2015广东高考题汇编.doc

I1完形填空 I1[2015·广东卷] 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, and as a result, we get old and __4__ die. Even though we cant live forever, we are living a __5__ life than ever before. In 1900, the average American life span (寿命) was only 47 years, but today it is 75 years! When does old age begin then? Sixty-five may be out-of-date as the __6__ line between middle age and old age. After all, many older people dont begin to experience physical and mental __7__ until after age 75. People are living longer because more people __8__ childhood. Before modern medicine changed the laws of nature, many children died of common childhood __9__. Now that the chances of dying __10__ are much lower, the chances of living long are much higher due to better diets and health care. On the whole, our population is getting older. The __11__ in our population will have lasting effects on our social development and our way of life. Some people fear such changes will be for the worse, while some see __12__， not disaster. Today, many men and women in their “golden years” are healthy, still active, and young in __13__ if not in age. As our society grows old, we need the __14__ of our older citizens. With long lives ahead of them, they need to __15__ active and be devoted. 1．A.designed B．selected completely B．generally rapidly B．harmlessly eventually B．hopelessly busier B．longer finishing B．guiding waiting D．dividingstress B．damage survive B．enjoy value 9．A.problems B．fears poor B．young 11．A.changes B．recovery dreams B．chances mind B．appearance protection B．suggestions sound B．appear 【要点综述】 这是一篇说明文。文章主要介绍了人的寿命是有限的，但是随着社会的发展，人们生活水平的提高，人们的寿命比以前更长了，而且老龄化已经成为社