题目内容
4．---If there are ____ people driving，there will be ____ air pollution．---Yes，the air will be fresher if we do like this．（ ）
| A． | Less； less | B． | less； fewer | C． | fewer； fewer | D． | fewer； less |
分析 --如果开车的人越少，空气污染就越少．
--是的，如果我们这样做空气会更新鲜的．
解答 答案：D．考查比较级．句意"--如果开车的人越少，空气污染就越少．--是的，如果我们这样做空气会更新鲜的．"．第一个空，people单复同形．因此用few比较级fewer更少的，修饰可数名词．第二个空air不可数名词，因此用little的比较级less更少的，修饰不可数名词．答案是D．
点评 考查比较级，要熟练掌握比较级的变法，根据具体的语境仔细分析选择恰当的比较级形式．
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