Listen to this ted talk by Raymond Wang, a 17 year old student and inventor. As you listen, answer the IELTS-style questions.

(This is an advanced listening exercise and is actually more difficult than IELTS because the speaker speaks quickly. If you catch 50% of the answers, you are doing well! The answers are below.
Note that when you have finished the exercise you can view it on Youtube  and if you scroll down a little on the Youtube page and click ‘interactive script,’  you can read while you listen again. )

Fill each space with NO MORE THAN THREE WORDS AND / OR A NUMBER.

How Germs Travel on Planes & How We Can Stop Them

CURRENT SITUATION

• Three billion people travel by plane each year.
• Raymond became interested during the Ebola outbreak.
• One person with H1N1 spread disease to 17 people.
• One person with SARS spread disease to 22 people.
• Air is circulated via inlets and outlets in the main cabin.
• (1) _______________ percent of pathogens are eliminated near outlets.
• One person sneezes and the sneeze is swirled around multiple times

COMPUTER SIMULATIONS

• 2D drawings were put into 3D modelling software
• computer told where the air goes in and out of the cabin
• a bunch of (2) _______________ is thrown in
• calculations made

SOLUTION

• Raymond conducted more than 32 different simulations and created a (3) _______________.
• The new device reduces pathogen transmission by (4) _______________ times and increase fresh air inhalation.
• The device is easy to install with just a couple of (5) _______________.
• The system works effectively regardless of whether the middle, window or (6) _______________ seat passenger sneezes.

COSTS OF DISEASE 

• SARS cost the world (7) $_______________.
• A future disease could cost the world more than $3 trillion.

FUTURE OF THE INVENTION

• Could be installed overnight, but first it needs to go through certification,
• (8)_______________ and various regulatory processes.

ADDITIONAL COMMENTS

• Sometimes the best solutions are the (9) _______________.
• This solution couldn’t have occurred two years ago because it wouldn’t have been supported by available technology.
• Now is the golden era for (10) _______________ .

ANSWERS

1. 99.7 (if you included the % sign or the word ‘percent,’ your answer is wrong because that information has already been provided.)
2. physics
3. solutions / global inlet director (both answers are correct, but if you wrote them both, your answer is wrong, because you have too many words)
4. 55 (this one was hard to catch because you were probably still thinking about the previous one)
5. screws
6. aisle (if you wrote ‘aisle seat,’ it is wrong because the word ‘seat’ has already been provided.
7. 40 billion (if you wrote’dollars’ it is wrong because the $ symbol has already been provided
8. flight testing
9. simplest
10. innovation

NOTE:
If you have an incorrect spelling, your answer is wrong.
If you have a different word with the same meaning, the answer is wrong. You must write the words you hear.