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题目内容
（华北水利水电大学英语）
Patientsarenowadvisedto________.( )
·monitorthehoursofdoctorsbythemselves
·makesurethatthedoctorswhotreatthemhavehadenoughsleep
·askforlegalcontrolofthehoursofdoctors
·allowtheirdoctorstosleepseveralhoursbeforetheoperation
·monitorthehoursofdoctorsbythemselves
·makesurethatthedoctorswhotreatthemhavehadenoughsleep
·askforlegalcontrolofthehoursofdoctors
·allowtheirdoctorstosleepseveralhoursbeforetheoperation
参考答案
