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
Vitamins, like minerals, are chemicals. There is absolutely not difference (1)______ in the chemical structure of the nature vit
Vitamins, like minerals, are chemicals. There is absolutely not difference (1)______ in the chemical structure of the nature vit
admin
2014-01-09
39
问题
Vitamins, like minerals, are chemicals. There is absolutely not difference (1)______
in the chemical structure of the nature vitamin C and the chemical structure (2)______
of the synthetic vitamin C. Also, while most substances are harmless at very low (3)______
level of intake, all substance — even the elements that are essential to
life — can be dangerous if you overdo them. Take water for example.
Six or eight glasses a day will keep your body in good
fluid balance. But you can also be drown (4)______
in it. Some people argue that since individuals vary greatly (5)______
their need for nutrients, it cannot necessarily be stated any given (6)______
amount is too much; that is all relative. But since there is little solid
information on what is the optimal intake of any essential nutrient in
healthy individuals, it would be impossible to give
guidelines that take these proportional needs into the (7)______
account. Just as with other drugs, the relation to (8)______
different vitamin dosages varies, with some people better
able than others to tolerate large
amounts. While we do know that very specifically what the toxic level (9)______
is for vitamins A and D, we are far less sure about vitamin E,
even though it, too, is fat-soluble, and
we still don’t understand the water-soluble vitamin, the C (10)______
and the B groups, which the body can’t store.
(7)
选项
答案
the→/
解析
转载请注明原文地址:https://kaotiyun.com/show/kqZO777K
0
专业英语八级
相关试题推荐
不过,一个人到了四十岁后,在生活中大概都锻炼出宠辱不惊的本事,也不会在乎锦上添花、雪中送炭或落井下石了。那是因为我们已经历过生命的痛苦与挫折,也体验了许多情感的相逢与离散,慢慢地寻索出生命中积极的、快乐的、正向的理念,这种理念,正是“常想一二”。“常想一二
OneschoolnightthismonthIsidleduptoAlexander,my15-year-oldson,andstrokedhischeekinamannerIhopedwouldseemc
______,oncetheprisonduringthe16thand17th,isnowoneoftheBritishmostpopulartouristattractions.
AirPollutionAirpollutionistypicallycausedby【1】_____ranbythefactoriesofmodernindustrialna-
AirPollutionAirpollutionistypicallycausedby【1】_____ranbythefactoriesofmodernindustrialna-
Earlyanthropologists,followingthetheorythatwordsdeterminethought,believedthatlanguageanditsstructurewereentirel
SomePremisesunderWhichLinguistsOperateWhenwedolinguisticresearch,weneedtoknowsomeofthepremisesunderwhic
ThepopulationofAustraliaislargelylocatedinthe
InthespiritoffranknesswhichIhopewillcharacterizeourtalksthisweek,letusrecognizeattheoutsetthesepoints:We
ThedraftoftheDeclarationofIndependencewaswrittenby______.
随机试题
天、地、人、和四家公司2015年部分财务数据如下表:如果四家公司的权益乘数都增加0.2,则净资产收益率增加最多的是()。
成人肠套叠的临床表现是
不论整体吊升法中的哪种方法,都要()。
提前报关的进口转关货物应在电子数据申报之日起()天内向进境地海关办理转关手续。
人力资本投资支出包括()。
关于水稻,下列说法正确的是()。
Writethearticle.Runforclasses.Haven’tfinishedthereadings.Housecleaning.Assignmentto【C1】______intwohours.Outofb
对劳动教养人员的考核内容主要是()三个方面。
我国古代有一位学者,被李约瑟誉为“中国科学制图学之父”“完全可以和欧洲古代著名地图学家托勒密相提并论”。则该名学者是()。
Educatorstodayaremoreandmoreoftenheardtosaythatcomputerliteracyisabsolutelynecessaryforcollegestudents.Manye
最新回复
(
0
)