2019年12月英语四级听力原文:试卷一听力篇章3
2020年7月英语四六级考试即将进行,各位小伙伴准备好了么?大家在备考时一定要多做真题,这样才能更好地把握题目难度和重点词汇等等。今天小编为大家带来2019年12月英语四级听力原文:试卷一听力篇章3(沪江网校),希望对你有所帮助~
After tough workout or a day full of physical activity, it's common to find your muscles aching, but where do these pains come from? According to a German professor, the soreness comes from straining your muscles in an uncommon way, for example, jumping on a bicycle for a ride, because you haven't ridden in a long time. Soreness occurs since your leg muscles aren't used to that movement. When muscles perform an activity they aren't regularly expose to, the tiny fibers that are inside them are being torn apart. As muscle soreness develops, the body has to work to repair the muscle tears, but this doesn't happen immediately. First, the body must realize the muscles are damaged. When the body realizes the muscles are hurt, the response is to increase blood flow to the area and increase body heat, damaged cells are then cleaned up and the body sends cells specially designed to break down the large muscle fiber fragments. Healing can take place after this. It takes about a day until these cells make it to your aching muscles. That's why there is most often a delay associated with muscle soreness. Repair of damaged cells takes about two days, and afterwards the soreness disappears. Unfortunately, there is little that can be down to relieve muscle soreness. Pain relieving creams don't work, but a hot shower, or warm bath can provide some relief.
在经过艰苦的锻炼或一天的体力活动后,你经常会发现肌肉疼痛,但这些疼痛从何而来呢?据一位德国教授说,疼痛来自于非同寻常的肌肉拉伤,例如,骑自行车去兜风,因为你已经很长时间没骑了。疼痛的发生是因为你的腿部肌肉不习惯这种运动。当肌肉进行某种偶然的活动时,肌肉内的细小纤维就会被撕裂。随着肌肉酸痛的发展,身体必须努力修复肌肉撕裂,但这个修复过程不会马上就发生。首先,身体必须意识到肌肉受损。当身体意识到肌肉受伤时,对此的反应是增加流向该区域的血流并增加体温,然后,受损的细胞被清理干净,身体派出专门针对于此的细胞来分解大的肌纤维碎片。愈合可以发生在这之后。这些细胞到达你患处大约需要一天的时间。这就是为什么与肌肉酸痛相关的延迟最常见的原因。受损细胞的修复需要大约两天,然后疼痛消失。不幸的是,几乎没有什么东西可以减轻肌肉酸痛。止痛膏不起作用,但冲个热水澡或泡个温水浴可以缓解疼痛。
Questions 22-25 are based on the passage you have just heard.
请根据刚才所听文章回答22-25题。
Question 22. What does the German professor say about muscle soreness?
问题22:关于肌肉酸痛,这位德国教授说了什么?
Question 23. What happens when muscles are damaged according to the passage?
问题23:根据这篇文章,当肌肉受损时会发生什么?
Question 24. How long does it take for damaged cells to heal?
问题24:受损细胞需要多长时间才能愈合?
Question 25. What does the speaker suggest one do to relieve muscle soreness?
问题25:作者建议人们做些什么来缓解肌肉酸痛?
以上就是今天为大家分享的内容啦,各位小伙伴利用好最后的时间认真备考。小编祝大家顺利通过四级!
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