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  3. In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage. Now, Af

In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage. Now, Af

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问题    In the past 12 months, Nigeria has suffered from a shrinking economy, a sliding currency, and a prolonged fuel shortage. Now, Africa’s largest economy is facing a food crisis as major tomato fields have been destroyed by an insect, leading to a nationwide shortage and escalating prices.
   The insect, Tutaabsoluta, has destroyed 80% of farms in Kaduna, Nigeria’s largest tomato-producing state, leading the government there to declare a state of【C1】______. The insect, also known as the tomato leaf miner, devastates crops by【C2】______on fruits and digging into and moving through stalks. It【C3】______incredibly quickly, breeding up to 12 generations per year if conditions are favorable. It is believed to have【C4】______in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa.
   In Nigeria, where tomatoes are a staple of local diets, the insect’s effects are devastating. Retail prices for a【C5】______of tomatoes at local markets have risen from $0. 50 to $2. 50. Farmers are reporting steep losses and a new $ 20 million tomato-paste factory has【C6】______production due to the shortages.
   Given the moth’s ability also to attack crops like pepper and potatoes, Audu Ogbeh, Nigeria’s minister of agriculture, has warned that the pest may "create serious problems for food【C7】______" in the country. Ogbeh says experts are investigating how to control the pest’s damage and prevent its spread, which has gone largely【C8】______until now.
   Despite being the continent’s second-largest producer of tomatoes, Nigeria is【C9】______on $ 1 billion worth of tomato-paste imports every year, as around 75% of the local harvest goes to waste thanks to a lack of proper storage facilities. A further【C10】______in local supplies is yet another unwelcome setback to the industry.
A)dependent I)originated
B)embarking J)reduction
C)emergency K)reproduces
D)feeding L)security
E)grazes M)terror
F)halted N)unchecked
G)handful O)untouched
H)multitude
【C7】
选项
答案L
解析 空格位于双引号内，是对尼日利亚农业部部长所说的话的原文引用。空格位于food之后，food与所填词一起作介词for的宾语，因此应填入名词。本句含义为“尼日利亚农业部部长奥杜-奥贝赫警告说，这种害虫可能对国家的粮食______造成严重危害。”此时若填入food reduction“粮食减少”，则句子逻辑意义混乱，故答案为security，food security意为“粮食安全”。
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