One evening when it was swarm, I stayed awake ___________ until half past eleven in order to have a good look at the moon by myself.

A．on averageB．on purposeC．on saleD．on schedule

B

解析試題分析：on average通常，平均；on purpose有目的地；on sale廉價(jià)出售；on schedule按時(shí)。句意：一天晚上我一直故意沒有去睡覺，直到晚上11:30，為了自己去看看月亮。根據(jù)句意故選B。
考點(diǎn)：考查介詞短語的用法。
點(diǎn)評(píng)：本題難度適中。介詞短語也是高考的熱點(diǎn)，需要考生平時(shí)多積累，注意它們的用法及區(qū)別。
即學(xué)即練：He could have finished it __________, but somehow he fell behind.
A. on average        B. on purpose        C. on sale         D. on schedule
解析：D。句意：他原本能按預(yù)定進(jìn)度做完這件事的，但不知怎地卻落后了。

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科目：高中英語 來源：浙江省模擬題 題型：完形填空

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(     )1. A. which    
(     )2. A. busy    
(     )3. A. under    
(     )4. A. been exploded
(     )5. A. millions   
(     )6. A. well    
(     )7. A. delivering
(     )8. A. may      
(     )9. A. allowed  
(     )10. A. increase
(     )11. A. with    
(     )12. A. attention
(     )13. A. quite  
(     )14. A. using  
(     )15. A. more    
(     )16. A. problem
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(     )19. A. taken up  
(     )20. A. happening to		 B. where  
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B. on    
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B. millions of
B. good  
B. carrying
B. must  
B. invented
B. decline  
B. before
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B. almost
B. talking
B. less  
B. question
B. pick up  
B. as    
B. filled by
B. going on		 C. there  
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D. sending        
D. should        
D. bought        
D. rose          
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D. fewer          
D. answer        
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D. though        
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