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
76
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] 【B5】
选项
答案
locally-grown
解析
此空需填入修饰成分,与空格后的sweet一起修饰potatoes。locally-grown“本地种植的”,不难听出是由两个单词组成的合成词,勿忘在locally和grown之间加连字符-。
转载请注明原文地址:http://tihaiku.com/zcyy/2803157.html
相关试题推荐
BullyingandChildrenA)Whatyoursonisdescribingisb
BullyingandChildrenA)Whatyoursonisdescribingisb
BullyingandChildrenA)Whatyoursonisdescribingisb
BullyingandChildrenA)Whatyoursonisdescribingisb
BullyingandChildrenA)Whatyoursonisdescribingisb
BullyingandChildrenA)Whatyoursonisdescribingisb
Atschoolourchildrenaretaughttoaddupandsubtractbut,extraordinaril
Atschoolourchildrenaretaughttoaddupandsubtractbut,extraordinaril
Whenchildrenhitpuberty(青春期),theirabilitytolearnasecondlanguagedro
Whenchildrenhitpuberty(青春期),theirabilitytolearnasecondlanguagedro
随机试题
Everymonththegroupmeets,soitsmemberscan_____theirviews.A、changeB、imply
[originaltext]Fromopensandalstospikedheelsorwrappedinexpensivelea
Duringthe1992presidentialcampaign,HillaryRodhamClintonobserved,"Our
Thewarriorwouldjust______die______surrender.A、rather;astoB、prefer;to
IcouldneverlietoherbecauseIknowshe’dsee_____mestraightaway.A、through
胸壁出现无痛性包块,局部有波动感,或包块穿破皮肤形成经久不愈的窦道,首先要考虑的
甘麦大枣汤的病变部位是A.心 B.肝 C.脾 D.肾
A.其标签的内容、格式及颜色必须一致 B.其标签应当明显区别或者规格项明显标注
下列集体土地的征收中,须经国务院批准的是()。A:基本农田10公顷 B:林业用
下列行为中,属于经济学意义的投资是()。A.购买股票 B.土地使用权转让 C
最新回复
(
0
)