If you want to improve your overall level of fitness, running is one of the best sports to choose. It can increase the strength of your bones, it is good for your heart, and it can help with weight (1.LOSE)____ . You will soon begin to see a significant (2. IMPROVE)_____ in your general health and if you are the sort of person who enjoys a challenge, then you could consider making the decision to run a marathon-a race of (3. APPROXIMATE) _____ 42 kilometres.
(4. EXPERIENCE) _____ runners and sports instructors say you should make a point of having a physical (5. CHECK) _____ with your doctor before you start training. Another (6. RECOMMEND) _____ is that anyone who has an old back, knee or ankle injury should take extra care. You should never use running shoes which hurt your feet or in which you feel (7. COMFORT) _____ after a long run. It is a good idea to start by running slowly for about twenty minutes three times a week and (8.GRADUAL) _____ increase the number of kilometres you run. You should find running long (9.DISTANT) _____ gets progressively easier, and after a time, you may feel that even a marathon will be (10. POSSIBILITY)_____!
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Sinh Học lớp 12
