Our eyes are very important to us. They are like cameras. We can see beautiful things and colors around us. 56　 our eyes. But if we don’t take care of them, they may hurt. 57　 do we protect our eyes?

0n sunny days, the sun shines brightly. So we’d better 58　 our sunglasses. When we read, we shouldn’t stay too close to our books and the light shouldn’t be too bright 59　 too dark. We mustn’t read in bed. It’s 60　 for our eyes. We mustn’t rub our eyes with dirty hands or play games on computer too long.

　　Remember not to push（施加压力）yourself too much just because you want to see many places. If you do, your legs and feet may not work well. They'll become swollen（肿的）.

　　Swelling（肿胀）does make you feel bad and it stops you going further from time to time.

　　If you're still on the way, always remember to take a rest now and then. Stretch your legs and rub（摩擦）them with your hands.

　　When you've finished walking for the day, remember to put your feet in some hot water for a while. This helps the blood（血液）travel back to your heart quickly.

A．By running.

B．By stretching and rubbing them.

C．By walking.

A．Take a bath.

B．Take off your shoes.

C．Put them in hot water.

A．comfortable（舒服的）

B．good

C．swollen

A．take a good rest and keep our legs and feet well

B．sleep well

C．rub our legs