17. an estimate of how long it will take to overcome a number of problems
Key words: how long, overcome, problems
The hurdles are mentioned in the last two paragraphs, where paragraph F brings up
specific difficulties, and paragraph G shows the potentiality to overcome those problems.
Paragraph G states that “It’s clear that there are many challenges that need to be
addressed, but … these can most probably be conquered within the next 10 years.”
problems = challenges
overcome = conquer
It could then be inferred that 10 years is the estimate of how long it will take to overcome
a number of problems. Therefore, the answer is G.
→ Answer: G
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