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          【題目】About ______ of the surface of the earth is covered with water.
          A. three fourth B. three fourths C. third fourth D. third fours
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          【答案】B
          【解析】
          考查分數(shù)的表達法。句意：地球表面大約四分之三被水覆蓋。分數(shù)的表達法：分子用基數(shù)詞，分母用序數(shù)詞，當分子超過1時，分母用復數(shù)形式。故選B。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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