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2017年12月英语六级词汇理解真题(卷一)

2017年12月16日来源:233网校评论

Section A

Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.

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

A) dependent                   I)originated

B) Embarking                   J) reduction

C) emergenc                    K) reproduces

D) feeding                     L)security

E) grazes                      M)terror

F) halted                      N) unchecked

G) handful                     O)unchecked

H) multitude

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