公共英语-公共英语一级分类模拟题26.doc公共英语一级分类模拟题26英语知识运用完型填空Walking-likeswimming,bicyclingandrunning—isanaerobicexercise,],safestaerobicactivity,eptableexerciseforthelargestnumberofpeople•fortablespeedimprovestheefficiencyofthecardiorespiratorysystem5stimulatingthelungsandheart,butatamoregradualrate6mostotherformsofexercise•est,agroupofmen40to57yearsofage,7atafastpacefor40minutesfourdaysaweek,showedimprovement8tomenthesameageona30minute,three—day—a—weekjoggingprograminthesameperiod•Theirrestingheartrateandbodyfatdecreased9•Thesechangessuggest10oftheimportant-evenvital—benefitswalkingcan11about•,,youcanburnupapound—and—a—ha1fmonthly,or18pounds15-providingthereisnochangeinyourin-takeoffood•To16weightfaster,walkannhoureverydayandbumup3poundsamonth,,rightnowisthetimetogiveyourphysicalwell-."Down-to-earth”-to-
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