单选题 It is not easy to remain {{U}}tranquil{{/U}} when events suddenly change your life.
  • A. calm
  • B. upset
  • C. steady
  • D. severe
【正确答案】 A
【答案解析】[解析] tranquil意思是“镇静的,安静的,平静的”,与calm(镇静的,沉着的)意思相近。upset难过的,沮丧的;steady稳定的,平稳的;severe严重的,严厉的。