______ should ensure that adequate measures are taken to prevent

  • 2024-01-21 14:21:52
  • YY3

______ should ensure that adequate measures are taken to prevent alcohol and drugs from impairing the ability of watchkeeping personnel.教材157
--------------------------------------------------------------------------------

A.The quarantine officers

B.The Customs officers

C.The immigration officers

D.Administrations

正确答案是D