When you begin exercising to keep healthy, start at a level that is comfortable and doesn't leave you tired the next day, At first, increase your workout time by only ten to twenty percent a week. An expert says, ¡°The human body is remarkably adaptable, but it doesn't like to be surprised. When you surprise is, you are going to feel bad.¡±People should recover from their exercise within an hour, he claims. Otherwise, they have done too much.

 When the fire broke out, the wind was violent, so the firemen had difficulty putting out the fire.

  put out v.1. produce: The factory puts out 1000 television sets every day. 2. extinguish: Don't forget to put out the lights whin you go out 3. issue; broadcast: The Health Department has put out a warning about dangerous drugs. 4. cause to be out of joint : She fell of a horse and put her shoulder out. 5. lend money at interest : He put out one thousand dollars at five percent.

   You may have missed the first walk on the moon and the Beatles' concerts, but at least you'll get to see the electric vehicle. This is the first modern production of electric cars in our country. This year, people will sit behind the steering wheel, step on the pedal and drive it home. Maybe you'll be one of those people. If not, there's a good chance you'll drive our cars or trucks that use other advanced technologies. These things aren't science fiction. They are right around the corner.

 Comedian Dick Gregory started appearing in clubs thirty years ago. He told gentle but pointed jokes about race relations, For example, he told about being in a restaurant where a white waiter told him, ¡°We don't serve colored people here,¡±¡°That's all right,¡± replied Gregory. ¡°I don't eat colored people. Bring me a whole fried chicken.¡±

 serve [s ¢°rv] v. 1. work for: She served the ambassador for ten years. 2. attend on: There was no one in the shop to serve me. 3. be satisfactory for a need: This box will serve for a seat. 4. undergo a period of imprisonment: He has served five years of his sentence. 5. help a priest at mass: Yesterday I served at Mass.