3．Tabata training is a very popular way of exercising these days.It doesn't take much time or space，and it burns calories faster than other ways of exercising.The idea of Tabata training is simple：exercise for 20 seconds，rest for 10 seconds，and then repeat （at least eight times）.The moves for the 20-second exercise are not difficult to learn.Jumping jacks，high knees，squats，and planks are some of the most common moves.You can decide yourself what moves to do in your Tabata training.For example，you can do more leg exercises if you want strong legs.
One great thing about Tabata training is that your body will keep burning calories for at least an hour after 4 minutes of Tabata training.But to have this wonderful "afterburn"，you need to exercise really hard during each 20 seconds.If you seldom exercise or have heart problems，this exercise may not be good for you.But for people who enjoy exercising but are too busy to go to the gym，Tabata training might just be the answer.
（1）Which idea is talked about in the first paragraph（段落） of the reading？
A．How you should do Tabata training.
B．What is the best time for Tabata training.
C．Who first had the idea of Tabata training.
D．How often you should do Tabata training.
（2）Who might find that Tabata training is right for them？
A．People who enjoy team sports.
B．People who want to start exercising.
C．People who want to fix their heart problems.
D．People who already have a habit of exercising
（3）Which is true about Tabata training？
A．It is difficult to learn the moves.
B．You are free to choose your own moves.
C．You need a large space to do the exercises.
D．You cannot rest between moves if you want the afterburn.
