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
外语
A、Vitamin A. B、Vitamin B. C、Vitamin C. D、Vitamin D. D信息明示题。短文中提到Vitamin D is the only vitamin which the body can make for itself
A、Vitamin A. B、Vitamin B. C、Vitamin C. D、Vitamin D. D信息明示题。短文中提到Vitamin D is the only vitamin which the body can make for itself
admin
2017-02-24
79
问题
About fifty different vitamins have been identified, and a deficiency in many of these can lead to illness.
Vitamin A is most important for good eyesight. Liver contains a considerable amount of vitamin A, but vitamin A is also found in fish, meat, milk, and some fruits and vegetables.
Vitamin B in fact consists of twelve different chemicals, which are found in egg, cheese and vegetables. If a person has an inadequate amount of vitamin B in his or her diet, this may particularly affect the skin, the nervous system and the heart.
Vitamin C helps to heal injuries. Some doctors believe that large quantities of vitamin C helps people avoid colds. Fruits and uncooked vegetables are rich in vitamin C, but when they are overcooked, or left for a long time, they lose most of their vitamins.
Vitamin D is essential for the growth of bones and is found in fish, liver and milk. Vitamin D is the only vitamin which the body can make for itself, but it can only do this if there is sufficient sunlight. A lack of both sunlight and vitamin D can result in disease called rickets, which causes bones to soften.
A well-balanced diet will provide an adequate amount of vitamins.
Questions 19 to 21 are based on the passage you have just heard.
19. Which of the following statements is true?
20. Which vitamin can be made by the human body?
21. Which of the following statement is implied by the speaker?
选项
A、Vitamin A.
B、Vitamin B.
C、Vitamin C.
D、Vitamin D.
答案
D
解析
信息明示题。短文中提到Vitamin D is the only vitamin which the body can make for itself,故选D。
转载请注明原文地址:https://kaotiyun.com/show/oxi7777K
0
大学英语四级
相关试题推荐
Formanysingles,theNewYearsignifiesanewbeginning.Itlandswiththeanticipationoftherelationshiptheyhavealways【B1
Accordingtoahandfulofstudies,anamenotonlyrevealscluesaboutaperson’sclass,educationandethnicorigin,itcanalso
A、Thehistoryteacherreallygivesadifficultassignment.B、Thewomanshouldcancelthecampingtriponthisweekend.C、Thewom
Globalwarmingcouldmakehumansshorter,warnscientistswhoclaimtohavefoundevidencethatitcausedtheworld’sfirsthorse
Whencouplesgetmarried,theyusuallyplantohavechildren.Sometimeshowever,acouplecannothaveachildoftheirown.Int
A、Theassignmentlookseasybutactuallyit’squitedifficult.B、Theassignmentistoodifficultforthemtocompleteontime.C
Therearebetween3,000and6,000publiclanguagesintheworld,andwemustaddapproximately6billionprivatelanguagessince
在农业科技领域,中国正不断缩小与发达国家的差距,科技进步对中国农业的贡献率已由1949年的20%上升到现在的42%。农业科技部门在生物技术、高新技术、基础研究方面均取得较大进展,植物细胞培养及其应用研究处于世界先进地位。大豆杂交(hybridbeans)
Somepeopleborrowmoneyand"forget"topayitback.Largeloansareseldomtheissue:theyareusuallytreatedasbusiness
A、TodisplaytheancientGreekcivilization.B、Toletmorenationsandathletestotakepartin.C、Topresenttheworld’smosti
随机试题
超薄切片技术的步骤为
女性,50岁,车祸后4小时,全身多处骨折,查体:血压80/50mmHg,脉搏126次/分,呼吸32次/分,经补液输血后,血压、中心静脉压均不升高。可能的原因是
某患者推之不醒、呼之不应。查体:瞳孔散大,角膜反射消失。可能为
为了便于成像区域的影像观察,通过某种途径引入造影剂,使某器官或组织的图像与其周围结构或组织的图像产生密度差别,以显示成像区域内组织器官的形态和功能。某患者使用碘造影剂后出现全身瘙痒、喉头水肿及大量荨麻疹,该患者属于
下列选项中,工作顺序正确的一项是( )。
《楚辞》开创了中国浪漫主义文学传统。
()之会标志着齐桓公的霸主地位得到周王确认。
二战以来,当代资本主义在生产资料所有制、劳资关系和分配关系、社会阶层经济结构政治制度,经济调节机制和经济形态等许多方面已经并正在发生着深刻变化。揭示这些新变化的表现和特点,对于在新的历史条件下深刻认识资本主义的本质,具有十分重要的意义。请回答以下
第四代计算机的标志是微处理器的出现,微处理器的组成是()
Therearepeoplewhoareespeciallyattracted【51】thenotionof"climbingtheladder"soasto【52】theirstatus,financialpositio
最新回复
(
0
)