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                题目内容
                (河南师范大学大学英语Ⅱ)
            
            
                The lower the temperature, the ____water vapour is required to saturate the air..
A.fewer
B.fewest
C.less
D.least
                    
                    
                    
                
                
                
            
        A.fewer
B.fewest
C.less
D.least
参考答案