单项选择题 The thesis under consideration was fundamentally ------- to the readers of that mendacious publication, and I would therefore like to use this opportunity, to stake out some of the basic arguments in need of -------.（）

单项选择题 With legal migration, governments need to persuade voters that they are accepting immigrants who will be ------- for the country, rather than those who will ------- drain resources.（）

单项选择题 Although he was ------- in his efforts to persuade us of the justness of his cause, his past history, ...... with failures, prevented us from being any more than skeptical at his words.（）