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Information and IdeasVery hardDetail that qualifies a general claim

Information and Ideas practice question

Cities that planted more street trees over the past decade generally recorded cooler summer afternoons. The effect, however, was far from uniform: in districts where trees were planted along wide, exposed avenues, the cooling was measurable within five years, whereas in narrow streets already shaded by tall buildings the new trees made almost no difference to afternoon temperatures.

According to the text, where did new street trees have the least effect on afternoon temperatures?

  1. A. In narrow streets already shaded by tall buildings.Correct
  2. B. Along wide, exposed avenues.
  3. C. In cities that planted trees over a decade.
  4. D. In districts measured after five years.

Answer: A. In narrow streets already shaded by tall buildings.

Existing shade left little for new trees to add.

Why the other answers are wrong

B. Along wide, exposed avenues.
That is where the cooling was measurable.
C. In cities that planted trees over a decade.
The general claim is about cooling, not its absence.
D. In districts measured after five years.
Five years is when the avenue effect appeared.

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