单选题 Some medical conditions can often cure themselves ______, without medical intervention.
  • A. deliberately
  • B. spontaneously
  • C. consciously
  • D. intentionally
【正确答案】 B
【答案解析】[解析] 各项的意思为：spontaneously自然地，本能地；deliberately故意地；consciously有意识地；intentionally蓄意地。所以，本题选B。