首页
登录
职称英语
Vitamins are organic compounds necessary in small amounts in the diet for th
Vitamins are organic compounds necessary in small amounts in the diet for th
游客
2025-03-20
36
管理
问题
Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
They do not provide energy,【C1】______ do they construct or build any part of the body. They are needed for【C2】______ foods into energy and body maintenance. There are thirteen or more of them, and if【C3】______ is missing a deficiency disease becomes【C4】______ .
Vitamins are similar because they are made of the same elements—usually carbon, hydrogen, oxygen, and【C5】______ nitrogen. They are different【C6】______ their elements are arranged differently, and each vitamin【C7】______ one or more specific functions in the body.
【C8】______enough vitamins is essential to life, although the body has no nutritional use for【C9】______ vitamins. Many people,【C10】______ , believe in being on the "safe side" and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’s vitamin needs. [br] 【C7】
选项
A、undertakes
B、holds
C、plays
D、performs
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/4005196.html
相关试题推荐
Ithasbecomenecessarytodevelopnewandbettertoolsofmarketresearchinor
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforth
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforth
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforth
Vitaminsareorganiccompoundsnecessaryinsmallamountsinthedietforth
Itisalreadytimethattheunnecessaryworkers______totheworkshopswherethey
Whenpeoplesendatelegramtheydonotincludeunnecessarywordsbecauseit___
Thebodyapparentlyresentsbeingdosedwithunusualamountsofavitaminormin
Itmaybenecessary,inorderthatfuture【C1】______canenjoycleanair,that
Itmaybenecessary,inorderthatfuture【C1】______canenjoycleanair,that
随机试题
Accordingtoarecentstudy,Ginseng,oneofthemost_____usedherbsintraditio
《国家中长期教育改革和发展规划纲要(2010-2020)》明确到2020年我国教
若,则k=________.
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
检验结果在某一浓度作为医学解释的最关键的浓度。此检验结果称为( )。A.靶值
肝、脾破裂首选的辅助检查措施是A.B超检查 B.CT检查 C.淀粉酶测定
患者,女,68岁。患大叶性肺炎,高热昏迷10天,10天内给予大量抗生素治疗,今日
李芳接受养老院的委派负责机构的志愿服务管理。下列不属于志愿服务人力资源管理“组织
团体咨询过程中运用团体练习可以达到()的目的。 (A)使成员互相帮助
对于直线相关与回归分析,若r有统计学意义(P<0.05),则A.6有统计学意义
最新回复
(
0
)