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9. Fill in each blank with a suitable word to complete the following pasage.
Along with jogging and swimming, cycling is(1) ................. all-round form of exercise. It can help to(2) ........... your strength anh energy, giving you(3) ........... efficient muscles anh stronger heart. But in creasing your strength is(4) ............. the only advantage of cycling. Because you(5)................ not carrying the welght of your body on your feet, it's a good(6).............. of exercise for people with painful feet or backs. However,(7)................ all forms of exercise, it's important to start slowly and build up gently. Doing(8)..........much, too quickly can damage muscles that aren't used to working. If you have(9)............... doubt about taking up cycling for health reason, talk to your doctor and ask(10)....................his advice.
Along with jogging and swimming, cycling is(1)one of the best all-round form of exercise. It can help to 2 increase your strength anh energy, giving you(3)more efficient muscles anh stronger heart. But in creasing your strength is(4)not the only advantage of cycling. Because you(5)are not carrying the welght of your body on your feet, it's a good(6)form of exercise for people with painful feet or backs. However,(7)with all forms of exercise, it's important to start slowly and build up gently. Doing(8)too much, too quickly can damage muscles that aren't used to working. If you have(9)any doubt about taking up cycling for health reason, talk to your doctor and ask(10)to his advice.