首页
登录
职称英语
[originaltext] Vitamins are essential to life. Today there are many kinds of
[originaltext] Vitamins are essential to life. Today there are many kinds of
游客
2023-08-01
95
管理
问题
Vitamins are essential to life. Today there are many kinds of vitamins. A deficiency in many of these can lead to illness.
Vitamin A is most important for good eyesight. But it is also important for general good health. Liver contains a large amount of vitamin A, but vitamin A is also found in fish, meat, milk, butter, and in some fruits and vegetables.
Vitamin B in fact consists of twelve different chemicals, which are found in eggs, cheese, butter, meal flour and vegetables. If a person does not have enough vitamin B in his diet, it may affect his whole body, particularly the skin, the nervous system and the heart. Deficiency in vitamin B results in a disease called beri-beri, a sort of disease in feet.
Vitamin C prevents scurvy and helps to heal wounds. Some doctors. believe that large quantities of vitamin C help people avoid colds. Fruits and uncooked vegetables are rich in vitamin C. a lack of vitamin C can cause a disease called scurvy.
Vitamin D is essential for the growth of bones and teeth and is found in fish, liver, oil and milk.
Vitamins can be produced and are sold, but a well balanced diet will provide the necessary amount of vitamins.
选项
A、Vitamin A.
B、Vitamin B.
C、Vitamin C.
D、Vitamin D.
答案
A
解析
Which kind of vitamin is of primary importance to good eyesight?
根据选项可知问题可能要求选择某种维生索。本题关键句为“Vitamin A is most important for good eye- sight.”
维生素A对好的视力最重要。故正确答案为A)。
转载请注明原文地址:https://tihaiku.com/zcyy/2887161.html
相关试题推荐
[originaltext]Hello,everyone.Thankyouforcoming.Todaywewilltalkabo
[originaltext]Aworldchampionbodybuilderhasnomoremusclesthandoesa
[originaltext]Aworldchampionbodybuilderhasnomoremusclesthandoesa
[originaltext]Everycountrytendstoacceptitsownwayoflifeasbeingth
[originaltext]Everycountrytendstoacceptitsownwayoflifeasbeingth
[originaltext]M:Hey,Linda,doyougetthatletteraboutthenewoptionsforf
[originaltext]M:Hey,Linda,doyougetthatletteraboutthenewoptionsforf
[originaltext]M:Yael,what’sthatinyourhand?W:Comeon,Don.Haven’tyous
[originaltext]M:Yael,what’sthatinyourhand?W:Comeon,Don.Haven’tyous
[originaltext]M:Yael,what’sthatinyourhand?W:Comeon,Don.Haven’tyous
随机试题
Themachineiseightyearsold,hutitoperatesasifit______new.A、isB、beC、wa
Thelocaltheaterhasitsspecialwaysofdrawingcrowds.UnliketheBroadwa
[originaltext](16)Thefirstthreeyearsofachild’slifeisthemostinte
Time,asweknowit,isaveryrecentinvention.Themoderntime-senseish
______Ilikeverymuchtodoscience,asateacher1havetogooverthestuden
工程没有满足某个规定的要求,就称之为质量缺陷。
不属于投标文件主要内容的是()。A、投标函 B、投标报价 C、施工组织设
春联:年画 A灯笼:元宵 B粽叶:粽子 C菊花:月饼 D灶王:腊八粥
人们常说的“耄耋之年”是指()。 A.六十岁B.七十岁 C.八九十岁D
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
最新回复
(
0
)