首页
登录
职称英语
Lack of Vitamin A is the leading cause of blindness among children in develo
Lack of Vitamin A is the leading cause of blindness among children in develo
游客
2023-07-02
52
管理
问题
Lack of Vitamin A is the leading cause of blindness among children in developing countries.
These children do not get enough Vitamin A in the food they eat.
In Africa, more than 3,000,000 children【B1】______blindness or sickness caused by lack of Vitamin A Scientists say sweet potatoes are rich in beta carotene(β-胡萝卜素)—the natural orange-colored【B2】______ that the human body needs to produce Vitamin A.
One recent study found that orange-colored sweet potatoes are an excellent food for families in southern and eastern Africa. Scientists from Kenya, Uganda and the International Potato Center in Peru【B3】______ the ten-year study. The scientists found that several kinds of sweet potatoes produce excellent harvests in some areas where Vitamin A【B4】______ is widespread. They said sweet potatoes provided large amounts of Vitamin A at a very low cost.
People in Africa liked the orange-colored sweet potatoes used in the study. Some people had thought Africans would not accept such potatoes because they are sweeter than 【B5】______ sweet potatoes. The traditional African sweet potato is white and 【B6】______ little or no beta-carotene. However, research studies and taste tests showed the new sweet potatoes are able to【B7】______ the local crops. Wanda Collins is a research【B8】______ at the International Potato Center. She says the study found that mothers in Africa accepted the orange-colored sweet potatoes. Women who knew the value of these potatoes continued to buy them when food【B9】______ caused price increases. Ms. Collins says the next step is to develop this【B10】______ crop in other areas of Africa. [br] 【B1】
选项
答案
suffer from
解析
此空需填入谓语部分,构成完整的句子结构(…children suffer from blindness orsickness…)。suffer from“患……病”。
转载请注明原文地址:https://tihaiku.com/zcyy/2803153.html
相关试题推荐
[originaltext]Vitaminsareessentialtolife.Todaytherearemanykindsof
[originaltext]Vitaminsareessentialtolife.Todaytherearemanykindsof
Weoftenpassonlittlebitsofinformationtoourchildren,notknowingif
Weoftenpassonlittlebitsofinformationtoourchildren,notknowingif
Weoftenpassonlittlebitsofinformationtoourchildren,notknowingif
Weoftenpassonlittlebitsofinformationtoourchildren,notknowingif
[originaltext]Whencouplesgetmarried,theyusuallyplantohavechildren.
[originaltext]Whencouplesgetmarried,theyusuallyplantohavechildren.
ChildrenAreWhattheMothersAre1.阐明此谚语的含义2.说明产生此现象的原因3.该谚语给予的启示
Researchthatwentintodevelopingthehighlyspecializedtechnologyforspa
随机试题
ChooseTWOletters,A-E.WhichTWOproblemsdoGroverandthetutoridentifycon
Whatisthepatientsufferingfrom?[originaltext]M:Ifyou’lljusthaveaseat,
Whichdescriptionofthemeaningcomponentsoftheword"father"isright?A、+hu
Itiswellknownthattherearesome______toeverygrammticalrule.A、exception
[originaltext]W:Whydidn’tyouhaveyourgeologyclasstoday?M:Onlythreeo
下列哪个是湿式报警阀组()。 A.A B.B C.C D.
A.消除传染源 B.切断传播途径 C.保护易感人群 D.开展消毒杀虫 E
著作∶书∶丛书A.裙子∶衣服∶服装 B.树∶树林∶森林 C.成语∶
高中生甲(17周岁),为了在学校里当老大,纠集部分同学,经常随意殴打其他同学,在
当专家的工作涉及使用对专家工作具有重要影响的原始数据时,注册会计师为了测试这些数
最新回复
(
0
)