Patientsarenowadvisedto________.( )
·monitorthehoursofdoctorsbythemselves
·makesurethatthedoctorswhotreatthemhavehadenoughsleep
·askforlegalcontrolofthehoursofdoctors
·allowtheirdoctorstosleepseveralhoursbeforetheoperation
出自:华北水利水电大学英语