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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 in 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 B) embarking C) emergency D) feeding
   E) grazes F) halted G) handful H) multitude
   I) originated J) reduction K) reproduces L) security
   M)terror N) unchecked O) unchecked
【C1】
选项
答案C
解析 空格前为介词of，故空格处应填名词或者动名词，且需填入的词应与a state of构成固定搭配。根据句意：这种名叫番茄叶虫的昆虫使80％的农场都遭受到了破坏，导致当地政府宣布进入______状态，故名词emergency符合题意，与of构成固定搭配，意为“紧急状态”。故选C。
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