单选题 Today, housework has been made much easier by electrical ______.
  • A. appliances
  • B. facilities
  • C. instruments
  • D. equipments
【正确答案】 A
【答案解析】(appliance用具，器具，装置，electrical appliances家用电器)。B．facility常用复数，多指“公共设施”；C．instrument多指“精密的仪器”，也可指“乐器”；D． equipment设备。