Young Readers, Tomorrow's Leaders? A new study has good news for kids with strong reading skills. Such kids will have high intelligence as they get 1 . They will have a bright future. The study included 1,890 twins who did reading tests at 2 7 and 12, and an intelligence test at 16. The twins had the same genes (基因) and home environment. Therefore, the 3 between them had to be due to factors that they did not 4 . For example, one had a better teacher than the other. Some kids did better on the reading 5 than their twin brother or sister. They 6 did better on the intelligence test. The reading skills 7 to enhanced intelligence were edident by age 7. This shows that reading skills can 8 a child's intellectual development. They study also helps to 9 the differences among kids in the same family. They share genes, 10 conditions and parents. But they can be different in intellighence. A. also E. tests I. share B. differences F. affect J. older C. only G. ages K. related D. explain H. living L. interested