单选题 Most chemical reactions of an organic compound involve only a few of its numerous atoms; the remainder stay unchanged.
  • A. majority
  • B. distribution
  • C. rest
  • D. stability


【正确答案】 C
【答案解析】[解析] remainder和rest都表示“其余、其他”；majority：多数、半数以上；distribution：分配物、分配；stability：稳定性、固定、牢固。