VIII.Fill in a suitable word Along(..1.. )jogging and swimming, cycling is (...2...) best all-round forms of exercise.It can help to increase your strength...(..3..)energy,giving you a stronger heart.You don't carry the weight of your body on your feet(..4..) cycling.It is also a good form for people with a (..5..) in their feet or their back.You should start your body.Doing to quickly can (..6..) bad effects.You should cycle twice or three (..7..) a week.If you find you(..8..) in pain,you should stop and take a rest.

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