题型：概要写作 题类：常考题 难易度：困难
上海市杨浦区2021届高三上学期英语期中试卷
Virtual Fitness
Exercise plays a very important role in a healthy lifestyle. But you may not have time or money to go to a gym on a regular basis. The good news is that today's technology lets you access fitness classes from the comfort of your home. A quick Internet search will turn up thousands of online fitness classes. You can watch videos on your phone, computer or tablet and do the exercises right where you are. All you need is an Internet connection and a space large enough to move around in.
Online fitness classes take a wide variety of forms. Some focus on stretches and slow movements. Other classes involve fast aerobic activity, while others build muscle strength. Some require equipment such as weights, but others use only your body. This means that you can choose a class that does what you like. And you can try a different one whenever you like.
Anyone can post a fitness video on the Internet. Not everyone knows what they are doing. So it is important to think about who is teaching the class. Try to find teachers who are certified by an organization with a good reputation. I tried some virtual fitness classes several years ago. The reason was simple: convenience. I could do a fitness class at any time of day. I didn't need to travel to a gym and back, which saved me a lot of time. But being able to work out any time meant I kept putting it off. I'd do everything else first and then the day would be over. I'd never actually get around to exercising.
Having to exercise at a definite time means I have to put it on my schedule. So for me, scheduled classes such as those at a gym are helpful.
Anyhow, if the gym isn't for you, you may want to give an online fitness class a try.
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