第17题: [单项选择]The graduate committee must be in full accord in their approval of a dissertation. A. indecisive B. unanimous C. vocal D. exposed 参考答案:B 答案解析:画线词in full accord:协调一致的,与选项B.unanimous(全体一致的)为同义结构。辨义:A.indecisive难以决定的;C.vocal声音的;D.exposed被揭露的。敌选B