课时作业(十七)Unit5ThepowerofnatureSectionⅠWarmingUpReading－PrereadingⅠ.阅读理解AHaveyougottiredofexercising?Herearesomewaystomakeexerciseexcitingagain.KickboxingWhilekickboxingmaynotbetheeasiestexerciseintheworld,itdoescauseyoutobeginusingnewwaystoshockyourbodyandburnthosecalories.Notonlyisitagreataerobicexercise(有氧运动),butithasbeensuggestedthatkickboxingactuallycanhelpimproveyourmentalh...
