第3题: [填空题]A. that person’s health B. a scientific answer C. scientific researchers D. the genes E. the function F. the size
Scientists are trying hard to discover ______ of each of the genes in our body. 参考答案:E 答案解析:[解析] 本题答案可以由第四段第一句“It will take years to identify the role of each of the 100,000 genes”(确定10万个基因组的作