单项选择题
A. Which is the way to the Children’ s Hospital B. Go along this road C. How far is it D. Where is she E. Thank you. F. By the way. G. Can I take a bus H. Here you are.
A. Gene technology helps people with hereditary diseases to live longer. B. Using gene technology, scientists find the wrong gene and correct it. C. Using gene technology, human babies can be cloned. D. Doctors can cure cancer and heart disease with the help of gene technology.
A. Surroundings B. Intelligence C. Dependence on Environment D. Effect of Education