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Experts say it is an international trend to __________ MP2.5 to check air quality.
A.adaptB.attachC.adoptD.adjust
C
本题考查动词词义辨析。adapt适应,改编,attach附加,adopt采纳,收养,adjust调节,句意:专家们说采用MP2.5检查空气质量是国际趋势。根据语境应选C。
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