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    The number of books in the bookshop is about 10,000 and a number of them 
         about science.
    A．isB．wasC．a(chǎn)reD．Were
    			
    


			
    

		
    
		
		
	
    
		
    
			
    
				
    
				
    C
    考查動詞的用法。依據(jù)第一句中的謂語動詞“is（一般現(xiàn)在時）”可推斷出第二句的時態(tài)也應(yīng)是一般現(xiàn)在時，故保留A和C項(xiàng)；由短語“a number of...”的謂語動詞是復(fù)數(shù)，故選C。
    				
    
							
    
			
    
			
    
			
			
    
		
    
	
    

		
    

		





			
    
		
    
		
				
    
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