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OPELA Academic English Proficiency Practice Exam
OPELA — The OPELA (Online Post-Enrolment Language Assessment) is a diagnostic English proficiency test administered by Australian universities (including the University of Melbourne, Monash, Macquarie, and others) to international students after enrolment; it assesses academic reading, writing, and sometimes listening/speaking skills, with a benchmark broadly equivalent to IELTS 6.0–6.5, and students who fall below the benchmark are typically required to complete compulsory English language support programs.
31
Questions
75m
Time Limit
70.00%
To Pass
Question 1 of 31👑 VIP
Read the following passage and answer the question below. "Urban heat islands occur when densely built environments absorb and re-emit solar radiation at higher rates than surrounding rural areas. This phenomenon, documented across cities on every inhabited continent, is exacerbated by the prevalence of dark, impermeable surfaces such as asphalt and concrete, which displace the vegetation that would otherwise provide evaporative cooling. Municipal responses have ranged from mandating green roofs in new constructions to retrofitting existing pavements with reflective coatings, though the cost-effectiveness of each intervention varies considerably depending on local climate conditions." According to the passage, which factor MOST directly causes urban areas to be hotter than surrounding rural areas?
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