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雅思阅览标题涉及到的类型许多，许多第一次参加雅思考试的同学可能会感觉复习起来有些头痛，找不到侧重点。辛达雅思代报小编依据剑桥雅思真题的标题，

为大家整理了剑桥雅思阅览题型分类练习解析：单选题6，期望对各位同学的雅思备考有所协助：

[C8T4P2-P95]

14. The use ofpesticides has contributed to

A achange in the way ecologies are classified by agroecologists.

B animbalance in many ecologies around the world.

C theprevention of ecological disasters in some parts of the world.

D anincrease in the range of ecologies which can be usefully farmed.

答案：B

原文：Apart from engendering widespread ecological disorders, pesticides havecontributed to the emergence of a new breed of chemical-

resistant, highlylethal superbugs.

同义替换：imbalance = disorders; in many ecologies = ecological

15. The Food andAgriculture Organisation has counted more than 300 agricultural pests which

A are nolonger responding to most pesticides in use.
B can be easily controlled through the use of pesticides.
C continue to spread disease in a wide range of crops.
D may be used as part of bio-control's replacement of pesticides.

答案：A

原文：According to...the Food and Agriculture Organisation (FAO), more than300 species of agricultural pests have developed resistance to a wide

 range ofpotent chemicals.

同义替换：are no longer responding to = have developedresistance to ; most pesticides in use = a wide range of potent chemicals

16. Cotton farmersin Central America began to use pesticides

A becauseof an intensive government advertising campaign.

B in responseto the appearance of new varieties of pest.

C as aresult of changes in the seasons and the climate.

D toensure more cotton was harvested from each crop.

答案：D

原文：In the early 1940s, basking in the glory of chemical-based intensiveagriculture, the farmers avidly took to pesticides as a sure measure to

 boostcrop yield.

同义替换：use = took to ; ensure = a sure measure ;more cotton was harvested = boost crop yield

17. By themid-1960s, cotton farmers in Central America found that pesticides

A were wipingout 50% of the pests plaguing the crops.

B weredestroying 50% of the crops they were meant to protect.

C werecausing a 50% increase in the number of new pests reported.

D werecosting 50% of the total amount they spent on their crops.

答案：D

原文：By the mid-1960s, the situation took an alarming turn with the outbreakof four more new pests, necessitating pesticide spraying to such an

 extent that50% of the financial outlay on cotton production was accounted for bypesticides.

同义替换：amount they spent = financial outlay ; ontheir crops = on cotton production

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