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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
admin
2021-01-08
32
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
【C3】
选项
答案
K
解析
空格所在的句子缺少谓语,因此应填入动词作谓语,grazes,halted,originated及reproduces在语法上都满足要求。该句后半部分指出“这种昆虫在条件适宜时一年可以繁育12代”,由此可知句子主干表达的意思应为“繁殖速度快得令人难以置信”,故答案为reproduces“繁殖,生殖”。根据句意,可排除grazes“放牧,(牛羊)吃草”,halted“停止”及originated“起源,发源”。
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大学英语六级
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