在科研工作中可以不进行伦理审查的是

问答题Which of the following is not Toni Morrison’s novel? ( ) A Invisible Man B Beloved C Mercy D The Paradise Lost

问答题What are the themes in Allan Poe’s “The Fall of the House of Usher”? ( ) A Incest B The disintegration and annihilation of a human mind C The darkness of human’s heart D The search for identity