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单选题

    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 (26)_____. The insect, also known as the tomato leaf miner, devastates crops by (27)_____ on fruits and digging into and moving through stalks.It (28)_____ incredibly quickly, breeding up to 12 generations per year if conditions are favorable. it is believed to have (29)_____ 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 (30)_____ 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 (31) _____ 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 (32) _____ ” in the country. Ogbeh says experts are investigating how to control the pest's damage and prevent its spread, which has gone largely (33)_____ until now.

    Despite being the continent’s second-largest producer of tomatoes, Nigeria is (34)_____ 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 (35)_____ in local supplies is yet another unwelcome setback to the industry.

(31)

A
handful
B
feeding
C
reduction
D
grazes
E
terror
F
untouched
G
dependent
H
unchecked
I
reproduces
J
security
K
originated
L
multitude
M
embarking
N
halted
O
emergency
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答案:

A

解析:

名词

C) emergency紧急情况

H) multitude众多;群众;人群

J) reduction减少

L) security安全

M) terror恐怖

G) handful少数,一把

动词

B) embarking从事,着手

K) reproduce复制,再生

I) originated起源,发起

F) halted停止

E) feeding喂养

D) grazes放牧;擦伤

形容词

A) dependent依靠的,从属的

N) unchecked未经核对的

O) untouched未受影响的;未触动过的

26. 解析:C)emergency。名词辨析题。空格前是of,后面作为of的宾语,因此应填入名词。备选项有H)multitude众多;群众;人群;J)reduction减少;L)security安全;M)terror恐怖;G)handful少数,一把。根据上文,昆虫危害了80%的农场,因而这里应该是形容情况的紧急,因此选C。

27. 解析:D)feeding。动词辨析题。空格位于by之后,空后有介词on,可见此处应填入动名词,与digging并列。备选项有B)embarking从事,着手;E)feeding喂养。embark on表示“开始,着手”,不符合句意;feed on表示“以……为生”,符合句意,为正确答案。

28. 解析:K)reproduces。动词辨析题。空格处应填入动词,主语为it,应填入第三人称单数。备选项有K)reproduces复制,再生;D)grazes放牧;擦伤。从后文breeding up(繁殖)可知,此处应填入K)reproduce。

29. 解析:I)originated。动词辨析题。空前为助动词have,空处应填入动词过去分词与后文spread并列。备选项有I)originated起源,发起;F)halted停止。根据语义,应为起源于南美,之后扩散到欧洲和撒哈拉以南的非洲,故填入originated。

30.解析:G)handful。名词辨析题。空格前为不定冠词a,空处应填入可数名词单数,备选项有H)multitude众多;群众;人群;J)reduction减少;M)terror恐怖;G)handful少数,一把。结合句意:当地市场中购买_____番茄的零售价格已经从0.5美元上涨到2.5美元。应该是购买“几个”,a handful of表示“少量”。

31. 解析:F)halted。动词辨析题。空格前有助动词has,空后为宾语production,空处应填入动词过去分词,只有F)halted一个备选项。

32. 解析:L)security 。名词辨析题。空格前是名词,名词可以修饰名词,空格处应填入名词。备选项有H)multitude众多;群众;人群;J)reduction减少;L)security安全;M)terror恐怖。只有food security(食品安全)能够搭配,选L。

33. 解析:N)unchecked。形容词辨析题,空前为副词largely,空处应填形容词,备选项有:A)dependent依靠的,从属的;N)unchecked未经验证的;O)untouched未受影响的;未触动过的。原句意思说:专家们正在研究如何控制虫害并防止它传播,而结果还_____,此处“未经验证”符合原文意思。

34. 解析:A)dependent。形容词辨析题。空格前是be动词,空格处应该填入形容词。备选项有A)dependent依靠的,从属的;O)untouched未受影响的;未触动过的。由于空后有介词on,untouched不与on搭配,dependent on表示“依赖”。这句话意思是,尼日利亚每年依赖价值一百万的进口番茄酱,选A。

35. 解析:J)reduction。 名词辨析题。空格前是量词加形容词,所以此处应该填入可数名词的单数。备选项有H)multitude众多;群众;人群;J)reduction减少;M)terror恐怖。本句话意思为:本地供应的_____会成为这个行业另一个不利因素。前文一直在说番茄减产,此处应该填入“减少”。

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