完型填空:Atdifferenttimesinaman'slifehisfoodhasd__1__effects(影响)onhisbody.
Amongchildren,foodisquicklychangedtothepowertor__2__andplaygames.Mostofayoungman'sfoodisspentingrowingt__3__;wegrowupwardsonlyduringthefursttwentyyearsofourlives,notlater.Workingmengettheirstrongbodiesf__4__theirfood.Officeworkersbeatwellands__5__foralongtime.
Manyolderpeopletrytoworkmuchandwalko__6__.
Thatiswhenfoodc__7__quicklytoflat.