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 ...
百度试题 结果1 题目Vitamins are complex ___ that the body requires in very small mounts. A. matters B. materials C. particles D. substances(D) 相关知识点: 试题来源: 解析 DABCA 反馈 收藏
51.Vitamins are complex ___ that the body requires in very small amounts.[A] matters [C] particles[B] materials [D] substances52.Apart from caring for her children,she has to take on such heavy ___ housework as carrying water and firewood.[A]
Vitamins 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
necessary in very small amounts to the nutrition of most animals and some plants, that are important to the control of growth and development by activating and assisting in the function of enzymes, and that are present naturally in many foods or in some cases are produced within the body ...
百度试题 题目Vitamins are complex ___ that the body requires in very small amounts. 相关知识点: 试题来源: 解析 substances 反馈 收藏
百度试题 结果1 题目5Vitamins are complex< underline> _t< /underline>hat the body requires in very small amounts. A. materials B. particles C. matters D. substances相关知识点: 试题来源: 解析 D 反馈 收藏
Notably, the Western diet is depleted in dietary vitamins28. Vitamins have a long and complex history in kidney stone management, with some of the earliest reports on this topic dating back to the middle of the twentieth century29. Since then, numerous large epidemiological datasets such as the...
It is well-known that the gut microbiota synthesises not only B-vitamins like biotin, vitamin B-12, folates, niacin, pantothenic acid, vitamin B-6, riboflavin and thiamin but also vitamin K (Hill, 1997). Not only are these vitamins involved in the bacterial metabolism, as also demonstrated...
Vitamins are smallish molecules (Vitamin B12 is the largest, with a molecular weight of 1,355) that your body needs to keep itself running properly. In How Sunburns and Sun Tans Work, we learn that the body can produce its own Vitamin D, but generally vitamins must be provided in food...