首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
All over the world men and women and boys and girls enjoy sports. Sports help people to live happily as well as keep fit. Today
All over the world men and women and boys and girls enjoy sports. Sports help people to live happily as well as keep fit. Today
admin
2010-02-20
42
问题
All over the world men and women and boys and girls enjoy sports. Sports help people to live happily as well as keep fit. Today I’ d like to say something about one of the most popular sports--jogging. The National Adult Physical Fitness Survey showed that 6.5 million adult Americans jog for exercise. The popularity of jogging has been heightened by medical claims of the benefits derived from regular participation in this activity. Regular jogging is credited with promoting a "training effect" that conditions the heart to do more work with less effort; increases the efficiency of the respiratory system by strengthening the muscles that as sist breathing; increases blood volume in the body, thereby increasing the oxygen - carrying capacity of the circulatory system; promotes blood vessel flexibility; aids the digestive system; and helps to maintain proper body weight through the high calorie expenditure. It is reasonable to assume that the number of adult joggers will increase if this activity is properly taught and encouraged through school physical education programs. Children should be taught how to jog as well as to understand the benefits that result from regular jogging; h is recommended that motivational programs such as the National Varsity Club Sport Award be utilized to pro vide added ’incentive for school jogging programs, In addition to learning the physiological effects of training noted above, students should be given the following information as guidelines for their personal jogging pro grams. When jogging, run in an upright position, avoiding the tendency to lean. Keep your back as straight as you can and still remain comfortable, and keep head up. Don’t look at your feet.
Hold arms slightly away from body, with elbows bent so that forearms are approximately parallel to the ground. Occasionally shaking and relaxing the arms and shoulders will help reduce the tightness that some times develops while jogging. Periodically taking several deep breaths and blowing them out completely will also help you to relax.
It is best to land on the heel of the foot and rock forward so that you drive off the ball of the foot for your next step.. If this proves difficult, try a more flat - footed style. Jogging only on the balls of the feet, as in sprinting, will produce severe leg soreness.
Keep steps short, letting foot strike the ground beneath the knee instead of reaching to the front. Length of stride should vary with your rate of speed. Breathe deeply with mouth open. Do not hold breath. If for any reason you become unusually tired or uncomfortable, Slow down, walk, or stop.
Which of the following does jogging not do?
选项
A、Strengthen the breathing muscles.
B、Condition the heart.
C、Build strong shoulder muscles.
D、Promote a "training effect".
答案
C
解析
从Regular jogging is credited with promo ting a“training effect”that conditions the heart to do more work with less effort;increases the efficiency of the respiratory system by strengthening the muscles that assist breathing来看,jogging有助于增强呼吸肌肉 (A)、调节热量(B),促进训练的效果(D)三项功能,唯独没有C项,故C为正确选项。
转载请注明原文地址:https://kaotiyun.com/show/IivO777K
0
专业英语八级
相关试题推荐
A、Besidestheofficebuilding,anapartmentbuildingistobebuilttoonextyear.B、Exceptfortheofficebuilding,theyalsop
Americansdonotgoinforenvy.Thegapbetweenrichandpoorisbiggerthaninanyotheradvancedcountry,butmostpeopleare
AnewcatastrophefacesAfghanistan.TheAmericanbombingcampaignisconspiringwithyearsofcivilconflictanddroughttocre
A、Thewallsofashowerroomcanbemadeofstraw.B、Extractorfanscanbefittedonastrawwall.C、Strawcan"breathe"natural
Agoodmarriageisgoodfortheheart,accordingtonewresearchsupportedbytheHeartandStrokeFoundation."There’slittl
TheWorldTradeOrganization(WTO)is【C1】______dealingwiththeglobalrulesoftradebetweennations.Ithasmorethan【C2】____
Thetraditionaltwo-parentfamilyisfastgivingwayintheAmericaofthe1980stohouseholdsinwhichoneadultmustjuggleth
A、Theycamefromtheoriginalwing.B、They’remadeofthesamematerial.C、They’resimilarinshape.D、Theyweredesignedbythe
A、Makinenwasunabletowalkaround.B、Makinenwashitbyacarontheroad.C、Makinenhadenjoyedridinginhiscar.D、Makinen
Accordingtotheauthorwhichofthefollowingisinevitable?Intheanimalkingdomthestruggleforexistence
随机试题
为防止弯曲件拉裂(或压裂),必须限制工件的()。
CT发现右侧肱骨骨干髓腔内密度增高,骨皮质破坏,外侧可见软组织肿块,肿块内有瘤骨,最可能的诊断是:
止血宜用蒲黄炒,润肺宜蛤粉炒的药是
本案参加诉讼的人在诉讼中的正确地位是:()。2008年7月20日,法院判决被告赔偿原告医疗费等1.8万元,陈某无过错不承担责任。2008年7月25日,李某以诉讼代理人的身份,以一审被告为被上诉人提起上诉;被告以陈某为被上诉人提起上诉;陈某以一审被
进口货物适用何种关税税率是以进口货物的原产地为标准的。()
给定材料1.此前,北京外国语大学丝绸之路研究院发起了一次留学生民间调查,来自“一带一路”沿线20个国家的青年票选出了心目中的中国“新四大发明”:高铁、支付宝、共享单车和网购。受访者纷纷表示,“新四大发明”是他们最想带回祖国的生活方式。
简述魏晋玄学产生的时代背景。
一个uNIx文件F的存取权限为rwxr—x---,该文件的文件主uid=12,gid=1,另一个用户的uid=6,gid=1,是否允许该用户执行文件F?
Wherecultureisconcerned,inMadridvarietyreigns.Withmodernartcenters【B1】______fromdiscardedfactoriesandtraditional
Marycalledmeupverylatelastnight.
最新回复
(
0
)