[全]2020全国1卷高考英语阅读理解CD篇随文生词及翻译真题训练
9页1、2020全国1卷高考英语阅读理解CD篇随文生词及翻译真题训练第二部分 阅读理解(共两节,满分40分)第一节 (共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。CRace walking竞走shares manyfitness健身 benefits益处with running, research shows, whilemost likely最可能的contributing to原因 fewer更少 injuries受伤. It does, however, have itsown problem自己的问题.Race walkers areconditioned有条件的 athletes运动员.The longesttrack跟踪;踪迹andfield野外event at the Summer Olympics is the 50-kilometer race walk, which is about five miles longer than themarathon马拉松. But the sports rulesrequire需
2、要that a race walkersknees膝盖 stay straight直的through most of the legswing摆动and one footremain保持in contact(接触) with the ground at all times. Its this strange form that makes race walking such anattractive吸引力的activity, however, says Jaclyn Norberg, anassistant助理professor ofexercise锻炼science at Salem State University in Salem, Mass.Like running, race walking isphysically demanding身体要求, she says,According to根据mostcalculations计算, race walkers moving at a pace of six miles per hour wouldburn燃烧about 800
3、calories(卡路里)per每hour, which isapproximately大约twice两次as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.However, race walking does notpound冲击;磅the body as much as running does, Dr. Norberg says. According to her research, runnershit撞击theground地面with as much as four times their bodyweight重量 per step每步,while race walkers, who do not leave the ground, create only about times their body weight with each step.As a result因此,
4、 she says, some of theinjuries受伤 associated联系with running, such as runners knee, areuncommon不普遍的among race walkers. But the sports strangeform形式does placeconsiderable许多 stress压力on theankles脚踝 and hips臀部, so people with a history of such injuries might want to becautious谨慎inadopting采取the sport. In fact, anyone wishing to try race walking should probably firstconsult咨询acoach教练orexperienced有经验的 racer竞走者to learnproper适当的 technique技术, she says. It takes some practice.28. Why are race walkers conditio
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