A:山东省
B:浙江省
C:台湾省
D:福建省
从题中所给的A、B、C、D四个选项中选出与句中划线部分意义最接近的解释。
Jack called his mother at 7:30 yesterday, but she didn't pick up at that time.
(Ⅰ)求函数f(x)的解析式;
(Ⅱ)对任意的 x∈12,+∞) ,4m2f(x)+f(x﹣1)≥4﹣4m2恒成立,求实数m的取值范围.
外界空气由鼻腔进入肺泡,要依次通过( )