小肠绒毛上皮细胞易吸收葡萄糖，却难吸收相对分子质量比葡萄糖小的木糖，原因是
Jenny's uncle is a scientist. She is proud ________ him.
执行如图所示的程序框图，若输出的结果为4，则输入p的取值范围是____
