题目内容：

    Running is becoming popular these days. Many people run to keep fit. 1.   However, if you’re doing it wrong, you won't get such good results. Fortunately, here are some tips to help you.

•Set right goals

2. Be smart and set the right goals. Sign up fora fun run or a 5K first, before even thinking about a marathon. Your goal should simply be to finish. If you push yourself too much, it is possible that you will get hurt and won't want to insist on running.

•Wear suitable shoes

Once you’ve decided to try out running, it's time to get yourself new shoes, as the wrong pair can cause foot pain. Wearing the wrong shoes can destroy your workout plan. 3.

•Eat properly before or after a run

Some of you don't eat before or after a workout. Your body needs energy to exercise. 4.So it's important to give your body energy. Experts suggest that you eat foods before and after a workout to help with your body's fat burning process.

• Run out of the city

If you live in a busy city, running along city streets is the easiest way to get in the miles, but if it's possible, find a less polluted space for your long runs. 5. Exposure to air pollution can cause damage to brain health and the lungs, so running at a cleaner environment might be worth the extra time.

A. Fresh air cleans our lungs.

B. It is a good, inexpensive way to get into shape,

C. It’s exciting to start running, but don’t set your goals too high.

D. Another side effect of skipping meals is to make you feel tired.

E. And not eating properly will affect your mental and physical being,

F. Therefore, before running, you should go to the shoe store to buy a new pair of running shoes.

G. Research shows that running in polluted air doesn’t give you the same benefits (好处) as running in clean air.