《2025年同步练习册山东人民出版社高中英语选择性必修第一册外研版》

A
Humans are always exploring new ways to feel, look and live better. As with everything else in life, our approach to keeping fit and healthy has changed over time. Here are four iconic fitness trends through the decades.
Aerobics—1970s
Aerobics took off to improve the cardiovascular (心血管) system in a fun way and dance moves were combined with fitness movements, such as leg raises and marching in place. Aerobics inspired many different spin-offs from dance and step aerobics, to even water-based classes, all set to music.
Spinning—1990s
Spinning launched cycling revolution in the 1990s which continues today, thanks to big-name gyms which have made cycling on fixed bikes a party for participants. With colour changing lights, high-energy music and enthusiastic instructors have turned spin classes into a lively group activity which has attracted fans around the world.
CrossFit—2000s
CrossFit has been a team favorite in the fitness scene since the 2000s. The activity is competitive yet shared, with scores being tracked on a board. Classes typically last an hour or less, making each session an intense (强度的) and time-efficient workout which many are able to fit into their busy schedules.
HIIT—2020s
HIIT, which stands for High Intensity Interval Training, has gained popularity recently, along with the rise of home workouts. Exercises, done in short, intense bursts, aim to build strength and endurance. It can be done through free online classes without any equipment, making it an affordable workout at home.
21. Which sport is mixed with dance?
A. Aerobics. B. Spinning.
C. CrossFit. D. HIIT.
22. What do Spinning and CrossFit have in common?
A. They last for a short time.
B. They can be group activities.
C. They need lights and music.
D. They are both competitive sports.
23. Which of the following can best describe the HIIT?
A. Graceful and intense.
B. Economical and convenient.
C. Energetic and technical.
D. Interesting and relaxing.

答案： 21.A 22.B 23.B