阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Planning to go to a gym? If you are one of those who have spent many days planning to join a gym or to attend it regularly, then why not choose some home exercises? Here are some home exercises without equipment.
Jumping jacks
This one is the best home workout without weights, which is a great exercise that will work your hands and legs. Perform this exercise by standing with your feet placed together and arms at your sides. Now tuck in your abs (收腹) and jump by bending your knees. At the same time, move your feet apart as much as you can and raise your hands to bring into line with your shoulders. While you come back you must be in a starting position, feet together, hands at sides and knees bent. You must land on your heels and again jump.
Jogging
Jogging is one of the best home exercises without weights. You don’t need to have a lawn or jogging track at home to perform this exercise. There are many benefits of jogging. It will work your entire legs. Moreover, it is a classic cardiovascular (心血管的) workout. Make sure you wear jogging footwear even if you are jogging at home to avoid any stress on your feet. Also, you can gradually increase the jogging time and speed.
Rotating (旋转) exercise
Start by rotating your wrists, clockwise (顺时针方向地) and anticlockwise. Now, alternately rotate your feet in the same fashion. Now place both your hands on the shoulders and start rotating your shoulders clockwise and anticlockwise. Place an exercise mat and lie flat on your back. Now lift your left leg and rotate it clockwise; do not bend your knees. Now rest the left leg, lift your right leg and rotate it
Anticlockwise
It is necessary to set a perfect mood for exercise which will help you stick to the exercise routine and excitement. Make sure you wear proper exercise clothes to perform the workout with ease. Also, putting on your favorite music will make your exercise session more lively. If you get bored with exercises, just dance, after all it’s also one of the best home exercises.
21. While jogging at home, you__________.
A. may exercise your body entirely
B. had better choose a pair of proper shoes
C. should find a space as the jogging track first
D. must stick to a fixed time and speed
22. What is the right order of your body parts to move during rotating exercise?
A. Hands-legs-back-legs.
B. Wrists-hands-feet-shoulders.
C. Wrists-feet-shoulders-legs.
D. Hands-shoulders-knees-legs.
23. To carry out home exercises continuously, you need_________.
A. a good mood and atmosphere
B. a good coach
C. a professional teacher
D. a good timer
【答案】21. B 22. C 23. A
【解析】
【分析】本文是一篇应用文。文章介绍了一些在家锻炼的方法。
【21题详解】
细节理解题。根据Jogging部分的“Make sure you wear jogging footwear even if you are jogging at home to avoid any stress on your feet.”可知，即使是在家里慢跑，也一定要穿上慢跑鞋，以避免脚受到任何压力。由此可知，在家慢跑时，你最好选择一双合适的鞋子。故选B。
【22题详解】
细节理解题。根据Rotating (旋转) exercise部分的“Start by rotating your wrists...Now, alternately rotate your feet... and start rotating your shoulders...Now lift your left leg”可知，转动手腕开始……现在，交替地转动你的双脚……转动你的肩膀……抬起你的左腿。由此可知，在旋转运动中，你身体各部分运动的正确顺序是“手腕——脚——肩——腿”。故选C。
【23题详解】
细节理解题。根据最后一段中的“It is necessary to set a perfect mood for exercise which will help you stick to the exercise routine and excitement. Make sure you wear proper exercise clothes to perform the workout with ease. Also, putting on your favorite music will make your exercise session more lively. ”可知，为运动设定一个完美的心情是很有必要的，这将帮助你坚持锻炼的常规和兴奋。确保你穿着合适的运动服来轻松地进行锻炼。此外，播放你最喜欢的音乐会让你的锻炼更加生动活泼。由此可知，要持续地进行家庭锻炼，你需要一个好心情和气氛。故选A。
