2. 外语
  3. Genetics, the study of genes, is gaining increasing importance. Genes can【B1】______ many things, from whom we look like to what

Genetics, the study of genes, is gaining increasing importance. Genes can【B1】______ many things, from whom we look like to what

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问题     Genetics, the study of genes, is gaining increasing importance. Genes can【B1】______ many things, from whom we look like to what we eat to possible treatments for diseases. Recently, for example, two 【B2】______ research teams reported sequencing the genomes(基因组)of several patients. The teams identified the genetic【B3】______ of the patients. Those individuals have diseases【B4】______ mutations (变异)or changes in genetic material. By studying the order of the genes, the researchers found the causes of the disease. This is the first time genomes of people【B5】______ from disease have been completed. In the past, only healthy people have had their genomes fully sequenced. Experts say the results of the studies may help【B6】______ researchers develop treatments especially designed for【B7】______ patients. Genes tell every cell in an organism what【B8】______ or characteristics it can develop. Human DNA, for example, carries the information that decides our heredity, the characteristics【B9】______ us by our ancestors. The researchers were able to do their work because of the Human Genome Project. The project cost nearly three billion dollars, and was completed in 2003. Genes decide how and when each kind of cell will develop in differing organs. For example, genes【B10】______ formation of the baby’s brain at set times in a woman’s pregnancy.
【B3】
选项
答案structure
解析 由空格前的形容词genetic可知，空格处应填入一个名词。结合录音可知，答案为structure，意为“结构，构造”。
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大学英语四级

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