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Being a fit and healthy person is very important for lots of people today．In fact，some people like running and exercising so much that they love keeping track of it．

（1） 　　to fitness apps and gadgets（小机械装置），people can measure（测量） every step they take，what they eat and every calorie they burn．They might wear a special watch on their wrist，shoes on their（2） 　　or use different apps on their phone to measure their

movements（3） 　　，once they have done that they post it on social media．All of their

friends can see where they（4） 　　．what activities they've done or what they had for lunch．

Sounds familiar？

Doctor Daniel Kraft from the United States makes gadgets for people like this．He told the

Digital Health Summit that these people（5） 　　．become the norm（常态） in the future．

And I think he's right．I can see the world of（6） 　　．and fitness changing around me every day．

One of my friends，named Anna Palmer，is always（7） 　　．the latest fitness gadgets．Her favorite is an app called Argus．She uses it on her phone to measure her steps，heart rate and amount of calories she has （8） 　　She always posts these things，and pictures of（9） 　　．exercising，on social media．"It's nice to know exactly how much exercise you have

done，rather than guess，"she said．"That way I can keep pushing myself to improve．"

Also，my friends in China use WeChat（10） 　　．how many steps they've taken each day．They are very competitive about this!