精选优质文档-倾情为你奉上2014高考英语阅读理解基础精品练习题（58）及答案阅读理解DNA(Deoxyribonucleic acid)is one of the most important discoveries in science. DNA is the plan for the human being, as a blueprint is the plan for a building. DNA makes a person look the way he does. A persons DNA comes from a mixing of his parents DNA. Thats why a child looks like his parents. But, besides controlling things such as height and hair color, DNA can also give people diseases. Scientists are now studying DNA to cure diseases.
