的走向优势方位

B、节理的倾向优势方位

C、节理密度

D、共轭节理

题型:选择题

国外高炉炉身下部广泛应用密集式铜质水箱冷却板,因为它的冷却性能(),而且损坏后易于更换。

更多题库