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Multiple choice — доказательства до интуиции

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Два выбора требуют двух проверок доказательств

  • При выборе двух вариантов оценивайте каждый отдельно относительно текста и той же формулировки в вопросе. Пара, которая вместе звучит правдоподобно, все равно может содержать один неподтвержденный вариант.

This passage and every question below were written for this site. They are practice, not official IELTS material.

A district library tested whether adjustable window blinds could make its reading rooms more comfortable. For four weeks in late spring, staff measured the temperature at 3 p.m. in two west-facing rooms and asked visitors a short comfort question. Room A kept its fixed blinds; Room B received adjustable ones. Room B was, on average, 1.8°C cooler at the time of measurement. However, it also contained fewer computers, which give off heat. The survey responses varied from week to week and did not show a clear difference between the rooms. The managers postponed a decision to buy blinds for every branch. They planned a second trial in rooms with the same number of computers.

The passage reports an observation: B was cooler. It does not establish the cause of that difference. That distinction is the centre of this lesson.

Жалюзи могли блокировать солнечный свет, но они не могли блокировать ошибочные выводы.

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IGCSE, A-Level & AP