首页
登录
职称英语
[originaltext] (22)A few degrees can make a big difference when it comes to
[originaltext] (22)A few degrees can make a big difference when it comes to
游客
2023-07-01
14
管理
问题
(22)A few degrees can make a big difference when it comes to food storage. Foods can go bad if they get too warm. But for many of the world’s poor, finding a good way to keep food cool is difficult. Refrigerators are costly and they need electricity.(23)Yet spoiled food not only creates health risks but also economic losses. Farmers lose money when they have to throw away products that they cannot sell quickly. But in 1995, a teacher in northern Nigeria named Mohammed Bah Abba found a solution. He developed the " Pot-in-Pot Preservation" or " Cooling System". It uses two round containers made of clay(泥土). A smaller pot is placed inside a larger one. The space between the two pots is filled with wet sand. The inner pot can be filled with fruit, vegetables or drinks. A wet cloth covers the whole cooling system.(24)Food in the smaller pot is kept from spoiling through a simple evaporation process. Water in the sand between the two pots evaporates through the surface of the larger pot, where drier outside air is moving. The evaporation process creates a drop in temperature of several degrees. This cools the inner pot and helps keep food safe from harmful bacteria. The invention became popular with farmers in other African countries.(25)Mohammed Bah Abba personally financed the first 5.000 pot-in-pot systems for his own community and five villages nearby. In 2000, the Rolex Watch Company of Switzerland honored him with the Rolex Award for Enterprise. This award recognizes people trying to develop projects aimed at improving human knowledge and well-being.
22. What is an important factor in food storage?
23. Why does the speaker say spoiled food can create economic losses?
24. How does the pot-in-pot system work?
25. What can we learn about Mohammed Bah Abba?
选项
A、He sold his invention to make money.
B、He preferred invention to teaching.
C、He was honored with an award for his teaching method.
D、He financed 5,000 pot-in-pot systems to help people.
答案
D
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2799476.html
相关试题推荐
[originaltext]W:Tom,Iheardyoufailedthetennismatch.What’swrongwithyo
[originaltext]W:Tom,Iheardyoufailedthetennismatch.What’swrongwithyo
[originaltext]W:Tom,Iheardyoufailedthetennismatch.What’swrongwithyo
[originaltext]W:Tom,Iheardyoufailedthetennismatch.What’swrongwithyo
[originaltext]W:Ithinktheairinthecityisseriouslypolluted.Itishorri
[originaltext]W:Ithinktheairinthecityisseriouslypolluted.Itishorri
[originaltext]W:Ithinktheairinthecityisseriouslypolluted.Itishorri
[originaltext]W:Ithinktheairinthecityisseriouslypolluted.Itishorri
[originaltext]W:Ithinktheairinthecityisseriouslypolluted.Itishorri
[originaltext]W:Ididn’texpectthedormitorytobesonoisy.Theremustbeso
随机试题
[originaltext]RobertFrostwasborninSanFranciscoin1875andwassenta
()是中国特色社会主义的最本质特征。A.公平主义 B.党的领导 C.共同富
链激酶用于治疗血栓性疾病,是由于A、扩张血管 B、抑制凝血因子 C、抑制血小
A.参苏饮 B.败毒散 C.桂枝汤 D.小青龙汤 E.九味羌活汤素体气虚
碘解磷定解救有机磷农药中毒的药理学基础是A.生成磷化酰胆碱酯酶B.具有阿托品样作
危机的发生通常导致服务对象身心混乱,出现自我怀疑、自我评价低等现象。因此,社会工
天气预报所报的气温是室外环境下,距离地面1.5米四面通风的百叶箱里的温度。以下有
某企业流动资产为600万元,其中货币资金100万元,有价证券150万元,应收票据
A.竞争性抑制α-葡萄糖苷酶 B.刺激胰岛β细胞释放胰岛素 C.提高靶组织对
下列哪项不是妊髙征扩容治疗的指征 A.尿量少于600ml/d B.尿比重
最新回复
(
0
)