Ielts-blog com Academic module practice test academic listening practice test section questions 10 Questions 5

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Transaction ID: 7F7577169C874764T

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Questions 27 – 33
The text above has 7 paragraphs 
A - G
.
Which paragraph contains the following information?
Write your answers in boxes 
27 – 33
on your answer sheet.
27 
The OPV protects people in the same way as a wild virus works in the body.
28 
Panic was intentionally created in order to raise money to fight polio.
29 
The OPV was more successful than the IPV at preventing polio.
30 
The US polio outbreaks caused some people to move away from high population areas in
the summers.
31 
Extremism is one barrier to the eradication of polio.
32 
Iron lungs were in great demand because the numbers of people sick with polio.
33 
One medicine used to treat polio was based on snake poison.
Page 93
Buyer: Doniyor Karimov ([e-mail])
Transaction ID: 7F7577169C874764T

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THE TWO POLIO VACCINES
Salk developed one of the two anti-polio vaccines by using (
34
) _______________ 
to stop the ability of the polio virus to attack the spinal cord. The vaccine’s presence 
after injection therefore causes the creation of antibodies. Sabin’s other vaccine uses 
induced (
35
) _______________ to stop the ability of the virus to attack the spinal 
cord. After administration, it too creates antibodies.
After large-scale (
36
) _______________, the IPV was declared safe and was used 
for vaccination in the US. Salk was a hero, despite one outbreak of polio due to a 
contaminated vaccine. The cheaper OPV became more popular over time. Both 
vaccines are effective, though there is a possible and unlikely danger of an unsafe 
(