9) How do the plutons work? A) They infect the brain cells with toxins.
B) They stop the natural cleaning system of
the cells.
C) They penetrate through the cells’ skin.
D) They group and then isolate.
10) The next step of the hypothesis suggests that plutons… A) might activate viruses in the brain.
B) are the carriers of viruses.
C) are carried by viruses.
D) spread the infecti
Answer Key 70
ANSWER KEY READING COMPREHENSION KEY TEXT 1
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B
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D
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A
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TEXT 2
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TEXT 3
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A
TEXT 4
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N/A
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TEXT 5
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TEXT 6
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TEXT 7
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TEXT 8
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N/A
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TEXT 9
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TEXT 10
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A
