【正文】
many as eight weeks. Parents pay from one hundred to more than seven hundred dollars a week for overnight camps. Day camps are much cheaper. The American tradition of sending children to summer camps began more than one hundred years ago. 1. How many American children are involved in summer camps? A. More than 1,000,000. B. More than 10,000,000. C. More than 9,000,000. D. Over 90,000,000. 2. How long does an overnight camp last? A. From 6 to 16 weeks. B. One or two weeks. C. From 1 to 8 weeks. D. Eight weeks. 3. What can we learn about the overnight camps? A. Overnight camps cost more. B. Overnight campers are older. C. Overnight camps last longer. D. Overnight campers can learn more. 4. How much do parents pay for a week overnight camps? A. From one hundred to more than eight hundred. B. From one hundred to more than seven hundred.