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=>ANSWER: E

1. Pronghorns rely on their eyesight and…..to avoid predators.

Keywords: pronghorns, eyesight, avoid predators

In paragraph 6, the writer says that “Pronghorn, dependent on distance vision and speed to keep safe from predators.”

• 
  rely on=be dependent on
  
• 
  eyesight=vision
  
• 
  avoid=keep safe from
  

=>ANSWER: speed

1. One particular population‟s summer habitat is a national park, and their winter home is on the….., where they go to avoid the danger presented by the snow at that time of year.

Keywords: winter home, danger, snow

In paragraph 6, the writer indicates that “If they (pronghorns) can‟t pass through again in autumn, escaping south onto those windblown plains, they are likely to die trying to overwinter in the deep snow.”

• 
  danger~likely to die
  

=>ANSWER: plains

1. However, their route between these two areas contains three 25…..

Keywords: route, contains three

In paragraph 6, the writer explains that “These pronghorns are notable for the invariance of their migration route and the severity of its constriction at three bottlenecks.”

=>ANSWER: bottlenecks

1. One problem is the construction of new homes in a narrow 26…..of land on the pronghorns‟ route.

Keywords: construction, homes, narrow

At the end of paragraph 6, the writer indicates that “At one of the bottlenecks, forested hills rise to form a V, leaving a corridor of open ground only about 150 metres wide, filled with private homes.”

• 
  narrow~only about 150 metres wide
  

=>ANSWER: corridor

CAMBRIDGE IELTS 11 – TEST 3 – PASSAGE 3

34. 
    Which section contains the following information?
    

1. 
   a reference to books that assume a lack of mathematical knowledge Keywords: books, lack of mathematical knowledge
   

In paragraph D, the writer indicates that “Other scientists have written books to explain their fields to non-scientists, but have necessarily had to omit the mathematics, although it provides the foundation of their theories.”

 assume a lack of mathematical knowledge~omit the mathematics