Robotteachersarenowverypopularwithpupilsinsomeprimarysc...
问题详情：RobotteachersarenowverypopularwithpupilsinsomeprimaryschoolsinSouthKorea.__61___(compare) withhumanteachers,therobotteachersaremorepatient.Theyneverget62 (anger)andarealwayskindtothestuden...