QUESTION TEXT: Eva: A “smart highway” system should be…
QUESTION TYPE: Necessary Assumption
CONCLUSION: Eve thinks we should install a “smart” highway system.
REASONING: Such a system would improve congestion.
ANALYSIS: The right answer is pretty blunt: Eve is assuming that improvement is possible.
___________
- Eve’s idea might still work if vehicles broke down. She’s arguing a “smart” system would improve congestion. It doesn’t have to make everything perfect.
- It doesn’t matter if traffic flow is assured by lights or by some other system. It just needs to be assured somehow.
- CORRECT. If improvement is impossible then it’s hard to see what good a smart system could do.
- Eve’s argument would be fine if the equipment was the same in each city.
- Eve’s argument would be stronger if old vehicles could take part in the system.
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