The editors said they must report to the world how Beijing has______pollution and improved the quality of the environment.

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问题 The editors said they must report to the world how Beijing has______pollution and improved the quality of the environment.

选项 A、cut up
B、cut off
C、cut down
D、cut out

答案C

解析 经分析可知空格处的意思是:减少污染,改善环境质量。只有cut down意为“砍倒,削减”符合句意,cut down pollution的意思是“减少污染",因此本题的正确答案为C。cut up:“抨击,歼灭”,cut off:“切断,断绝”,cut out:“切掉,取代",明显都不符合句意。
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