单选题 It seems that there is a fall in the crime rate.
  • A. drop
  • B. rise
  • C. ability
  • D. increase


【正确答案】 A
【答案解析】本题考查常见的名词。Fall降落,落下;drop落下,掉下;rise上升;ability能力;increase增加,所以正确答案为A。