Problema 4 · Inglés PAU Murcia Ordinaria 2026

SECTION II: OVERALL LANGUAGE ABILITY (USE OF ENGLISH) (30 marks)

4. Complete the text choosing the best option (A, B, or C) for each gap (1-15). On your answer sheet, draw a table like the one below and, for each gap (1-15), copy the letter that corresponds to your answer (A, B, or C). Use CAPITAL LETTERS. [Score: 15 items x 1 mark = 15 marks]

Are air-fryers secretly improving indoor air quality? Scientists say 'yes,' under one condition.

(1) _____ air-fryer may be secretly helping the planet,

(2) _____ you have a liking for fatty foods.

These mini-appliances (3) _____ in popularity in recent years, quickly becoming a mainstay in kitchens across Europe.

Air-fryers (4) _____ use less electricity compared to conventional ovens, meaning they're a great

(5) _____ to keep energy bills low in the face of growing costs.

(6) _____, new research says air-fryers may be better for indoor air quality too.

Researchers from the University of Birmingham have used custom-made air quality chambers

(7) _____ volatile organic compounds (VOCs) and other airborne particles

(8) _____ are emitted during cooking. VOCs are carbon-based chemicals emitted from items

(9) _____ paint, cleaning products and materials that are often found in greater concentrations indoors.

The team used a commercially available 4.7 litre air-fryer for the experiments, cooking frozen fried, fresh low-fat,

(10) _____ fresh high-fat foods to compare emissions.

Scientists found that frozen onion rings, smoked bacon and unsmoked bacon produced the

(11) _____ levels of cooking-related emissions. It is thought this is

(12) _____ their high-fat content. However, cooking high-fat foods in a traditional fryer produces 10 to 100 times higher levels of VOCs.

"This study is the latest that shows the potential benefits (13) _____ indoor air quality of using air fryers for cooking,"

says the study's leading researcher, Professor Pfrang. " (14) _____ our previous study only looked at one type of food (lean chicken),

we wanted to look at a greater range of foodstuffs including (15) _____ with higher fat content to see how they compare specifically when cooked in an air-fryer."

The condition is you should always clean your air-fryer, as food residue can increase the number of harmful particles they emit.

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