单选题 A careful {{U}}screening{{/U}} of the disease will lessen the patients' anxiety.
  • A. showing
  • B. hiding
  • C. investigation
  • D. projection
【正确答案】 C
【答案解析】investigation“调查,审查”。本题考查在具体语境中词义的辨析和单词的选用。A项showing“出示,指示”;B项hiding“隐匿”D项projection“预测,预计”。