精选优质文档-倾情为你奉上2015年普通高等学校招生全国统一考试（广东卷）英 语I、语言知识及应用（共两节，满分45分）第一节 完形填空（共15小题；每小题2分，满分30分）How long can human beings live? Most scientists who study old age think that the human body is _1_ to live no longer than 120 years. However, 110 years is probably the longest that anyone could hope to live if he or she is _2_ healthy and lucky. Some scientists even say we can live as long as 130 years! Yet, our cells simply cannot continue to reproduce _3_. They wear out, an
