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
专升本
Vitamins are important to our health. Different vitamins are found in different foods, grains, vegetables and fruits, fish and m
Vitamins are important to our health. Different vitamins are found in different foods, grains, vegetables and fruits, fish and m
admin
2022-02-18
61
问题
Vitamins are important to our health. Different vitamins are found in different foods, grains, vegetables and fruits, fish and meat, eggs and milk products. So which foods should be eaten to get enough of the vitamins our bodies need? Let us look at some important vitamins for the answer.
Vitamin A helps prevent skin and other tissues from becoming dry. People who do not get enough Vitamin A cannot see well in darkness. They may develop a condition that dries the eyes. This can result in infections and lead to blindness. Vitamin A is found in fish liver oil. It is also in the yellow part of eggs. Sweet potatoes, carrots and other darkly colored fruits and vegetables contain substances that the body can change into Vitamin A.
Vitamin B is also called thiamine (硫胶). Thiamine changes starchy foods into energy. It also helps the heart and nervous system work smoothly. Without it, we would be weak and would not grow. We also might develop beriberi (脚气病). Thiamine is found not just in whole grains like brown rice, but also in other foods. These include beans and peas, nuts, and meat and fish.
Vitamin C is needed for strong bones and teeth, and for healthy blood passages. It also helps wounds heal quickly. The body stores little Vitamin C. So we must get it every day in foods such as citrus fruits, tomatoes and uncooked cabbage.
Vitamin D increases levels of the element calcium (钙) in the blood. Calcium is needed for nerve and muscle cells to work normally. It is also needed to build strong bones. Vitamin D prevents the children’s bone disease rickets (佝偻病). Ultraviolet light from the sun changes a substance in the skin into vitamin D. Fish liver oil also contains vitamin D. In some countries, milk producers add vitamin D to milk so children will get enough.
Vitamin K is needed for healthy blood. It thickens the blood around a cut to stop bleeding. Bacteria in the intestines (肠道) normally produce vitamin K. It can also be found in pork products, liver and in vegetables like cabbage, kale and spinach.
Lack of Vitamin A will lead to________.
选项
A、night blindness
B、heart disease
C、beriberi
D、rickets
答案
A
解析
细节题。根据关键词Vitamin A定位于第二段,从该段第四句与第二句,可以得出答案。
转载请注明原文地址:https://kaotiyun.com/show/TTQD777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
简述政策研究组织的作用。
帕顿和沙维奇认为政策分析人员在每次分析活动前都要从四个角度审视和反省自己。这四个角度是()
简述生产力发展状况对政策执行的影响。
按照皮亚杰的认知发展理论,“客体永久性”出现在哪个阶段?()
简述智力发展的一般趋势。
Inspiteofthis,sheisregardedtodayasagreatpoet,perhapsthegreatestpoettheUnitedStateshasproduced.
Look________thedifferentmeaningsofthesewordsinadictionary.
A.Learningaforeignlanguagegaveusinsightintoanotherculture,andourmindwasopenedtonewwaysofseeingthings.B.We
Mostpeopleagreethatthedirect,assertive(坚定自信的)Americanpersonalityisavirtue,butitsometimessurprisesforeigners.In
Themanagerchargedher________usingthecompany’smoneyforherownpurpose.
随机试题
Inthefirstparagraphtheword"expatriate"refersto______.WhydolocalCantoneselearnMandarin?
女性病人,30岁,黄疸半月,自诉尿黄,皮肤瘙痒。检查肝肋下可及二指,压痛,黄疸指数50单位,AKP50单位,凡登白立即反应阳性,其他肝功能检查正常,应考虑_______。
患者,女性,18岁。因骨肉骨瘤行右大腿截肢术,术后出现患肢痛,护理人员向患者解释中不正确的是
糖尿病酮症酸中毒患者经注射胰岛素及静滴生理盐水后,血糖降低、失水纠正、尿量增多。此时最应注意防止
某县检察院以抢劫罪对孙某提起公诉,被害人李某提起附带民事诉讼。下列哪一种说法是正确的?()
某埋地敷设管道工程,按异节奏流水组织施工,计划分10段施工。工程内容分为开挖沟槽、处理基础和垫层、下管安装、回填等4个施工过程,预计各施工过程单段施工时间分别为20天、40天、40天和20天,则该项工程的总工期应为( )。
外汇储备增加会减少一国中央银行干预外汇市场的能力。()
公司经管理发生严重困难,继续存续会使股东利益受到重大损失,通过其他途径不能解决的,持有公司全部股东表决权百分之十以上的股东,可以请求人民法院解散公司。股东提起解散公司的诉讼应当()。
色彩是城市景观中的重要因素。城市色彩研究工作主要有以下几个方面:一个城市是否可能或应该具有特定的色彩基调?什么样的城市色彩基调能够与其所在的自然环境和谐共处?如何从色彩这一设计角度使城市具有统一和谐、美丽宜人的景观,从而给生活于此的人们创造出良好的生存环境
Nowadays,astandardformeasuringpowerhaschanged.Thesechangesforetellanewstandardformeasuringpower.Nolongerwill
最新回复
(
0
)