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16 tháng 5 2017

Ĩ.Fill in each blank with a suitable word to complete the following passage.

Along with jogging _and_ swimming,cycling is an _all-round______ form of exercise.It can help to _____increase__ your __strenght_____ and__energy____,_______ you more enfficient muscles and a stronger heart.But ___increasing____ your strenght is not the only ___advantage____of cycling.Because you are not carrying the weight of your body on your feet,it's a good __form__of exercise for __people__ with __painful____ feet or slowly and build up gently.___Doing__ too much,too quickly can damage muscles that aren't used to working.If you have any __doubt__ about taking _up_ cycling for health _reason___,talk to doctor and ask for his ______.