题目内容
3.It's cold and dark outside,and your bed is so warm and comfortable.Going for a run seems like such a bad idea.But before you hide your running shoes,it might be worth giving that crazy idea ago.According to The Huffington Post,an outdoor run in winter,as opposed to one on a treadmill(跑步机),burns more calories because the body is working hard to adjust its core temperature.Furthermore,research shows that race times are faster in cold weather than in warmer temperatures and quicker runs burn more calories.Similarly,cold weather also makes the heart work harder to distribute blood through the body,making that vital muscle even stronger.
Outdoor exercise also turns up your energy and rids you of the stress and depression that build up every day.The heat and humidity in the summer can drag you down and tire you faster,but cold weather is refreshing.It adjusts you to your surroundings,making you feel alive.
Of course,the threat of smog in some built-up areas is a further hurdle to winter exercise.Heart attacks,stroke,lung cancer and asthma are all dangers of running in smog.The combination of air pollution and exercise increases the potential problems.If you do choose to run outside on smoggy days,take a path in a park or residential area to avoid car exhaust(尾气),and go early in the morning before rush hour.But staying inside on smoggy days and waiting for the next clear day to run is best.
29.How does cold weather benefit runners,compared with warm weather?C
A.They can run more slowly.
B.They can take in more calories.
C.Their hearts can function harder.
D.Their body temperature can get lower.
30.How does summer affect runners?B
A.It builds up their energy quickly.
B.It makes runners tired easily.
C.It lessens runners'stress.
D.It causes heart attack.
31.What are the runners supposed to do on smoggy days?C
A.Stop driving cars.
B.Do more exercise.
C.Avoid outdoor exercise.
D.Run late in the morning.
分析 本文介绍了各种天气例如寒冷的冬天,炎热的夏天和雾霾天气给户外运动者身体带来的影响.
解答 29.C.细节理解题.由第二段Similarly,cold weather also makes the heart work harder to distribute blood through the body,寒冷的天气也会使心脏更加努力地将血液输送到全身,故选C.
30.B.细节理解题.由第三段The heat and humidity in the summer can drag you down and tire you faster,夏天的炎热和潮湿会把你速度减慢拖下来,可知很容易累,故选B.
31.C.细节理解题.由最后一段But staying inside on smoggy days and waiting for the next clear day to run is best,但是在烟雾弥漫的日子里呆在室内等待下一个晴朗的日子是最好的,可知作者建议不户外运动,故选C.
点评 本篇文章都是细节推理题,答题的已给选项也一般不会和短文相关词语完全相同,需要考生自己理解句子,延伸推理出题目答案,比一般细节理解题偏难.
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