In today’s lesson, we are going to look at the topic of gardens, which relates to the IELTS topic of plants and flowers. I would like to show you a TED talk by Britta Riley, who developed a system for growing plants in a confined space.
This lesson is going to focus on listening practice. There is a lot of difficult vocabulary in this TED talk but you do not need to understand all of it to get these questions right. You should focus on finding the answers rather than understanding everything.
First of all, we will look at some useful words and phrases from the video.
Word/Phrase | Meaning |
open-source | (adjective) software for which the original source code is made freely available and may be redistributed and modified |
hydroponics | (noun) the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil |
climate control | (noun) another term for air conditioning – or, more generally, for controlling the climate of a room |
periodically | (adverb) from time to time; occasionally |
microclimate | the climate of a very small or restricted area, especially when this differs from the climate of the surrounding area |
intellectual property | intangible property that is the result of creativity, such as patents, copyrights, etc. |
carbon footprint | the amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community |
First of all, here is our video for today:
First of all, watch or listen to the video and answer the following questions to check your understanding:
(You can find the answers at the bottom of the page.)
Let’s listen again and try some true or false questions. These will come from the first two minutes of the recording.
Now you should listen from 04:28 and try to fill in the blank spaces with NO MORE THAN THREE WORDS.
So, for example, Jackson came along and suggested that we use air pumps instead of ____1____. It took building a whole bunch of systems to get it right, but once we did, we were able to cut our ____2_____ nearly in half. Tony in Chicago has been taking on growing experiments, like lots of other _____3_____, and he’s been able to get his strawberries to fruit for nine months of the year in low-light conditions by simply changing out the organic nutrients. And window farmers in Finland have been customizing their window farms for the _____4_____ of the Finnish winters by outfitting them with LED grow lights that they’re now making ____5____ and part of the project.
So window farms have been evolving through a rapid versioning process similar to _____6_____. And with every open source project, ______7______ is the interplay between the specific concerns of people customizing their systems for their own particular concerns, and the universal concerns. So my core team and I are able to concentrate on _____8_____ that really benefit everyone. And we’re able to look out for the needs of newcomers.
General Comprehension
True/False
Fill in the Blanks
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thanks a lot