Exercise is good for you, but most people really know very little about how to exercis

e properly.So when you try, you can run into trouble.

Many people 11 that when specific muscles are exercised, the fat in the neighboring area is “burned up”.Yet the 12 is that exercise burns fat from all over the body.

Studies show muscles which are not 13 lose their strength very quickly.To regain it needs 48 to 72 hours and exercise every other day will keep a normal level of physical strength.

To 14 weight you should always "work up a good sweat" when exercising.No sweating only 15 body temperature to prevent over heating.This is nothing but water loss.16 you replace the liquid, you replace the weight.

Walking is the best and easy-to-do exercise.It helps the circulation of blood 17 the body, and has a direct effect on your overall feeling of health.Experience says that 20 minutes a day is 18 amount,

19 your breathing doesn't return to normal state within minutes after you finish exercising, you've done 20

11.A.believe

B.wish

C.hope

D.know

12.A.reply

B.possibility

C.reason

D.truth

13.A.exercised

B.examined

C.protected

D.cured

14.A.gain

B.lose

C.keep

D.burn

15.A.reduces

B.raises

C.destroys

D.keeps up

16.A.While

B.Once

C.As

D.If

17.A.over

B.around

C.with

D.throughout

18.A.fortunate

B.possible

C.minimum

D.minute

19.A.But if

B.But

C.If

D.And if

20.A.enough

B.much

C.too much

D.much too