单选题 During the SARS period, it is especially important to ventilate the room.
  • A. dust
  • B. clean
  • C. remove
  • D. air


【正确答案】 D
【答案解析】ventilate和air同义，意为“使通风”；dust：掸掉……上的灰尘；clean：打扫、清洁；remove：移走、搬家。