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
Nutritional statements that depend on observation or anecdote should be given serious consideration, but consideration should al
Nutritional statements that depend on observation or anecdote should be given serious consideration, but consideration should al
admin
2010-01-10
63
问题
Nutritional statements that depend on observation or anecdote should be given serious consideration, but consideration should also be given to the physical and psychological quirks of the observer. The significance attached to an experimental conclusion depends, in part, on the scientific credentials of the experimentalist; similarly, the significance of selected observations depends, again in part, on the preconceptions of the observer.
Regimes that are proposed by people who do not look as if they enjoyed their food, and who do not themselves have a well-fed air, may not be ideal for normal people. Graham Lusk, who combined expert knowledge with a normal appreciation of good food, describes how he and Chittenden, who advocated a low-protein diet, spent some weeks in Britain eating the rations of the 1914-1918 war and then got more ample rations on board ship. Lusk attributed his sense of well-being to the extra meat he was eating; Chittenden attributed it to the sea air.
When young animals are reared for sale as meat, the desirable amount of protein in their food is a simple matter of economics. Protein is expensive, so the amount given is increased up to the level at which the increased rate of growth is offset by the increased cost of the diet. As already mentioned, the efficiency with which protein is used to build the body diminishes as the percentage of protein in the diet increases. In practice, the best diets seem to contain between 15 and 25 per cent protein. It is not certain that maximum growth rate is desirable in children; some experiments with rats suggest that rapid growth is associated with a shorter ultimate expectation of life.
There are practical and ethical obstacles to human experiments in which the effect of protein can be measured. Children do not grow as fast as the young animals in which there is a commercial interest. Their need for protein is therefore presumably smaller, but there is no evidence that the desirable protein level, after weaning, is less than 15 per cent. An argument against this percentage of protein is that in human milk only 13 per cent of the solid material is protein. That protein is, however, of better quality than any protein likely to be given to infants that are not weaned on cow’s milk.
Furthermore, milk, like other products of evolution, is a compromise. Mothers are not expendable. A species would not long survive if mothers depleted their own proteins so much in the course of feeding the first child that the prospects of later children were seriously jeopardized. Human milk is no doubt a good food, but the assumption that it is necessarily ideal is stretching belief in the beneficence and perfection of Nature too far.
According to the passage, the maximum growth rate many not be desirable in children, for rapid growth is associated with______.
选项
A、life expectancy
B、practical needs
C、scientific credentials
D、commercial interest
答案
A
解析
这是道细节题。解题的句子是文中第二段的“it is not certain that maximum growth rate is desirable in children; some experiments with rats suggest that rapid growth is associated with a shorter ultimate expectation of life. There are practical and ethical obstacles to human experiments of life.”(现在还不确定小孩子最快速的成长对他们来说是好事情,对老鼠做的试验得出快速成长和短命是联系在一起的。)故选A。
转载请注明原文地址:https://kaotiyun.com/show/KzcO777K
本试题收录于:
NAETI中级口译笔试题库外语翻译证书(NAETI)分类
0
NAETI中级口译笔试
外语翻译证书(NAETI)
相关试题推荐
Eachindividualexpresseshisopinioninthegroupbywherehestandswhenalotofpeople______togetherinachat.
Althoughmostofusthinkofthebrainasasingleframework,itisactuallydividedintotwohalves.
Howmanyofuswouldtempforthreeyearswhilewewaitedfortheperfectjob?Notmanyofus,perhaps.ButWentworthMiller,th
"Thelanguageofacomposer",Carduswrote,"hisharmonies,rhythms,melodies,colorsandtexture,cannotbeseparatedexceptb
TheancientGreeksweremuchinterestedinspeculatingonthenatureoftheworldaboutthem.
OurproductsaredisplayedinStandB22,______youwillfindmeduringofficehours.
Norevolutionsintechnologyhaveasvisiblymarkedthehumanconditionasthoseintransport.Movinggoodsandpeople,theyhav
Theword"wrath"inTheGrapesofWrathbytheNobelprizewinnerJohnSteinbeckprobablymeans:
Weregretbeingunabletoentertainyourrequestforprovidingfreeboardingto15sportsmenfortwoweeks.
"IdelightinBuckinghamPalace",saidQueenVictoria,whenshemovedinthreeweeksafterascendingtothethrone.Todaythe40
随机试题
权重
林某,平素头晕头痛,今晨突然昏仆,不省人事,牙关紧闭,口噤不开,两手握固,大小便闭,肢体强痉。刻下面赤身热,气粗口臭,躁扰不宁,苔黄腻,脉弦滑而数。应采用的治疗方法是:
增值税一般纳税人,委托加工材料因增值而交纳的增值税,计入()。
下列词语中,加横线的字的读音完全正确的一组是()。
按照归因理论,“努力”属于()因素。
中共中央国务院《关于全面深化新时代教师队伍建设改革的意见》要求全面加强师德师风建设。下列举措中属于加强师德师风建设的有()。
某镇发生禽流感,需要捕杀活鸡,农户不同意,情绪比较激动。你怎么办?
Atthelastmoment,thebasketballplayermadeaclevermaneuverthatallowedhimtoscore.
北京明华中学学生发展中心的小刘老师负责向校本部及相关分校的学生家长传达有关学生儿童医保扣款方式更新的通知。该通知需要下发至每位学生,并请家长填写回执。参照“结果示例1.png~结果示例4.png”按下列要求帮助小刘老师编排家长信及回执:仅为其中所有学校
DuringtheBritishCivilWar,thesupportersofthekingwerecalled______
最新回复
(
0
)