1. (2019·深圳模拟) 阅读理解

    Running is becoming popular these days. Many of us run for our health. Doctors say many of the health problems come from these bad habits: eating too much, drinking too much, smoking, and not taking enough exercise. Doctors tell us, "Eat and drink less, don't smoke, and exercise more. "

    Running is a good form of exercise because it helps build a strong heart. It also helps most people lose weight. One 68-year-old woman runs thee times a week. She runs to lose weight. "I love to eat," she says.

    Running is good for health in other ways, too. Many runners say running keeps colds and other small health problems away. "Running is my doctor," says one man. Running can also help people to relax. So today men and women of all ages enjoy running.

1. （1） Many people enjoy running because they want to _________.

   A . eat much B . keep healthy C . run fast D . waste time
3. （2） Doctors tell us ________.

   A . not to smoke B . not to exercise C . to drink much D . to eat much
5. （3） The third paragraph (段落) shows _________.

   A . running helps people to relax B . running people have many health problems C . running helps build a strong heart D . running people can't see a doctor
7. （4） The writer mainly tells us ________.

   A . how to run B . running is better than a doctor C . running is a good way to keep healthy D . to lose weight