31、IMPROVE ON SLFEP

Good health needs good sleep．Going to bed before you’re tired．Not eating or reading in bed．You must go to bed at the same time before mid-night and get up at the same time．Your body likes routine（常規(guī)） for a good night’s sleep．

STAY FREE OF FLU

Studies show that a cold or H1N1 Flu virus（感冒病毒）can live on our hands for long．So wash all parts of your hands often with soap and water．For more ways to prevent the spread of flu，please call Health Line at 800-848-1313．

ORAL HEALTH

Brush your teeth twice daily and visit the dentist at least once a year．The mouth is a mirror of disease．The oral examination is not only for the health of teeth，but the whole body．For more of it，please visit www．mydr．com．a(chǎn)u．

FIT FOR LIFE

Studies have shown that many diseases have something to do with less or no physical activity．In order to keep healthy，you should try to take physical activity for 30 minutes a day，5 days or more a week．

For more information，please call Health Line at 800-438-2000．

1．What telephone number can we call when we want to learn more about the flu?

2．According to the passage，which suggestion is the most necessary for us to keep healthy?

3．How often should we go to see a dentist?