已知二次函数y₁=ax²+bx+c与一次函数y₂=kx+m（k≠0）的图象相交于点A（﹣2，4），B（8，2）．如图所示，则能使y₁＞y₂成立的x的取值范围是____．

一个角的两边开口越大，这个角就越____。（用”大"或者"小"作答）

阅读理解
A
    My name's Li Yan．I'm from Belling and I'm 13 years old.I study in No．1 Middle School．I'm in Class 2．Grade 7．I'm in the school music club．I can play the guitar well and I am good at playing the piano．Lang Lang is my favorite musician．I dream of being a musician like him．
    LiYue is my sister．We are twins(双胞胎)．We go to the same school， but she is in Class 4．Grade 7．She can play ping-pong very well and she is in the sports club．She likes Zhang Jike and Ma Long best．She often watches them play ping-pong on TV.
    My sister and I are learning how to swim．We are not good at it now,but we are trying our best(尽我们最大的努力)to learn it．It is a really healthy sport．
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为确保实验组、对照组实验结果的合理性，对影响实验的其他相关因素应设置（  ）

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