Creating Artificial Gills IELTS Listening Answers

May 7, 2022

Creating Artificial Gills IELTS Listening Answers requires candidates to listen to a monologue about a woman giving a talk at a popular science convention. She is describing research into artificial gills designed to enable humans to breathe underwater. The candidate needs to answer the following question types:

No more than two words

In no more than two words, candidates are required to write the correct answer with a word limit of two.

The IELTS Listening section tests a candidate’s listening ability. The candidates are required to listen to an audio and then answer the given IELTS listening questions.

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Topic: Creating Artificial Gills

Audio:

Questions 1-10:
Complete the notes below.
Write NO MORE THAN TWO WORDS for each answer.

Background

Taking in oxygen; mammals - lungs; fish - gills
Long-held dreams - humans swimming underwater without oxygen tanks
Oxygen tanks considered too 1_________ and large
Attempts to extract oxygen directly from water
1960s - prediction that humans would have gills added by 2_________
Ideas for artificial gills were inspired by research on
- fish gills
- fish swim bladders
- animals without gills - especially bubbles used by 3_________

Question 1:

Answer 1: heavy
Explanation: In the monologue, the woman states that tanks are heavy. But it is used by people to move and work comfortably underwater.

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Question 2:

Answer 2: surgery
Explanation: The woman states the fact stated by in the nineteen sixties the famous underwater explorer Jacques Cousteau. He predicted that one-day surgery could be used to equip humans with gills.

Question 3:

Answer 3: beetles
Explanation: The woman states that the scientists also looked at animals without gills. One such example is the beetle. Hence beetle is the correct answer here.

Building a simple artificial gill

Make a watertight box of a materiaI which lets 4_________ pass through

Answer: gas
Explanation: The woman states about a watertight box made of permeable materials. It will be seen that gas passes through it.

Fill with air and submerge in water Important that the diver and the water keep 5 _________

Answer: moving
Explanation: The diver has to keep the water moving. It helps water high in oxygen be always in contact with the gill.

The gill has to have a large 6_________

Answer: surface area
Explanation: The woman states that women need gills that have a large surface area. A large surface helps in contraction and relaxation.

Designers often use a network of small 7_________ on their gill

Answer: tubes
Explanation: Different gill designers have addressed a network or lattice arrangement of tiny tubes as part of their artificial gills. Hence tubes are the correct answer.

Main limitation - problems caused by increased 8_________ in deeper water

Answer: pressure
Explanation: The woman states that simple gills don’t work as the diver descends. This is because the pressure builds a different set of problems.

Other applications

Supplying oxygen for use on 9_________

Answer: submarines
Explanation: The woman states enabling an individual to stay underwater for a longer period of time. Modern technology invented submarines. Hence, submarines are the correct answer.