江西省2017届高三英语二轮专项训练:阅读表达+写作(45)
第一节:阅读表达
[1]Whether you're recovering from a foot injury or working hard to prevent one, a proper warm-up before athletic activity is important. You should start with a general warm-up. This is intended to get your heart rate up and your muscle groups warm. Walking, gentle jogging or basic aerobics (有氧运动) are all good places to start. The general warm-up should increase your heart rate and speed up breath so that your blood becomes oxygen-rich and carries nutrients to the muscle groups you're about to work.
[2]After the general warm up, move on to basic stretching, which doesn't require a lot of movement. Stretch your legs, ankles, feet, arms, chest and back. After completing these basic stretches, you can move on to sport-specific stretching. They should focus on the muscle groups you're about to engage and prepare your body for the types of movements the sport requires.
[3]Failure to warm up properly before athletics can result in injuries. So don't forget to stretch your feet and ankles when warming up! Point and bend your feet. Gently roll your ankle in one direction, and then in the other direction. Rise up on your toes and then gently rock back so that your weight is on your heels.
[4]Cooling down after physical activity is just ________________ warming up. First stretch the muscle groups and parts of the body you just worked the hardest. Then move on to general body stretching. And finally, cool down with a gentle aerobic activity that will gradually return your heartbeat to its resting rate.
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