Being a fit and healthy person is very important for lots of people today.____.

    Thanks to fitness apps and gadgets (小玩意), people can measure every step they take, what they eat and every calorie they bum. They might wear a watch that tells them their heartbeat, own smart shoes that track their steps, or use different apps on their phone to record what they eat.____All of their friends can see where they've run, what workout (健身) they've done or what they had for lunch. Sounds familiar?

    Doctor Daniel Kraft from the US makes gadgets for people like this. He told the Digital Health Summit that these people, known as “trackaholics”, might become the norm in the future.____ I can see the world of health and fitness changing around me every day.

    One of my friends is always using 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 burned. She always posts this information, and pictures of herself exercising, on social media, It's nice to know exactly how much exercise you have done, rather than guess,” she said. “____”

    My friends in China use WeChat to track how many steps they've taken each day.____

A. And I think he's right

B. They are very competitive about this, comparing their steps with each other all the time

C. Fitness apps also make exercise more fun and targeted

D.And most importantly, they share all this information on social media

E. There are many apps that can aid you in achieving your fitness goals

F. In fact, some people like running and exercising so much that they become obsessed (着迷的) keeping track of it

G. That way, I can keep pushing myself to improve