【单选题】We must try our best to protect some of the ______ cultural treasures.
【单选题】Some students are ______ and want to take only the courses for which they see immediate value.
【判断题】影响职业生涯规划变化的因素很多,有的变化因素可以预测,有的变化因素难以预测。( )
【单选题】二进制数110110010.100101转换成十六进制是( )。