All eight B-vitamins are water-soluble, but structurally as well as functionally very different. All B-vitamins (with the exception of vitamin B12) occur in plant and animal food sources, all are available as supplements at varying dosage levels, and most are regularly used for food ...
To improve the function of the nervous system C. To make bones stronger D. To increase the production of red blood cells directly 相关知识点: 试题来源: 解析 B。解析:B族维生素在运动营养中的主要功能是改善神经系统功能。A选项B族维生素不是用于帮助储存脂肪的。C选项它不能直接使骨骼更强壮。D选项...
通读全文可知这篇文章的主题句是B vitamins(维生素)may offer some protection against the effect of air pollution,a new study suggests.故选A。 (2)题详解: 词意猜测题。根据语境an international team of scientists wanted to see if exposure to concentrations of PM2.5 could be mitigated by daily B ...
Professor David Smith said that the effect of B vitamins on Alzheimer’s disease is___. A. positive B. negative C. decisive D. uncertain 相关知识点: 试题来源: 解析 D 正确答案:D 解析:细节推断题。由题干中的Bvitamins,Alzheimer’s disease定位到文章第二段末句。定位句提到,研究人员还不知道B...
(B)Vitamins are meant to improve people's immune systems (免疫系统), and with the spread of SARS, many Chinese are taking vitamins A, C, and E every day.But some US researchers say that vitamin supplements can't correct a poor diet, and that multivitamins have not been shown to prevent...
B-complex vitamin Dictionary, Encyclopedia and Thesaurus - The Free Dictionary13,846,233,608visits served TheFreeDictionary Google ? Keyboard Word / Article Starts with Ends with Text EnglishEspañolDeutschFrançaisItalianoالعربية中文简体PolskiPortuguêsNederlandsNorskΕλληνικ...
aAll the B-group vitamins can be assayed microbiologically. An excellent review of current MBAs has been provided by Ball [ 1]. The various international methods are summarised in Table 1. 所有B组维生素可以微生物学上被检验。 当前MBAs优秀回顾由Ball (1)提供。 各种各样的国际方法在表1总结。 [...
Composition of the gut microbial community. A shift in the gut microbial community, as affected by the honey bee social status, is represented (a)at the resident bacterial taxa and (b) at the major fungal genus level (>0.5% of all sequences). NEB, newly-emerged bee; 12-h, 12-h-old...
1Vitamins are complex __ that the body requires in very small amounts.A、matters B、 materials C、 particles D、 substance为什么选D?请翻译整句 2Vitamins are complex ___ that the body requires in very small amounts. A.mattersB.materialsC.particlesD.substances 3 Vitamins are complex _...
aB vitamins are organic compounds dissolved in the ocean and are important for living cells to function. Zones poor in B vitamins may inhibit the growth and proliferation of phytoplankton, which are tiny microorganisms at the base of the food chain in the ocean. B维生素是在海洋溶化的有机化合...