首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
共用题干 Some Schooling on BackpacksAccording to the U.S.Consumer Product Safety...
共用题干 Some Schooling on BackpacksAccording to the U.S.Consumer Product Safety...
admin
2020-12-24
42
问题
共用题干
Some Schooling on Backpacks
According to the U.S.Consumer Product Safety Commission,5,900 kids were treated at hospital emergency rooms,clinics,and doctors'offices last year for sprains(扭伤)and strains caused by backpacks.Such injuries are so widespread that more than 70 percent of physicians surveyed by the American Academy of Orthopedic(整形外科的)Surgeons listed backpacks as a potential clinical problem for children.
How do you avoid such problems? Choose bags that have wide , padded straps(有垫的背带)and abelt.That will help transfer some of the weight from the back and shoulders to the hips.You should alsotighten both straps firmly,so the pack rests about 2 inches above your waist.Also,remember to pack yourbag with the heaviest items closest to your back and to bend both knees when you pick it up.
How much should you stuff into your pack?That depends on your size and strength,but a general ruleis not to exceed 20 percent of your body weight.So if a child weighs 100 pounds,the backpack and its loadshould not be more than 20 pounds.One hint : Make frequent trips to your locker(储物柜)to exchangebooks between classes.
Backpacks with wheels let you pull the weight along the ground,but they have problems too.Many arelarger than the average shoulder bag,so students are tempted to carry more than they would in a conventionalpack.
Roller bags often don't fit into a locker.They can also lead to tripping and falls in crowded halls.
Whatever you use,10 or 15 minutes of stretching and back strengthening is a good idea.
选项
A100-pound child should carry a backpack of more than 20 pounds.
A:Right
B:Wrong
C:Not mentioned
答案
B
解析
由文章第一段第一句可知,根据统计,去年美国有5 900个孩子因为由背带书包引起的扭伤及拉伤而接受治疗,故题干表述正确。
文章第一段最后一句中关于此处的表述背景是在美国,而题干中是英国,并且此处的70%指的是占接受调查医生总数中的比例。故题干描述错误。
由文章第二段中第二句和第三句可知,选择一个带有背带垫和腰带的背包有助于把背包的一部分重量从肩部和背部转移分担到臀部。
由文章第三段第三句可知,如果一个孩子体重为一百磅,那么他的背包负重不应超过 20磅。
由文章第三段最后一句可知,文章给出的建议是经常去储物柜调换不同科目用的课本,而不是将所有的课本都放人储物柜里。
文章第四段第二句中提到很多拉杆式书包比普通有肩带的背包要大,但并未提到其重量。
由文章最后一段最后一句可知,10到15分钟的拉伸和背部强化锻炼会是很不错的方法,故题干描述正确。
转载请注明原文地址:https://ti.zuoweng.com/ti/JYEQKKKQ
相关试题推荐
Inordertoimproveourstandardofliving,wehavetoaccelerateproduction.()A
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 EconomicReforminChinaMoreUSsinologistshaveexpressedconfidencei...
共用题干 TheJoyofLivingAloneMoreandmoreAmericansarelivingalone.Someli...
随机试题
母乳中可增加小儿免疫功能的成分是( )。 A、乳酸蛋白 B、不饱和脂肪酸
系统性红斑狼疮临床表现( )。 A、变化多端 B、以呕吐为突发 C、病情
期货市场对某大豆生产者的影响可能体现在( )。 A.该生产者在期货市场上
不属于低分子溶液剂的是 A、碘甘油 B、复方薄荷脑醑 C、布洛芬混悬滴剂
下列没有行气功效的中药是
下列关于计算机通讯技术的表述不正确的是()。A.Web2.0的用户既是网站内容的浏览者,也是网站内容的制造者B.3G相对于2G的优势在于传输声音和数据
衡量学生思想水平高低的根本标准是()。A、道德认识B、道德意志C、道德情感D、道德行为
以“生活教育”为理念,创办中国化、平民化的幼稚园,建立生活教育课程理论体系的人是()。 A.陈鹤琴B.张宗麟 C.张雪门D.陶行知
在个人的月饼记忆里,印象最深的还是20世纪六七十年代经济拮据的时期。那时北方人吃的多是一种硬皮的提浆月饼,如果能得到一块软软、油烘烘的广式月饼就像中了彩。...
质量的概念从“符合性质量”发展到“适用性质量”的过程,体现了企业对质量的认识逐步深化的过程,企业逐渐将满足()的需求放在了首位。A:顾客B:供应商C:服务商