内容正文:
课时作业(六) UNIT 5 LANGUAGES AROUND THE WORLD
一、七选五阅读
After watching the amazing Beijing 2022 Winter Olympics, chances are that you have fallen in love with some winter sports and you're already making sure your equipment is ready for them.__1__ However, there's another element to get ready. Your body! Even if you exercise regularly, skiing, or skating challenges your muscles in ways other activities don't.
Exercising in the cold decreases your body temperature, so our metabolism (新陈代谢) increases to warm you up.__2__ Depending on the sport, certain muscles may also be used more frequently compared to activities in other seasons. The good news is that most winter sports involve heart endurance (耐力), muscle strength and muscle endurance.__3__
There are still some other things to think about.__4__ However, it can be hard on the body when you hit the slopes. As anyone who has spent time skiing or snowboarding can prove, after a long day on the slopes, the body becomes extremely tired.__5__ To avoid this, you need to take some time to strengthen your body and improve endurance. Before the winter season, a regular exercise program should include exercises that get the blood running while challenging the entire body, such as stair climbing or running. The intensity should vary from 20—45 minutes at least 3 to 5 days a week. As winter nears, adding a cardio (有氧的) workout longer in duration but lower in intensity can help increase endurance.
A.Winter sports provide a total body workout.
B.It is a wise idea to learn from experienced people.
C.And that is when injuries are more likely to occur.
D.And all of them can be trained before the winter season.
E.Probably, you have got your skis tuned and skates sharpened.
F.You'd better know the weather before you do the winter sports.
G.Your heart and lungs also need to work harder to warm the air into your body.
[语篇解读] 本文是一篇说明文,文章主要讲述如何为冬季运动做好热身准备。
1.E 解析:上文“After watching the amazing Beijing 2022 Winter Olympics, chances are that yo