单选题 The increase in the number of cars may give rise to air pollution.
  • A. invent
  • B. cause
  • C. lead
  • D. decrease


【正确答案】 B
【答案解析】give rise to和crduse同义:使发生、引起;invent:发明、创造;lead:领导、带领;deerease:减少。