A request from your boss Task 1 Match the beginnings and endings of the phrases


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Bog'liq
A1-C1 listening book

Transcript
In today’s lecture _______going to be talking about experiments, and I ______________might be interesting for you all to learn _______the world’s oldest continuously running laboratory _______that is still going today. In fact, it _______the Guinness World Record for being the longest-_______experiment. This experiment _______in 1927 and has been going ever _______.
It’s called the ‘_______drop’ experiment and it was created by Professor _______Parnell at the University of Queensland, _______. Parnell was the university’s first physics _______, and he wanted to show in this experiment _______everyday materials, such as pitch, can have quite _______properties.
You see, when _______is at room temperature, it feels solid. You can _______break it with a hammer. However, it _______in fact solid. At room temperature, pitch is many _______of times more viscous than water, but it’s _______fluid.
In 1927, _______Parnell took a sample of pitch. He heated it and _______it into a glass funnel. He allowed the _______to cool and settle – for three years. He then turned ______________upside down and cut the top _______it.
Since _______, the pitch has slowly dropped out of the funnel. How slowly? _______, the first drop took eight years to _______. It _______another forty years for another five drops to fall. _______it’s been almost 90 years since the _______started. Only nine drops have fallen from the funnel. ______________drop fell in April 2014 and the _______one is expected to fall in the 2020s.
The _______has a tragic story associated with it. Professor Parnell died _______seeing a pitch drop. His _______, _______John Mainstone, became responsible for the pitch _______experiment from 1961. He _______the job for 52 years, and missed seeing the drop fall _______times _______by a day in 1977, by just _______minutes in 1988 and finally in 2000, when the _______that was recording the experiment _______a power outage for 20 minutes, during which _______the pitch dropped.
The pitch _______experiment is something we can all participate in _______. There’s a live web stream that allows _______to watch the glass funnel and wait for the fateful _______. A similar experiment to the Queensland _______drop was set up in Dublin, and the video of the _______the pitch actually dropped went viral on ______________. It’s interesting to see how a very slow _______can spread news so quickly.

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