閱讀下列短文，從每題所給的A、B、C、D四個選項中選出最佳選項。
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 (旋轉(zhuǎn)) exercise
Start by rotating your wrists, clockwise (順時針方向地) 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】本文是一篇應用文。文章介紹了一些在家鍛煉的方法。
【21題詳解】
細節(jié)理解題。根據(jù)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，以避免腳受到任何壓力。由此可知，在家慢跑時，你最好選擇一雙合適的鞋子。故選B。
【22題詳解】
細節(jié)理解題。根據(jù)Rotating (旋轉(zhuǎn)) 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，轉(zhuǎn)動手腕開始……現(xiàn)在，交替地轉(zhuǎn)動你的雙腳……轉(zhuǎn)動你的肩膀……抬起你的左腿。由此可知，在旋轉(zhuǎn)運動中，你身體各部分運動的正確順序是“手腕——腳——肩——腿”。故選C。
【23題詳解】
細節(jié)理解題。根據(jù)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，為運動設定一個完美的心情是很有必要的，這將幫助你堅持鍛煉的常規(guī)和興奮。確保你穿著合適的運動服來輕松地進行鍛煉。此外，播放你最喜歡的音樂會讓你的鍛煉更加生動活潑。由此可知，要持續(xù)地進行家庭鍛煉，你需要一個好心情和氣氛。故選A。
