Therewasonceaprofessorofmedicine,whowasverystrictwithth...
問題詳情：Therewasonceaprofessorofmedicine,whowasverystrictwiththestudents.Wheneverhetookthechairontheexamcommittee(擔任考試委員會主席),thestudentswouldbeinfear,becausehewasseldompleasedwiththeanswersth...