The students all well ____ (prepare) for the coming exams, so they all believe that they can easily pass them.
阅读材料,完成下列要求。
材料一:如图所示
材料二:如图所示
“x>3”是“x2>4”的( )
下列人物中不属于春秋时期霸主的是( )
若0<a<1,且logba<1,则( )