36. According to the passage, which of the following is true? A. Eating less than usual might make us live longer. B. We don't need to go on a diet. www.examｗ.com C. A meager diet may be fun. D. We have to begin dieting from childhood. 37. How many mice were compared in Spindler's experiment in one group? A.3. B.6. 考试用书 C.9. D.12. 38. What can be in{erred about the experiment? A. Completely normally fed mice will not experience free radical production. B. Mice dieting in old age are not prone to diseases. C. Mice dieting all their lives live longer. D. Dieting doesn't play any role in slowing down aging. 39. The researchers studied the mice. A. to tell us how mice's liver genes behave. B. to encourage people to diet to be healthy. C. to try to make it work in people. D. to describe the influence of old age on mice. 40. According to the last two paragraphs, Spindler believes that A. dieting is not a good method to give us health and a long life. B. seeing the effect of a diet, people will eat less than normal. C. calorie restriction is very important to young people. D. drugs do not have the effects of calorie restriction.
