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
考研
Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals,i
Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals,i
admin
2015-06-11
31
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 transforming foods into energy and body maintenance.There are thirteen or more of them,and if【C2】______is missing a deficiency disease becomes【C3】______.
Vitamins are similar because they are made of the same elements—usually carbon, hydrogen, oxygen, and sometimes nitrogen.They are different【C4】______their elements are arranged differently,and each vitamin【C5】______one or more specific functions in the body.
【C6】______enough vitamins is essential to life,【C7】______the body has no nutritional use for【C8】______vitamins.Many people,【C9】______,believe in being on the "safe side" and thus take extra vitamins.However,a【C10】______diet will usually meet all the body’s vitamin needs.
【C5】
选项
A、undertakes
B、holds
C、plays
D、performs
答案
D
解析
performs意为“执行,履行,完成”,可与functions搭配,其余三个词不与之搭配。
转载请注明原文地址:https://kaotiyun.com/show/GnQi777K
0
在职申硕(同等学力)英语
相关试题推荐
Musiccomesinmanyforms;mostcountrieshaveastyleoftheirown.【C1】______theturnofthecenturywhenjazz(爵士乐)wasborn,Am
NotonlyinobvioussituationsAsuchaswarsandrevolutionsBenemiesarenecessaryandveryusefulasawayCtofocustheatten
Andreahadneverseenanoldladyhitchhiking(搭车)before.However,theweatherandthecomingdarknessmadeherfeelsorryfor
Beforeyoudecideonavocation,itmightbeagoodideatoconsultafewgoodfriends.
Wilmutmaintainsthatcloninganimalshastremendouspotentialforhelpingpeople.ClonedSheep,hesays,couldbeusedaslivin
Discoveriesinscienceandtechnologyarethoughtbymanytocomeinblindingflashesorastheresultofdramaticaccidents:Si
Nottoolongago,aguestcheckingoutofourPolynesianVillageresortatWaltDisneyWorldwasaskedhowsheenjoyedhervisit
Nottoolongago,aguestcheckingoutofourPolynesianVillageresortatWaltDisneyWorldwasaskedhowsheenjoyedhervisit
Whatareblackholes?Thisquestionisdifficulttoanswer,sincewedonothavethenecessarywordstodescribethem.Scientist
Unlessthepopulationgrowthstabilizes,environmentalistspredictaworldwidestarvationbythenextdecade.
随机试题
(2004)Theteachersaysyourarticleneeds_____.
下列属于糖尿病急性并发症的是
诊断是:该患者未坚持治疗,两个月后再次就诊时发现原肛管裂口加深,边缘呈"缸口"增厚。此时诊断考虑:
S是表示
关于招标代理机构的资格管理,下列说法正确的有()。
下列会计处理中,体现实质重于形式会计信息质量要求的有()。
所有被删除的文件都可以从回收站中恢复。()
领导者与工作人员的职责权限明确划分,工作人员在职权范围内有自主权。这种领导方式属于()领导。
社会主义市场经济体制改革中国在相当长时间内曾实行高度集中的计划经济体制。随着社会主义市场经济体制改革的深入和民主政治建设的推进,过去人们在择业、迁徙、致富、投资、资讯、旅游、信仰和选择生活方式等方面有形无形的不合理限制,被逐步解除。这就带来了前所
Thisarticlefocusesontheminormattersthatjobseekersoften______.
最新回复
(
0
)