题干
To persuade drivers to ____checking their phones whenever they beep, the New York state plans to introduce so-called Texting Zones along its major highways to make sure of the drivers' safety.
A：allow
B：resist
C：admit
D：insist
答案(点此获取答案解析）
B
，定义运算
，其中
是常数，等式右边的运算是通常的加法和乘法运算。已知
，并且有一个非零常数
，使得对任意实数
， 都有
，则