2012年12月大学英语四级完形模拟题（14）

　　Exercise is good for you, but most people really know verylittle about how to exercise properly. 1_ when you try, you canrunsintostrouble.

　　Many people 2_ that when specific muscles are exercised, thefat in the neighbouring area is“ 3_ up”.Yet the 4_ is thatexercise burns fat from all over 5_ .

　　Studies show muscles which are not 6_ lose their strength very quickly.To regain it needs 48 to72 hours and exercise every other day will 7 _a normal level of physical strength.

　　To 8 _weight you should always“work up a good sweat”when exercising. 9_ sweating only 10_body temperature to prevent over heating.This is 11 _water loss. 12_ You replace the liquid, youreplace the 13_ .

　　Walking is the best and easy-to-do exercise.It helps the circulation of blood 14_ the body, andhas a direct 15_ on your overall feeling of health.Experience says that 20 minutes’? 16_ 17 _isminimun amount.

　　18_ your breathing doesn’t return to normal state within minutes after you finish 19_ , you’vedone 20_ .

　　1.A.While B.When C.As D.So

　　2.A.understand B.believe C.hope D.know

　　3.A.built B.burned C.piled D.grown

　　4.A.reply B.possiblility C.truth D.reason

　　5.A.arm B.leg C.stomach D.body

　　6.A.exercised B.examined C.protected D.cured

　　7.A.lose B.raise C.burn D.keep

　　8.A.lose B.gain C.keep D.burn

　　9.A.Certainly B.No C.Fortunately D.Probably

　　10.A.raises B.reduces C.destroys D.keeps up

　　11.A.how B.why C.nothing but D.more than

　　12.A.While B.Once C.As D.Whenever

　　13.A.weight B.muscle C.sweat D.strength

　　14.A.over B.around C.throughout D.with

　　15.A.effect B.use C.usage D.affect

　　16.A.education B.sleep C.exercise D.rest

　　17.A.one day B.a day C.everyday D.someday

　　18.A.But if B.But C.If D.And if

　　19.A.working B.walking C.exercising D.breathing

　　20.A.enough B.much C.too much D.much too