57．To stop from catching a cold or flu, it’s good for you ______________．

A．to clean your fingers often        　　　             B．to brush your teeth twice daily

C．to get up early every morning         　　          D．to wash all parts of your hands

56．If you want to get a good sleep, you’d better______________.

A．go to bed after you’re tired       　　          B．go to sleep at midnight

C．follow the bedtime routine             　　          D．eat something or read in bed

Studies have shown that many diseases have something to do with less or no physical activity．Try to do it for 30 minutes a day, 5 days or more a week．For more information, please call Healthline at 1800 438 2000.

Studies show that a cold or flu virus （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 stop the spread （传播） of flu, please call Healthline at 1800 848 1313.

ORAL（口腔） HEALTH

Brush your teeth twice daily and visit the dentist at least once a year．The mouth is a mirror（镜子） 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．cn.

FIT FOR LIFE

54．A．me    　　　　　       B．us                           C．myself　   　　　    D．ourselves  

53．A．angry                  B．surprised                   C．excited                      D．happy

52．A．hid                    B．threw                      C．forgot                       D．left          

51．A．why                    B．when                    C．what                        D．how

50．A．people                  B．hair                 C．classmates            D．things