题目

 When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside _____ younger men.   A. in terms of      B. in need of     C. in favor of       D. in praise of    答案：C在科学探究中，如果遇到障碍不能证明自己的假设是否成立，应采取的相应措施，下列有关叙述中不可行的是（ ）A．重新进行假设B．研究制定出科学的探究计划C．改变探究方法D．改进实验条件、器具或材料